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Tanza
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Tanza, officially the Municipality of Tanza (Tagalog: Bayan ng Tanza), is a municipality in the province of Cavite, Philippines. According to the 2024 census, it has a population of 339,308 people.[5] It has a land area of 95.59 square kilometers (36.91 sq mi), making it the third largest municipality by land area in the province.
Key Information
Tanza was awarded the "Seal of Good Financial Housekeeping" in 2011, 2012, 2018, 2019, and 2021 and the "Seal of Good Local Governance" in 2016 by the Department of the Interior and Local Government. The municipality was named 2014 most competitive in economic dynamism by the National Competitiveness Council, eighth most populous municipality (2015 NSO Census), and 15th largest Municipality Revenue Earner based on the 2016 Bureau of Local Government Finance Financial Report.[citation needed]
Tanza is the place where Emilio Aguinaldo was sworn in as the president of the revolutionary government of the Philippines, in front of the ancient Santa Cruz or Holy Cross (the titular of Tanza's main Catholic parish). Other officials elected at Tejeros Convention elections, including Mariano Trias as vice president, also took their oath with Aguinaldo. Also, Tanza was the birthplace of Felipe G. Calderon, the person who drafted the Malolos Constitution.
Tanza is the home of Cavite Gateway Terminal, the first roll-on, roll-off barge terminal in the Philippines.[6]
History
[edit]Tanza was formerly a strip of land incorporated for official purpose to the municipality of San Francisco de Malabon, now called General Trias. The first settlers were the Fabian brothers who migrated here. This place was particularly devoted to grazing and was called Estancia Santa Cruz de Malabon (1780).
In the mid-19th century, the Secularization movement that was largely centered in Santa Cruz de Malabón led by Pedro Pelaez.
On October 15, 1903, the Philippine Commission approved Act No. 947, annexing Santa Cruz de Malabon to the adjacent town of San Francisco de Malabon.[7] In 1909, a resolution was passed by the San Francisco de Malabon municipal council to reconvert Santa Cruz de Malabon into a separate and independent municipality; it took effect in 1910.[8]
In 1914, Florentino Joya, the then-representative of Cavite to the Philippine Assembly, worked for the passage of a bill which renamed the town of Santa Cruz de Malabon to Tanza by virtue of Philippine Legislative Act No. 2390 dated February 28, 1914.[9]
Tanza celebrated Araw ng Tanza 100th anniversary with a theme "Tanza, Sandaang Taon Na!" February 28, 2014, with a parade of Higante figures across the town proper with fireworks display and a Lantern festival at evening.
Geography
[edit]Tanza is among of the 23 cities and municipalities that comprise Cavite. It is located in the northwestern part of Cavite lying within latitudes 140° 24’ north and longitude 120° 51’ east. It is bounded by Rosario to the North; General Trias to the east; Trece Martires and Naic to the south; and Manila Bay on the west. Tanza is 23 kilometres (14 mi) from Imus and 33 kilometres (21 mi) from Manila.
Barangays
[edit]Tanza is politically subdivided into 41 barangays, as indicated below. [10] Each barangay consists of puroks and some have sitios.
- Amaya 1
- Amaya 2
- Amaya 3
- Amaya 4
- Amaya 5
- Amaya 6
- Amaya 7
- Bagtas
- Biga
- Biwas
- Bucal
- Bunga
- Calibuyo
- Capipisa
- Daang Amaya 1
- Daang Amaya 2
- Daang Amaya 3
- Halayhay
- Julugan 1
- Julugan 2
- Julugan 3
- Julugan 4
- Julugan 5
- Julugan 6
- Julugan 7
- Julugan 8
- Lambingan
- Mulawin
- Paradahan 1
- Paradahan 2
- Poblacion 1
- Poblacion 2
- Poblacion 3
- Poblacion 4
- Punta 1
- Punta 2
- Sahud Ulan
- Sanja Mayor
- Santol
- Tanauan
- Tres Cruses
Climate
[edit]| Climate data for Tanza, Cavite | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 29 (84) |
30 (86) |
32 (90) |
34 (93) |
32 (90) |
31 (88) |
29 (84) |
29 (84) |
29 (84) |
30 (86) |
30 (86) |
29 (84) |
30 (87) |
| Mean daily minimum °C (°F) | 21 (70) |
20 (68) |
21 (70) |
22 (72) |
24 (75) |
25 (77) |
24 (75) |
24 (75) |
24 (75) |
23 (73) |
22 (72) |
21 (70) |
23 (73) |
| Average precipitation mm (inches) | 10 (0.4) |
10 (0.4) |
12 (0.5) |
27 (1.1) |
94 (3.7) |
153 (6.0) |
206 (8.1) |
190 (7.5) |
179 (7.0) |
120 (4.7) |
54 (2.1) |
39 (1.5) |
1,094 (43) |
| Average rainy days | 5.2 | 4.5 | 6.4 | 9.2 | 19.7 | 24.3 | 26.9 | 25.7 | 24.4 | 21.0 | 12.9 | 9.1 | 189.3 |
| Source: Meteoblue[11] | |||||||||||||
Demographics
[edit]| Year | Pop. | ±% p.a. |
|---|---|---|
| 1903 | 8,792 | — |
| 1918 | 9,464 | +0.49% |
| 1939 | 16,328 | +2.63% |
| 1948 | 18,183 | +1.20% |
| 1960 | 24,256 | +2.43% |
| 1970 | 32,691 | +3.03% |
| 1975 | 37,353 | +2.71% |
| 1980 | 43,675 | +3.18% |
| 1990 | 61,785 | +3.53% |
| 1995 | 77,839 | +4.42% |
| 2000 | 110,517 | +7.80% |
| 2007 | 171,795 | +6.27% |
| 2010 | 188,755 | +3.49% |
| 2015 | 226,188 | +3.51% |
| 2020 | 312,116 | +7.01% |
| 2024 | 339,308 | +2.03% |
| Source: Philippine Statistics Authority[12][13][14][15][16] | ||
In the 2020 census, the population of Tanza, Cavite, was 312,116 people,[17] with a density of 3,300 inhabitants per square kilometer or 8,500 inhabitants per square mile.
Religion
[edit]
Christianity
[edit]The majority of the people of Tanza are Roman Catholic under the jurisdiction of the Diocese of Imus, but there has been fast growth of Protestant and other non-Catholic denominations in the town, including Iglesia ni Cristo, Baptist, Seventh-day Adventist, Jehovah's Witnesses, Members Church of God International, and the Church of Jesus Christ of Latter-day Saints.
Islam
[edit]With the influx of migrants from other provinces especially from Mindanao, other non-Christian faiths particularly Islam are practiced in the town.
Other faiths
[edit]Non-Abrahamic faiths include native-Tagalog Anitism, Animism, and within the local Indian and Chinese communities Hinduism, Buddhism, Taoism and Confucianism are followed.
Languages
[edit]The main languages spoken are Tagalog, and English. A large number of people from farther provinces have migrated to Tanza, resulting in minor but significant usage of the Bicolano, Cebuano, Ilocano, Hiligaynon and Waray languages.
Economy
[edit]Poverty incidence
[edit]Poverty incidence of Tanza
2.5
5
7.5
10
12.5
15
2000
9.54 2003
7.21 2006
8.30 2009
5.44 2012
6.83 2015
9.00 2018
5.24 2021
11.85 Source: Philippine Statistics Authority[18][19][20][21][22][23][24][25] |
Retail and business process outsourcing
[edit]

Large retail operators have shown significant interest to the growth and increase of land value in cities throughout the Philippines. They are seen as highly developed urban centers where a lot of economic activities take place and is important to urbanization and development. Tanza is eyed as a center of exponential growth for commerce, industry and service, strengthening its stature as one of the fastest growing municipalities in Cavite province.
SM Supermalls, a subsidiary of SM Prime, the largest mall operator in the country, since 2014 is negotiating with other landowners nearby Antero Soriano Highway in Barangay Daang Amaya 2 on their plan to build a new SM Mall in the town. SM City Tanza was opened in October 2022 as their 80th mall in the country.[26]
Municipal income
[edit]- 2009: Php.212,579,603.00
- 2010: Php.218,498,618.00
- 2011: Php.256,163,447.00
- 2012: Php.259,927,915.00
- 2013: Php.307,370,004.00
- 2014: Php.369,906,390.54
- 2015: Php.386,511,600.00
- 2016: Php.445,060,000.00
- 2020: Php.681,067,582.14
- 2021: Php.732,139,371.42
Government
[edit]Elected officials
[edit]The following are the elected officials of the town elected last May 12, 2025 which serves until June 30, 2028:
Municipal Government of Tanza (2022–2025):
- Representative (7th District): Crispin Diego Remulla (NUP)
- Mayor: Archangelo B. Matro (NUP)
- Vice Mayor: Raymundo A. Del Rosario (Aksyon)
- Sangguniang Bayan members:
- Myron S. Ner
- Concepcion Jocelyn D. Pangan
- Joselito P. Arca
- Antonio A. Del Rosario Jr.
- Niño Federico B. Matro
- Sheryl Lyn Langit-Gervacio
- Alexis B. Dones
- Ryan G. Mintu
List of former municipal heads
[edit]Gobernadorcillos:
- Jose Cristobal (1870)
- Ignacio Fabian (1892)
Capitan Municipal:
- Jose del Rosario (1896)
- Francisco Valencia (1896)
- Eladio Bocalan (1896)
- Jacinto Pulido (1898)
- Ciriaco Montano (1898)
Presidente Municipal:
- Jacinto Pulido (1900)
- Eladio Bocalan (1900)
- Ciriaco Montano (1901)
- Jose del Rosario (1901)
- Hugo C. Arca (1905-1909)
- Pio A. Fojas (1910-1912)
- Pedro T. Montano (1912-1916)
- Marcus F. Figueroa (1916-1919
- Anselmo Vargas (1919)
- Cecilio N. Joya (1919-1925)
- Jose S. Sosa (1925-1928)
- Marcus F. Figueroa (1928-1934)
Municipal Mayor:
- Ladislao Joya (1934-1937)
- Jose S. Soriano (1937-1940)
- Hermogenes T. Arayata Sr. (1941-1942)
- Jose S. Soriano (1942-1943)
- Ramon del Rosario (1943-1944)
- Hermogenes T. Arayata Sr. (1945-1946)
- Rafael D. Alarca (1946-1947)
- Eustaquio Arayata (1947)
- Hermogenes T. Arayata Sr. (1948-1959)
- Hermogenes T. Pacumio (1960-1968)
- Timoteo Bocalan Sr. (1969-1978)
- Hermogenes F. Arayata Jr. (1978-1986)
- Roberto Colmenar (1986-1988)
- Hermogenes F. Arayata Jr. (1988-1998)
- Raymundo A. Del Rosario (1998-2007)
- Marcus Ashley C. Arayata (2007-2016)
- Yuri A. Pacumio (2016-2025)
- Archangelo B. Matro (2025—present)
Education
[edit]The Tanza Schools District Office governs all educational institutions within the municipality. It oversees the management and operations of all private and public, from primary to secondary schools.[27]
There are 32 government-owned daycare centers in Tanza, which is being managed by the MSWD.
Primary and elementary schools
[edit]
- Alonzo's Learning Center
- Amaya Elementary School
- Apostle's Creed learning school (ACLS)
- Bagtas Elementary School
- Bienvenido R. Fojas Memorial Elementary School
- Bea-Therese School
- Bunga Elementary School
- Capipisa Elementary School
- Carissa Grace Mission School
- Carissa Homes PS
- CALA Institute of the Philippines, Inc.
- Chanceteam Christian Academy Inc.
- Cuddlers Christian Academy
- Dawn Kiddie School of Cavite
- De Roman Montessori School (DRMS)
- Dei Gratia School, Inc. (DGSI)
- Del Carmen School
- Deo Roma College of Tanza
- Don Crispin Yumol Elementary School (Punta Elementary Elementary School)
- Dona Perpetua A. Yumol (Bagtas PS)
- Felipe G. Calderon Elementary School (Tanza Elementary School/Central)
- Florentino Joya Elementary School
- Francisco Lopez Mariano Academy
- G. Fabillar Learning Center
- Good Tree International School (GTIS)
- Gregorio B. Fojas Memorial School (Calibuyo Elementary School)
- Halayhay Elementary School
- Holy Nazarene Christian School
- Holy Trinity School of Tanza
- Inigo de Loyola Academy
- Julugan Elementary School
- Little Footprints to Jesus School
- Little Minds Development Center
- Lycee D' Tanza Inc.
- Maddalena Starace School
- New Life Child Development Center (NLCDC)
- Our Lady of the Holy Rosary School (OLHRS)
- Paradahan Elementary School
- Pedro M. Gimenez Academe
- Hillcrest Periwinkle Montessori School
- Sahud Ulan PS (Halayhay Annex)
- Saint Augustine School
- Saint Mary of the Woods Academy
- Saint Thomas More Academy
- Sanja Mayor Elementary School
- Santol Elementary School
- Maximino V. Pangilinan Elementary School)
- Sawyer Integrated School
- Santa Cruz (Bucal) Elementary School
- Santo Niño de Lebelle Academy
- Tanza Child Development Centre (TCDC)
- The International School for Children (TISC)
- Tres Cruses Elementary School
High schools
[edit]

- Punta National High School (PNHS)
- Saint Augustine School (Junior and Senior High Campus)
- Tanza National Comprehensive Highschool (TNCHS)
- Tanza Senior High School (TSHS)
- Amaya School of Home and Industries (ASHI)
- Tanza National Trade School - Main (TNTS-Main)
- Tanza National Trade School - Annex (TNTS-Annex)
- Our Lady of the Holy Rosary School (OLHRS)
- Tanza Child Development Centre (TCDC)
- Hillcrest Periwinkle Montessori School (HPMS)
- Holy Nazarene Christian School (HNCS)
- De Roman Montessori School (DRMS)
- CALA Institute of the Philippines, Inc.
- Dei Gratia School, Inc. (DGSI)
- Deo Roma College of Tanza (DRCT)
- Maddalena Starace School (MSS)
- Good Tree International School (GTIS)
- Sawyer Integrated School (SIS)
- The International School for Children (TISC)
- Far East Asia Pacific Institute of Tourism Science and Technology (FEAPITSAT)
Higher educational institutions
[edit]- Cavite State University - Tanza Campus
- Far East Asia Pacific Institute of Tourism Science and Technology (FEAPITSAT-main)
- POWER School of Technology
- Saint Joseph College - Tanza
- PNTC Colleges Multi-Training Facility
- Magsaysay Training Center
Notable personalities
[edit]- Jesus Crispin Remulla — Ombudsmann
- Juanito Victor Remulla — DILG Secretary; Cavite Governor
- Lyca Gairanod – The Voice Kids Philippines grand champion
- Felipe Calderón – National hero; Father of the Malolos Constitution.
- Epimaco Velasco – DILG Secretary; Cavite governor
- Justiniano S. Montano – Senator; creator of Senate Blue Ribbon Committee
- Antero Soriano – Cavite governor; senator
- Mars Ravelo – graphic novelist
- Jasmine Trias – American Idol (3rd runner-up)
- Louise delos Reyes – actress and model
- Josefino Cenizal – composer, most notably Ang Pasko ay Sumapit
- Olivia Cenizal – actress
- Ranidel de Ocampo – basketball player
- Yancy de Ocampo – basketball player
- Aleona Denise Santiago – volleyball player
- Jaja Santiago - volleyball player
- Mikey Bustos - Filipino-Canadian vlogger
See also
[edit]References
[edit]- ^ Municipality of Tanza | (DILG)
- ^ "2015 Census of Population, Report No. 3 – Population, Land Area, and Population Density" (PDF). Philippine Statistics Authority. Quezon City, Philippines. August 2016. ISSN 0117-1453. Archived (PDF) from the original on May 25, 2021. Retrieved July 16, 2021.
- ^ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
- ^ "PSA Releases the 2021 City and Municipal Level Poverty Estimates". Philippine Statistics Authority. 2 April 2024. Retrieved 28 April 2024.
- ^ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
- ^ "Cavite Gateway Terminal opens on Thursday". Philippine News Agency. 19 November 2018.
- ^ Act No. 947 (October 15, 1903), An Act Reducing the Twenty-Three Municipalities of the Province of Cavite to Eleven, archived from the original on October 1, 2023, retrieved June 17, 2023
- ^ "History". Tanza. Retrieved June 17, 2023.
- ^ Act No. 2390 (February 28, 1914), An Act Changing the names of the municipalities of Santo Niño and Mawanan, Province of Cagayan; San Isidro Labrador and San Isidro de Potot, Province of Pangasinan; San Francisco de Malabon and Santa Cruz de Malabon, Province of Cavite; Nagpartian and San Miguel, Province of Ilocos Norte; Langaran, Province of Misamis; San Pedro Tunasan, Province of Laguna; Cabagan Nuevo, Province of Isabela; Nueva Caceres, Province of Ambos Camarines; San Pedro Macati, Province of Rizal; San Juan de Bocboc, Province of Batangas; San Juan, Province of Nueva Ecija; township of Barrit - Luluno, Province of Ilocos Sur, and of the Barrios of Tublijon and Gibigaan, Municipality of Sorsogon, Province of Sorsogon., retrieved July 18, 2022
- ^ "Province:". PSGC Interactive. Quezon City, Philippines: Philippine Statistics Authority. Retrieved 25 August 2025.
- ^ "Tanza: Average Temperatures and Rainfall". Meteoblue. Retrieved May 12, 2020.
- ^ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
- ^ Census of Population (2015). "Region IV-A (Calabarzon)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved 20 June 2016.
- ^ Census of Population and Housing (2010). "Region IV-A (Calabarzon)" (PDF). Total Population by Province, City, Municipality and Barangay. National Statistics Office. Retrieved 29 June 2016.
- ^ Censuses of Population (1903–2007). "Region IV-A (Calabarzon)". Table 1. Population Enumerated in Various Censuses by Province/Highly Urbanized City: 1903 to 2007. National Statistics Office.
- ^ "Province of". Municipality Population Data. Local Water Utilities Administration Research Division. Retrieved 17 December 2016.
- ^ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
- ^ "Poverty incidence (PI):". Philippine Statistics Authority. Retrieved December 28, 2020.
- ^ "Estimation of Local Poverty in the Philippines" (PDF). Philippine Statistics Authority. 29 November 2005.
- ^ "2003 City and Municipal Level Poverty Estimates" (PDF). Philippine Statistics Authority. 23 March 2009.
- ^ "City and Municipal Level Poverty Estimates; 2006 and 2009" (PDF). Philippine Statistics Authority. 3 August 2012.
- ^ "2012 Municipal and City Level Poverty Estimates" (PDF). Philippine Statistics Authority. 31 May 2016.
- ^ "Municipal and City Level Small Area Poverty Estimates; 2009, 2012 and 2015". Philippine Statistics Authority. 10 July 2019.
- ^ "PSA Releases the 2018 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 15 December 2021. Retrieved 22 January 2022.
- ^ "PSA Releases the 2021 City and Municipal Level Poverty Estimates". Philippine Statistics Authority. 2 April 2024. Retrieved 28 April 2024.
- ^ Neil (October 13, 2022). "SM Prime Holdings to open seventh SM Mall in Cavite as economy improves". BusinessWorld Online. Retrieved October 13, 2022.
- ^ "Masterlist of Schools" (PDF). Department of Education. January 15, 2021. Retrieved October 7, 2025.
External links
[edit]Tanza
View on GrokipediaHistory
Colonial origins and early settlement
The area comprising modern Tanza originated during the Spanish colonial era as Estancia Santa Cruz de Malabon, a hacienda primarily dedicated to livestock grazing and agricultural production, including wet-rice cultivation reliant on local water resources.[6] This settlement emerged in the mid-18th century as part of the broader municipality of San Francisco de Malabon (now General Trias), with records indicating its organization as a distinct community by 1752 and formal recognition as an estancia around 1760–1770.[7] Friars constructed a residence and granary in the area during this period, supporting its role as a ranch under Spanish land management practices.[7] A pivotal development occurred on August 29, 1780, when the Parish of Our Lady of the Holy Cross and Saint Augustine was established as an independent ecclesiastical jurisdiction, previously a visita of the San Francisco de Malabon parish.[8] This canonical erection, dedicated to Saint Augustine of Hippo, spurred population growth and infrastructure, including the initial church construction that faced challenges such as earthquakes.[8] The veneration of a revered image of Saint Augustine, believed to date to the 18th century and associated with miraculous events from the 1790s onward, further anchored community identity and devotion.[6] Early settlement patterns reflected Spanish colonial agrarian structures, with the estancia functioning as a self-sustaining outpost amid Cavite's strategic defenses against Manila Bay threats.[9] By the early 19th century, social and economic life centered on farming and hacienda operations, though the area remained subordinate to neighboring towns until later administrative separations in the American period.[6] The persistence of these colonial foundations underscores Tanza's evolution from a peripheral ranch to a formalized settlement under ecclesiastical and civil oversight.Role in the Philippine Revolution
During the Philippine Revolution against Spanish colonial rule, Tanza, then known as Santa Cruz de Malabon, served as the site for the formal inauguration of the revolutionary government's leadership. Following the Tejeros Convention on March 22, 1897, in nearby Tejeros, Emilio Aguinaldo was elected president of the revolutionary forces, with Mariano Trias as vice president and other key positions filled by members of the Magdalo and Magdiwang councils of the Katipunan.[10] On March 23, 1897, at approximately 8:00 p.m., Aguinaldo and the other elected officials took their oaths of office in the hall of the convent in Santa Cruz de Malabon, thereby effecting the organization of the first revolutionary government.[10][11] This event solidified Aguinaldo's leadership amid ongoing conflicts, including his recent victories at the Battle of Pasong Santol, and marked a critical step toward establishing a structured revolutionary authority separate from Andres Bonifacio's initial Katipunan structure.[12] The inauguration in Tanza underscored the municipality's strategic importance in Cavite, a province central to the revolution's early successes, such as the seizures of key towns in 1896 and the formation of revolutionary assemblies.[11] No major battles are recorded specifically in Tanza, but its role as the venue for this governmental transition highlighted its position within the revolutionary network in Cavite, contributing to the momentum that led to further declarations of independence in 1898.[10]Modern development and urbanization
Tanza has experienced rapid urbanization in recent decades, shifting from an agriculture-dominated economy to one centered on industry, commerce, and residential development. This transformation is largely attributed to the availability of low-cost housing lots and large-scale housing projects, which have attracted migrants from Metro Manila and fueled population growth.[1] The municipality's population reached 312,116 as of the 2020 census, representing 7.18% of Cavite's total and indicating a density of over 3,200 persons per square kilometer, a marked increase driven by urban expansion.[13] Infrastructure improvements have accelerated this urbanization. The completion of key segments of the Cavite-Laguna Expressway (CALAX) has reduced traffic congestion and enhanced connectivity to Manila, supporting industrial and residential inflows.[14] Additionally, a 40-hectare ecozone in Tanza, established via Executive Order, is projected to generate nearly 200 jobs and attract over ₱1.8 billion in investments, further promoting industrial clustering.[15] Industrial property rental rates in the area rose 14% between 2022 and 2023, reflecting heightened demand amid economic dynamism.[15] Commercial and retail growth underscores Tanza's urban maturation, with developments like SM City Tanza exemplifying the influx of modern retail infrastructure. The municipality now meets several criteria for cityhood, including income and population thresholds, signaling its evolution into a burgeoning urban center.[16] This urbanization has positioned Tanza as an industrial powerhouse in Cavite, featuring facilities such as the Cavite Gateway Terminal, the Philippines' first private container terminal, which has diversified its economic base beyond agriculture.[5]Geography
Physical features and location
Tanza occupies the northern section of Cavite province in the Calabarzon region (Region IV-A) of Luzon, Philippines, approximately 25 kilometers southwest of Manila. Its central geographic coordinates are 14°24′N 120°51′E. The municipality spans a land area of 96.30 square kilometers, representing about 6% of Cavite's total provincial area.[1] [13] Bounded by Manila Bay to the north, the municipality of Rosario to the west, General Trias to the east, and Naic to the south, Tanza features a coastal shoreline along the bay, supporting maritime activities and exposing parts of the area to tidal influences.[13] The physical terrain is dominated by flat coastal and alluvial plains typical of Cavite's lowland physiographic zone, with ground elevations generally ranging from 0 to 30 meters above sea level and an average of about 10 meters. This low-relief landscape, composed of sedimentary deposits including marl and conglomerates, promotes ease of development but also vulnerability to flooding and sea-level rise.[17] [18]Administrative divisions
Tanza is politically subdivided into 41 barangays, which function as the basic administrative units responsible for local governance, community services, and development initiatives within the municipality.[1][13] These divisions encompass both urbanized coastal areas, such as those along Manila Bay, and inland rural zones supporting agriculture and emerging industrial zones.[13] The barangays, listed as per official demographic profiles, are:- Amaya I
- Amaya II
- Amaya III
- Amaya IV
- Amaya V
- Amaya VI
- Amaya VII
- Bagtas
- Barangay I (Poblacion)
- Barangay II (Poblacion)
- Barangay III (Poblacion)
- Barangay IV (Poblacion)
- Biga
- Biwas
- Bucal
- Bunga
- Calibuyo
- Capipisa
- Daang Amaya I
- Daang Amaya II
- Daang Amaya III
- Halayhay
- Julugan I
- Julugan II
- Julugan III
- Julugan IV
- Julugan V
- Julugan VI
- Julugan VII
- Julugan VIII
- Lambingan
- Mulawin
- Paradahan I
- Paradahan II
- Punta I
- Punta II
- Sahud Ulan
- Sanja Mayor
- Santol
- Tanauan
- Tres Cruces
Climate and environmental conditions
Tanza experiences a tropical monsoon climate (Köppen classification Am), characterized by high temperatures, high humidity, and distinct wet and dry seasons influenced by the southwest monsoon (habagat) and trade winds.[19] Average annual temperatures range from a low of about 24°C (75°F) to highs exceeding 33°C (92°F), with the hottest months occurring from April to May, when daytime highs often reach 33–34°C and nighttime lows around 25–27°C.[19] [20] The coolest period spans December to February, with average highs of 28–30°C and lows dipping to 23°C, though temperatures rarely fall below 22°C year-round.[21] Precipitation is heavily seasonal, with the wet season from June to November delivering the majority of annual rainfall, totaling approximately 2,000–2,500 mm across Cavite province, including Tanza.[22] August typically sees the peak, with averages of 370 mm (14.6 inches), driven by frequent thunderstorms and typhoons, while the dry season from December to May brings minimal rain, often under 50 mm per month.[19] Relative humidity remains consistently high at 75–85%, contributing to muggy conditions, and wind speeds average 5–15 km/h, with stronger gusts during storms.[19] Environmentally, Tanza's coastal location in Manila Bay exposes it to hazards like flooding, storm surges, and coastal erosion, exacerbated by rapid urbanization and land reclamation.[23] [24] Inland and riverine flooding occurs frequently during intensified monsoons, affecting thousands; for instance, in July 2025, over 25,000 residents in Cavite, including Tanza, were impacted by severe weather-induced floods.[25] Water pollution from industrial discharges and recent incidents, such as the July 2024 oil spill from a capsized tanker affecting Tanza's Amaya waters, has degraded marine ecosystems and fisherfolk livelihoods.[26] Provincial efforts focus on marine debris reduction and water quality monitoring, but ongoing land-based pollution contributes to Manila Bay's degradation.[27] [28] Urban flood risk is rated medium, with non-weather-related inland flooding linked to poor drainage in developed areas.[29]Demographics
Population dynamics and growth
The population of Tanza, Cavite, has exhibited rapid expansion, consistent with provincial trends in suburbanization and economic migration from Metro Manila. According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority (PSA), Tanza recorded 312,116 residents, up from 226,188 in the 2015 census.[13] This represented an increase of 85,928 individuals over five years, yielding an annualized growth rate of 7.01%.[13] Earlier decadal data from the PSA shows further acceleration from prior baselines. The 2010 census enumerated 171,795 persons, a rise to 226,188 by 2015 that equated to 54,393 additional residents and an annualized growth rate of 3.50%.[13] By 2000, the population stood at 110,517, underscoring a pattern of sustained doubling roughly every decade amid broader Cavite provincial growth exceeding national averages.[30] This demographic surge is primarily propelled by net in-migration, fueled by Tanza's integration into Cavite's industrial zones and proximity to employment hubs in nearby cities like Dasmariñas and Manila.[31] Urbanization has converted agricultural lands into residential and commercial developments, attracting workers to sectors such as manufacturing and logistics, while natural increase from higher fertility rates contributes marginally compared to migratory inflows.[32] Population density reached approximately 4,187 persons per square kilometer by 2020, straining infrastructure but aligning with Tanza's transition from rural municipality to urbanizing center.[33]| Census Year | Population | Change from Prior Census | Annualized Growth Rate |
|---|---|---|---|
| 2010 | 171,795 | - | - |
| 2015 | 226,188 | +54,393 | 3.50% |
| 2020 | 312,116 | +85,928 | 7.01% |
