St. Clair County is a county located in the state of Missouri. As of 2000, the population is 9,652. Its county seat is Osceola⁶.

Geography

According to the U.S. Census Bureau, the county has a total area of 1,818 km² (702 mi²). 1,753 km² (677 mi²) of it is land and 65 km² (25 mi²) of it is water. The total area is 3.60% water.

Demographics

As of the census² of 2000, there are 9,652 people, 4,040 households, and 2,791 families residing in the county. The population density is 6/km² (14/mi²). There are 5,205 housing units at an average density of 3/km² (8/mi²). The racial makeup of the county is 97.36% White, 0.23% Black or African American, 0.75% Native American, 0.15% Asian, 0.02% Pacific Islander, 0.29% from other races, and 1.21% from two or more races. 0.98% of the population are Hispanic or Latino of any race.

There are 4,040 households out of which 26.30% have children under the age of 18 living with them, 57.60% are married couples living together, 7.70% have a female householder with no husband present, and 30.90% are non-families. 27.40% of all households are made up of individuals and 14.80% have someone living alone who is 65 years of age or older. The average household size is 2.34 and the average family size is 2.83.

In the county the population is spread out with 23.00% under the age of 18, 5.60% from 18 to 24, 22.90% from 25 to 44, 27.20% from 45 to 64, and 21.30% who are 65 years of age or older. The median age is 44 years. For every 100 females there are 98.60 males. For every 100 females age 18 and over, there are 94.30 males.

The median income for a household in the county is $25,321, and the median income for a family is $31,498. Males have a median income of $23,231 versus $18,351 for females. The per capita income for the county is $14,025. 19.60% of the population and 16.20% of families are below the poverty line. Out of the total population, 25.30% of those under the age of 18 and 17.60% of those 65 and older are living below the poverty line.

Cities and towns

• Appleton City
• Collins
• Gerster
• Lowry City
• Osceola
• Roscoe
• Vista