Home values, rents and more in St. Clair County, MO
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
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How St. Clair County, MO compares
The typical home in St. Clair County, MO is worth about $204,000, according to the Zillow Home Value Index for September 2026. Home values in St. Clair County, MO are 23% below the typical value in Missouri ($265,000) and 44% below the U.S. typical value ($366,000).
Over the past year, home values in St. Clair County, MO rose 4.3%, compared with +3.4% in Missouri and +1.2% nationally.
The median household income is $53,043, against $70,702 in Missouri and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 9,976 people live in St. Clair County, MO (Census Bureau estimate for July 2025).
St. Clair County, MO has the 48th-lowest typical home value of the 113 counties in Missouri with Zillow figures.
Part of: Missouri
More for St. Clair County, MO in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in St. Clair County, MO
ZIP codes in St. Clair County, MO
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.