is a the county seat of St. Louis County, Missouri
. As of the 2000
census, the city had a total population of 12,825.
Geography\nClayton is located at 38°38'43" North, 90°19'55" West (38.645318, -90.331844)1
According to the United States Census Bureau
, the city has a total area of 6.4 km²
). 6.4 km² (2.5 mi²) of it is land and none of it is covered by water.
Demographics\nAs of the census
, there are 12,825 people, 5,370 households, and 2,797 families residing in the city. The population density
is 1,996.7/km² (5,164.4/mi²). There are 5,852 housing units at an average density of 911.1/km² (2,356.5/mi²). The racial makeup of the city is 84.94% White, 7.77% African American
, 0.12% Native American
, 5.62% Asian
, 0.03% Pacific Islander, 0.29% from other races, and 1.22% from two or more races. 1.49% of the population are Hispanic
of any race.
There are 5,370 households out of which 25.9% have children under the age of 18 living with them, 43.4% are married couples living together, 6.7% have a female householder with no husband present, and 47.9% are non-families. 40.4% of all households are made up of individuals and 11.8% have someone living alone who is 65 years of age or older. The average household size is 2.09 and the average family size is 2.90.
In the city the population is spread out with 20.1% under the age of 18, 10.7% from 18 to 24, 32.3% from 25 to 44, 22.6% from 45 to 64, and 14.3% who are 65 years of age or older. The median age is 37 years. For every 100 females there are 100.5 males. For every 100 females age 18 and over, there are 98.0 males.
The median income for a household in the city is $64,184, and the median income for a family is $107,346. Males have a median income of $64,737 versus $42,757 for females. The per capita income for the city is $48,055. 7.7% of the population and 5.0% of families are below the poverty line. Out of the total people living in poverty, 9.5% are under the age of 18 and 3.2% are 65 or older.