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Jefferson County, Iowa
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Jefferson County, Iowa
Jefferson County is a county located in the U.S. state of Iowa. As of the 2020 United States census, the population was 15,663. The county seat is Fairfield. The county was formed in January 1839, and was named for U.S. President Thomas Jefferson. Jefferson County comprises the Fairfield, IA Micropolitan Statistical Area.
According to the US Census Bureau, the county has a total area of 437 square miles (1,130 km2), of which 436 square miles (1,130 km2) is land and 1.4 square miles (3.6 km2) (0.3%) is water. The Skunk River flows southward through the NE part of the county, while the SW part of the county is drained by the nearby Des Moines River, which flows southeastward through Van Buren and Wapello counties.
The 2020 census recorded a population of 15,663 in the county, with a population density of 35.9000/sq mi (13.8611/km2). There were 7,689 housing units, of which 6,902 were occupied.
The 2010 census recorded a population of 16,843 in the county, with a population density of 38.6893/sq mi (14.9380/km2). There were 7,594 housing units, of which 6,846 were occupied.
As of the 2000 United States census, there were 16,181 people, 6,649 households, and 4,281 families in the county. The population density was 37 inhabitants per square mile (14/km2). There were 7,241 housing units at an average density of 17 per square mile (6.6/km2). The racial makeup of the county was 96.02% White, 0.64% Black or African American, 0.17% Native American, 1.70% Asian, 0.04% Pacific Islander, 0.53% from other races, and 0.91% from two or more races. 1.84% of the population were Hispanic or Latino of any race.
There were 6,649 households, out of which 31.10% had children under the age of 18 living with them, 53.10% were married couples living together, 8.00% had a female householder with no husband present, and 35.60% were non-families. 30.40% of all households were made up of individuals, and 10.70% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.93.
The county population contained 24.40% under the age of 18, 7.60% from 18 to 24, 24.40% from 25 to 44, 29.80% from 45 to 64, and 13.80% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 95.90 males. For every 100 females age 18 and over, there were 93.60 males.
The median income for a household in the county was $33,851, and the median income for a family was $43,819. Males had a median income of $32,066 versus $22,479 for females. The per capita income for the county was $19,579. About 7.40% of families and 10.90% of the population were below the poverty line, including 12.40% of those under age 18 and 9.00% of those age 65 or over.
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Jefferson County, Iowa
Jefferson County is a county located in the U.S. state of Iowa. As of the 2020 United States census, the population was 15,663. The county seat is Fairfield. The county was formed in January 1839, and was named for U.S. President Thomas Jefferson. Jefferson County comprises the Fairfield, IA Micropolitan Statistical Area.
According to the US Census Bureau, the county has a total area of 437 square miles (1,130 km2), of which 436 square miles (1,130 km2) is land and 1.4 square miles (3.6 km2) (0.3%) is water. The Skunk River flows southward through the NE part of the county, while the SW part of the county is drained by the nearby Des Moines River, which flows southeastward through Van Buren and Wapello counties.
The 2020 census recorded a population of 15,663 in the county, with a population density of 35.9000/sq mi (13.8611/km2). There were 7,689 housing units, of which 6,902 were occupied.
The 2010 census recorded a population of 16,843 in the county, with a population density of 38.6893/sq mi (14.9380/km2). There were 7,594 housing units, of which 6,846 were occupied.
As of the 2000 United States census, there were 16,181 people, 6,649 households, and 4,281 families in the county. The population density was 37 inhabitants per square mile (14/km2). There were 7,241 housing units at an average density of 17 per square mile (6.6/km2). The racial makeup of the county was 96.02% White, 0.64% Black or African American, 0.17% Native American, 1.70% Asian, 0.04% Pacific Islander, 0.53% from other races, and 0.91% from two or more races. 1.84% of the population were Hispanic or Latino of any race.
There were 6,649 households, out of which 31.10% had children under the age of 18 living with them, 53.10% were married couples living together, 8.00% had a female householder with no husband present, and 35.60% were non-families. 30.40% of all households were made up of individuals, and 10.70% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.93.
The county population contained 24.40% under the age of 18, 7.60% from 18 to 24, 24.40% from 25 to 44, 29.80% from 45 to 64, and 13.80% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 95.90 males. For every 100 females age 18 and over, there were 93.60 males.
The median income for a household in the county was $33,851, and the median income for a family was $43,819. Males had a median income of $32,066 versus $22,479 for females. The per capita income for the county was $19,579. About 7.40% of families and 10.90% of the population were below the poverty line, including 12.40% of those under age 18 and 9.00% of those age 65 or over.