Rock Grove Township
Township
Location in Stephenson County
Location in Stephenson County
Coordinates: 42°28′44″N 89°29′11″W / 42.47889°N 89.48639°W / 42.47889; -89.48639[1]
CountryUnited States
StateIllinois
CountyStephenson
Government
 • SupervisorGeorge Suess
Area
 • Total30.42 sq mi (78.8 km2)
 • Land30.27 sq mi (78.4 km2)
 • Water0.15 sq mi (0.4 km2)  0.49%
Elevation
[1]
958 ft (292 m)
Population
 (2010)
 • Estimate 
(2016)[2]
1,347
 • Density45.9/sq mi (17.7/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-177-65065

Rock Grove Township is located in Stephenson County, Illinois. As of the 2010 census, its population was 1,388 and it contained 761 housing units.[3] The unincorporated community of Rock Grove is located in the township, and once Duncannon was located here also.

Geography

Rock Grove is Township 28 (part) and 29 North, Range 8 (part) and 9 East of the Fourth Principal Meridian.

According to the 2010 census, the township has a total area of 30.42 square miles (78.8 km2), of which 30.27 square miles (78.4 km2) (or 99.51%) is land and 0.15 square miles (0.39 km2) (or 0.49%) is water.[3]

Demographics

Historical population
CensusPop.Note%±
2016 (est.)1,347[2]
U.S. Decennial Census[4]

References

  1. 1 2 "Township of Rock Grove". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  2. 1 2 "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  3. 1 2 "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.
  4. ↑ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.


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