Rockvale Township
Rockvale Township building along Rt. 2 in Ogle County.
Rockvale Township building along Rt. 2 in Ogle County.
Location of Illinois in the United States
Location of Illinois in the United States
Coordinates: 42°06′03″N 89°18′58″W / 42.10083°N 89.31611°W / 42.10083; -89.31611
CountryUnited States
StateIllinois
CountyOgle
SettledNovember 6, 1849
Government
  MayorJeff Tremble
Area
  Total35.64 sq mi (92.3 km2)
  Land34.76 sq mi (90.0 km2)
  Water0.88 sq mi (2.3 km2)
Elevation
748 ft (228 m)
Population
 (2010)
  Estimate 
(2016)[1]
1,705
  Density50.9/sq mi (19.7/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
FIPS code17-141-65182

Rockvale Township is located in Ogle County, Illinois. As of the 2010 census, its population was 1,770 and it contained 804 housing units.[2]

History

Rockvale Township was originally named Brooklyn Township, but changed its name on November 12, 1850.

Geography

According to the 2010 census, the township has a total area of 35.64 square miles (92.3 km2), of which 34.76 square miles (90.0 km2) (or 97.53%) is land and 0.88 square miles (2.3 km2) (or 2.47%) is water.[2]

Demographics

Historical population
CensusPop.Note
2016 (est.)1,705[1]
U.S. Decennial Census[3]

References

  1. 1 2 "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  2. 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.
  3. "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.


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