The tables below give the population of the city of St. Louis, St. Louis County, and the state of Missouri every ten years from 1820-2010. The population figures are from the U.S. Federal Census.|
St. Louis City and County separated from each other on 22 August 1876.
University of Virginia, Geospatial and Statistical Data Center: Historical Census Browser
U.S. Bureau of the Census: Missouri Population of Counties by Decennial Census: 1900 to 1990
U.S. Bureau of the Census: Population Estimates: Historical Data
St. Louis, Missouri Genealogy Resources
US Census Records 1790-1940 a research guide with links to online indexes
How Much Does it Cost to Take the US Census?