In 2022, St. Clair County, MO had a population of 9.33k people with a median age of 48.2 and a median household income of $43,483. Between 2021 and 2022 the population of St. Clair County, MO grew from 9,235 to 9,330, a 1.03% increase and its median household income grew from $40,470 to $43,483, a 7.45% increase.
The 5 largest ethnic groups in St. Clair County, MO are White (Non-Hispanic) (92.7%), Two+ (Non-Hispanic) (3.79%), Other (Hispanic) (1.03%), Two+ (Hispanic) (0.697%), and White (Hispanic) (0.643%).
None of the households in St. Clair County, MO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.7% of the residents in St. Clair County, MO are U.S. citizens.
In 2022, the median property value in St. Clair County, MO was $126,500, and the homeownership rate was 76.4%.
Most people in St. Clair County, MO drove alone to work, and the average commute time was 28.4 minutes. The average car ownership in St. Clair County, MO was 3 cars per household.
St. Clair County, MO borders Bates County, MO, Benton County, MO, Cedar County, MO, Henry County, MO, Hickory County, MO, Polk County, MO, and Vernon County, MO.