O'Fallon, Missouri
Demographics

O'Fallon, Missouri

Section Title: Demographics
Table Section Text: None

Historical population

Census	Pop.	%±

1880	295	—

1920	588	—

1930	594	1.0%

1940	618	4.0%

1950	789	27.7%

1960	3,770	377.8%

1970	7,018	86.2%

1980	8,677	23.6%

1990	18,698	115.5%

2000	46,169	146.9%

2010	79,329	71.8%

Est. 2017	87,597	10.4%

U.S. Decennial Census 2017 Estimate

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