St. Louis County is located in eastern Missouri. It is bounded by the City of St. Louis and the Mississippi River to the east, the Missouri River to the north, and the Meramec River to the south. As of the 2020 census, the population was 1,004,125, making it the most populous county in Missouri, and was estimated to be 987,059 in 2023. Its county seat is Clayton, while the largest city is Florissant. The county is included in the St. Louis, MO–IL metropolitan statistical area. Collected from Wikipedia.
Areas Located Within , 
Charts for St. Louis County, MO
   Resident Population in St. Louis City, MO2025-01-01
   Estimate of Median Household Income for St. Louis City, MO2024-01-01
   Unemployment Rate in St. Louis County, MO2026-05-01
   Unemployment Rate in St. Louis City, MO2026-07-01
   All-Transactions House Price Index for St. Louis County, MO2025-01-01
   Resident Population in St. Louis County, MO2025-01-01
   Estimate of Median Household Income for St. Louis County, MO2024-01-01
   Percent of Population Below the Poverty Level (5-year estimate) in St. Louis city, MO2024-01-01
   Resident Population in St. Charles County, MO2025-01-01
   All-Transactions House Price Index for St. Charles County, MO2025-01-01
   Per Capita Personal Income in St. Louis city, MO2024-01-01
   Bachelor's Degree or Higher (5-year estimate) in St. Louis city, MO2024-01-01
   Estimate of Median Household Income for St. Charles County, MO2024-01-01
   Estimated Percent of People Age 0-17 in Poverty for St. Louis City, MO2024-01-01
   High School Graduate or Higher (5-year estimate) in St. Louis County, MO2024-01-01
   SNAP Benefits Recipients in St. Louis city, MO2023-01-01
   Gross Domestic Product: All Industries in St. Louis County, MO2024-01-01
   Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in St. Louis city, MO2024-01-01
   Unemployment Rate in St. Charles County, MO2026-05-01
   SNAP Benefits Recipients in St. Louis County, MO2023-01-01
   Estimated Percent of People Age 0-17 in Poverty for St. Louis County, MO2024-01-01
   Burdened Households (5-year estimate) in St. Louis County, MO2024-01-01
   Per Capita Personal Income in St. Louis County, MO2024-01-01
   Housing Inventory: Median Listing Price per Square Feet in St. Louis County, MO2026-08-01
   Employed Persons in St. Louis City, MO2025-01-01
   Resident Population in Crawford County, MO2025-01-01
   Income Inequality in St. Louis city, MO2024-01-01
   Estimate of People of All Ages in Poverty in St. Louis City, MO2024-01-01
   All-Transactions House Price Index for St. Louis city, MO2025-01-01
   People 25 Years and Over Who Have Completed an Associate's Degree or Higher (5-year estimate) in St. Louis city, MO2024-01-01
   Market Hotness: Median Days on Market in St. Louis County, MO2026-07-01
   Age-Adjusted Premature Death Rate for St. Charles County, MO2020-01-01
   Market Hotness: Median Listing Price in St. Charles County, MO2026-08-01
   Gross Domestic Product: All Industries in St. Charles County, MO2024-01-01
   Resident Population in Jefferson County, MO2025-01-01
   Unemployment Rate in Franklin County, MO2026-07-01
   Percent of Population Below the Poverty Level (5-year estimate) in Jefferson County, MO2024-01-01
   Combined Violent and Property Crime Offenses Known to Law Enforcement in St. Louis County, MO (DISCONTINUED)2021-01-01
   Bachelor's Degree or Higher (5-year estimate) in St. Louis County, MO2024-01-01
   Estimated Mean Real Household Wages Adjusted by Cost of Living for St. Louis County, MO2023-01-01
News and research for St. Louis County, MO
US Bureau of Labor Statistics (60) US Congressional Budget Office (16) US Census Bureau (14) Board of Governors of the Federal Reserve System (3) Federal Reserve Bank of New York (17) Federal Reserve Bank of Philadelphia (8) US Employment and Training Administration (11) The World Bank (71)
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