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St. Louis County, Missouri

St. Louis County is a county located in the U.S. State of Missouri. As of 2000, the population is 1,016,315. This county is notable for its 400+ private-street associations. Its county seat is Clayton6.

Geography According to the U.S. Census Bureau, the county has a total area of 1,356 km² (524 mi²). 1,315 km² (508 mi²) of it is land and 41 km² (16 mi²) of it is water. The total area is 3.03% water.

Demographics As of the census of 2000, there are 1,016,315 people, 404,312 households, and 270,889 families residing in the county. The population density is 773/km² (2,001/mi²). There are 423,749 housing units at an average density of 322/km² (834/mi²). The racial makeup of the county is 76.83% White, 19.02% African American, 0.17% Native American, 2.22% Asian, 0.02% Pacific Islander, 0.47% from other races, and 1.26% from two or more races. 1.43% of the population are Hispanic or Latino of any race.

There are 404,312 households out of which 31.60% have children under the age of 18 living with them, 51.00% are married couples living together, 12.70% have a female householder with no husband present, and 33.00% are non-families. 28.00% of all households are made up of individuals and 10.10% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 3.05.

In the county the population is spread out with 25.20% under the age of 18, 8.30% from 18 to 24, 29.00% from 25 to 44, 23.50% from 45 to 64, and 14.10% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 90.00 males. For every 100 females age 18 and over, there are 85.70 males.

The median income for a household in the county is $50,532, and the median income for a family is $61,680. Males have a median income of $45,714 versus $30,278 for females. The per capita income for the county is $27,595. 6.90% of the population and 5.00% of families are below the poverty line. Out of the total people living in poverty, 9.30% are under the age of 18 and 5.30% are 65 or older.

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