Oak Grove Township, Benton County, Indiana

Oak Grove Township
Location of Oak Grove Township in Benton County
Coordinates: 40°31′09″N 87°15′54″W / 40.51917°N 87.26500°W / 40.51917; -87.26500
Country United States
State Indiana
CountyBenton
OrganizedJuly 1840
Government
  TypeIndiana township
Area
  Total
35.53 sq mi (92.0 km2)
  Land35.51 sq mi (92.0 km2)
  Water0.02 sq mi (0.05 km2)
Elevation
748 ft (228 m)
Population
 (2020)
  Total
1,551
  Density43.6/sq mi (16.8/km2)
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
FIPS code18-55620
GNIS feature ID453681

Oak Grove Township is one of eleven townships in Benton County, Indiana. As of the 2020 census, its population was 1,551 and it contained 690 housing units. It was one of the first three townships originally created by the county's commissioners in 1840. It takes its name from White Oak Grove which grew southwest of Oxford.

Historical population
CensusPop.Note
18901,495
19001,67512.0%
19101,603−4.3%
19201,522−5.1%
19301,430−6.0%
19401,220−14.7%
19501,41015.6%
19601,62115.0%
19701,6290.5%
19801,81011.1%
19901,641−9.3%
20001,6943.2%
20101,581−6.7%
20201,551−1.9%
Source: US Decennial Census