Kirkwood is an inner-ring western suburb of St. Louis located in St. Louis County, Missouri, United States. As of the 2010 census, the city’s population was 27,540. Founded in 1853, the city is named after James P. Kirkwood, builder of the Pacific Railroad through that town. It was the first planned suburb located west of the Mississippi River.
Kirkwood is located at 38°34′50″N 90°24′51″W / 38.58056°N 90.41417°W / 38.58056; -90.41417 (38.580652, -90.414289).
According to the United States Census Bureau, the city has a total area of 9.20 square miles (23.83 km), of which 9.16 square miles (23.72 km) is land and 0.04 square miles (0.10 km) is water.
As of the census of 2010, there were 27,540 people in Kirkwood, 11,894 households, and 7,327 families residing in the city. The population density was 3,006.6 inhabitants per square mile (1,160.9/km). There were 12,895 housing units at an average density of 1,407.8 per square mile (543.6/km). The racial makeup of the city was 96% White, 2.0% African American, 0.5% Native American, 1% Asian, 0.5% another race.
There were 11,894 households of which 29.3% had children under the age of 18 living with them, 48.7% were married couples living together, 9.9% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 38.4% were non-families. 33.6% of all households were made up of individuals and 14.4% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.97.
The median age in the city was 42.6 years. 23.2% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 23.8% were from 25 to 44; 29.8% were from 45 to 64; and 17.1% were 65 years of age or older. The gender makeup of the city was 46.0% male and 54.0% female.
In 2000 there were 11,763.5 households out of which 28.0% had children under the age of 18 living with them, 50.5% were married couples living together, 9.0% had a female householder with no husband present, and 38.3% were non-families. 33.5% of all households were made up of individuals and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.98.
In the city, the population was spread out with 23.4% under the age of 18, 5.9% from 18 to 24, 27.6% from 25 to 44, 24.9% from 45 to 64, and 18.2% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 84.1 males. For every 100 females age 18 and over, there were 79.4 males.
The median income for a household in the city was $70,261, and the median income for a family was $89,219. Males had a median income of $51,515 versus $36,235 for females. The per capita income for the city was $32,012. About 2.8% of families and 4.6% of the population were below the poverty line, including 6.1% of those under age 18 and 3.6% of those age 65 or over.