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Population of St. Louis City and County, and Missouri 1820-2020

Saint Louis Population Figures from the U.S. Census Bureau

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.

YearSt. LouisMissouri
182010,04966,586
183014,125140,455
184035,979383,702
1850104,978682,044
1860190,5241,182,012
1870351,1891,721,295

St. Louis City and County separated from each other on 22 August 1876.

YearSt. Louis CitySt. Louis CountyMissouri
1880350,51831,8882,168,380
1890451,77036,3072,679,184
1900575,23850,0403,106,665
1910687,02982,4173,293,335
1920772,897100,7373,404,055
1930821,960211,5933,629,367
1940816,048274,2303,784,664
1950856,796406,3493,954,653
1960750,026703,5324,319,813
1970622,236951,3534,676,501
1980453,085973,8964,916,686
1990396,685993,5295,117,073
2000348,1891,016,3155,595,211
2010319,294998,9545,988,927
2020301,5781,004,1256,154,913


Sources...
U.S. Bureau of the Census QuickFacts
U.S. Bureau of the Census: U.S. Population of States and Counties: 1790-1990, Missouri Section
U.S. Bureau of the Census: Historical Population Change Data (1910-2020)

Related Resources...
St. Louis, Missouri Genealogy Resources

Some Free Online U.S. Census Records and Indexes, 1790-1950

U.S. Census Records, 1790-1950 a research guide with links to online indexes

How Much Does it Cost to Take the U.S. Census?



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