Crawford County is a county located in the east-central portion of the U.S. state of Missouri. At the 2010 Census, the population was 24,696. Its county seat is Steelville. The county was organized in 1829 and is named after U.S. Senator William H. Crawford of Georgia.
According to the U.S. Census Bureau, the county has a total area of 744 square miles (1,930 km), of which 743 square miles (1,920 km) is land and 1.2 square miles (3.1 km) (0.2%) is water.
At the 2000 census, there were 22,804 people, 8,858 households and 6,351 families residing in the county. The population density was 31 per square mile (12/km²). There were 10,850 housing units at an average density of 15 per square mile (6/km²). The racial makeup of the county was 98.26% White, 0.14% Black or African American, 0.43% Native American, 0.13% Asian, 0.06% Pacific Islander, 0.14% from other races, and 0.82% from two or more races. Approximately 0.77% of the population were Hispanic or Latino of any race.
There were 8,858 households of which 32.80% had children under the age of 18 living with them, 58.70% were married couples living together, 9.00% had a female householder with no husband present, and 28.30% were non-families. 24.30% of all households were made up of individuals and 11.30% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.00.
26.30% of the population were under the age of 18, 7.90% from 18 to 24, 26.90% from 25 to 44, 23.10% from 45 to 64, and 15.80% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 97.30 males. For every 100 females age 18 and over, there were 94.60 males.
The median household income was $37,554 and the median family income was $45,059. Males had a median income of $28,005 compared with $18,736 for females. The per capita income was $18,203. About 12.70% of families and 16.30% of the population were below the poverty line, including 23.30% of those under age 18 and 14.10% of those age 65 or over.