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O'Fallon Township, St. Clair County, Illinois

Coordinates: 38°36′49″N 89°51′53″W / 38.61361°N 89.86472°W / 38.61361; -89.86472
From Wikipedia, the free encyclopedia

O'Fallon Township
Township
Location in St. Clair County
Location in St. Clair County
St. Clair County's location in Illinois
St. Clair County's location in Illinois
Country United States
State Illinois
County St. Clair
EstablishedNovember 6, 1883
Area
 • Total
35.78 sq mi (92.7 km2)
 • Land35.12 sq mi (91.0 km2)
 • Water0.66 sq mi (1.7 km2)  1.84%
Population
 (2010)
 • Total
26,467
 • Estimate 
(2018)[1]
29,484
 • Density741.9/sq mi (286.4/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-163-55262

O'Fallon Township is located in St. Clair County, Illinois. As of the 2010 census, its population was 26,053 and it contained 10,338 housing units.[2]

Geography

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According to the 2010 census, the township has a total area of 35.78 square miles (92.7 km2), of which 35.12 square miles (91.0 km2) (or 98.16%) is land and 0.66 square miles (1.7 km2) (or 1.84%) is water.[2]

Demographics

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Historical population
CensusPop.Note
2016 (est.)26,281[1]
U.S. Decennial Census[3]

References

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  1. ^ a b "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  2. ^ a b "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1". United States Census. Archived from the original on February 12, 2020. Retrieved May 28, 2013.
  3. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
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38°36′49″N 89°51′53″W / 38.61361°N 89.86472°W / 38.61361; -89.86472