Rock Run Township, Stephenson County, Illinois

Rock Run Township is located in Stephenson County, Illinois. As of the 2010 census, its population was 2,247 and it contained 969 housing units.[2] The villages of Rock City and Davis are located in the township.

Rock Run Township
Township
Location in Stephenson County
Location in Stephenson County
Coordinates: 42°23′29″N 89°27′50″W
CountryUnited States
StateIllinois
CountyStephenson
Government
 • SupervisorRay Bordner
Area
 • Total47.84 sq mi (123.9 km2)
 • Land47.82 sq mi (123.9 km2)
 • Water0.02 sq mi (0.05 km2)  0.04%
Elevation
909 ft (277 m)
Population
 (2010)
 • Estimate 
(2016)[1]
2,153
 • Density47/sq mi (18/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-177-65143

Geography

Rock Run is Townships 27 (part) and 28 (part) North, Range 9 East of the Fourth Principal Meridian.

According to the 2010 census, the township has a total area of 47.84 square miles (123.9 km2), of which 47.82 square miles (123.9 km2) (or 99.96%) is land and 0.02 square miles (0.052 km2) (or 0.04%) is water.[2]

Mills

Carnefix Mill, a three–story stone grist mill was built at Irish Grove four miles south of Davis on Rock Run creek by George Raymer in the 1850s. The mill was still standing in 1970.[3]

Davis Manufacturing Company Mill, built in Davis in 1876, was a three and one–half story stone flour mill with four run of stone powered by steam. The mill closed in 1880 and was demolished.[4]

Epplyanna Mill (Section 15) a three–story stone grist mill was built on Rock Run north of Rock City by James Epley in 1854. It ceased operation in 1910. After 1910 it was used as a barn. It was demolished by dynamite in 1955.[5]

Demographics
Historical population
CensusPop.Note%±
2016 (est.)2,153[1]
U.S. Decennial Census[6]

References
  1. "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  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. History of Stephenson County 1970. Freeport, Illinois: County of Stephenson, 1972. pp. 174, 304–305, illus.
  4. History of Stephenson County 1970 (1972) p.184.
  5. History of Stephenson County 1970 (1972) pp. 172–173, illus.
  6. "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.


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