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Pettis County, MO - Population by Decades

Date Population Change % Change
1900 32,438--
1910 33,9131,4750.4
1920 35,8131,9000.5
1930 34,664-1,149-0.3
1940 33,336-1,328-0.4
1950 31,577-1,759-0.5
1960 35,1203,5431.1
1970 34,137-983-0.3
1980 36,3782,2410.6
1990 35,437-941-0.3
2000 39,4033,9661.1
Source: U.S. Bureau of Census