Rockvale Township, Ogle County, Illinois
Rockvale Township building along Rt. 2 in Ogle County.
|Elevation||748 ft (228 m)|
|Area||35.64 sq mi (92.3 km2)|
|- land||34.76 sq mi (90 km2)|
|- water||0.88 sq mi (2 km2)|
|Density||50.9 / sq mi (19.7 / km2)|
|Settled||November 6, 1849|
|- summer (DST)||CDT (UTC-5)|
Location in Ogle County.
Rockvale Township was originally named Brooklyn Township, but changed its name on November 12, 1850.
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.
- "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1". United States Census. Retrieved 2013-05-28.
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