Rock Grove Township is located in

Stephenson County Stephenson County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 44,630. Its county seat is Freeport. Stephenson County is included in the Freeport, IL Micropolitan Statis ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

. As of the 2010 census, its population was 1,388 and it contained 761 housing units. The unincorporated community of Rock Grove and part of Lake Summerset are located in the township, and once

Duncannon Duncannon () is a village in southwest County Wexford, Republic of Ireland, Ireland. Bordered to the west by Waterford Harbour, Waterford harbour and sitting on a rocky headland jutting into the channel is the strategically prominent Duncanno ...

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 , of which (or 99.51%) is land and (or 0.49%) is water.

Demographics

References

External links

City-data.com

Stephenson County Official Site
Townships in Stephenson County, Illinois Townships in Illinois {{StephensonCountyIL-geo-stub