Grandview is a city in Louisa County, Iowa, United States. The population was 437 at the time of the 2020 census. It is part of the Muscatine Micropolitan Statistical Area.

Grandview was laid out in 1841 by Alvin Clark and Robert Childers.

Grandview was seriously affected by an EF3 tornado on June 1, 2007, which damaged or destroyed dozens of houses and impacted other parts of the city.

Grandview is located one half mile east of the junction of US Route 61 and Iowa Highway 92. Wapello is six miles to the south and Muscatine is approximately 12 miles to the northeast.

According to the United States Census Bureau, the city has a total area of 0.23 square miles (0.60 km²), all land.

As of the census of 2020, there were 437 people, 186 households, and 109 families residing in the city. The population density was 1,915.4 inhabitants per square mile (739.5/km²). There were 199 housing units at an average density of 872.2 per square mile (336.8/km²). The racial makeup of the city was 89.5% White, 1.4% Black or African American, 0.2% Native American, 0.2% Asian, 0.0% Pacific Islander, 3.4% from other races and 5.3% from two or more races. Hispanic or Latino persons of any race comprised 10.3% of the population.

Of the 186 households, 31.2% of which had children under the age of 18 living with them, 45.2% were married couples living together, 12.4% were cohabitating couples, 19.9% had a female householder with no spouse or partner present and 22.6% had a male householder with no spouse or partner present. 41.4% of all households were non-families. 32.3% of all households were made up of individuals, 17.2% had someone living alone who was 65 years old or older.

The median age in the city was 42.9 years. 26.1% of the residents were under the age of 20; 4.1% were between the ages of 20 and 24; 22.4% were from 25 and 44; 29.1% were from 45 and 64; and 18.3% were 65 years of age or older. The gender makeup of the city was 51.0% male and 49.0% female.