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.

Quick Facts Country, State ...
Rock Run Township
Township
Thumb
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
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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]

History

The Norwegian-American Rock Run Settlement was established in 1839. Named after the town of Rock Run, it lay partly in Stephenson, partly in Winnebago County, Illinois.[3]

Mills

Carnefix Mill, a three–story stone grist mill was built at Irish Grove 4 miles (6.4 km) south of Davis on Rock Run creek by George Raymer in the 1850s. The mill was still standing in 1970.[4]

Davis Manufacturing Company Mill, built in Davis in 1876, was a 3+12-story stone flour mill with four run of stone powered by steam. The mill closed in 1880 and was demolished.[5]

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.[6]

Demographics

More information Census, Pop. ...
Historical population
CensusPop.Note
2016 (est.)2,153[1]
U.S. Decennial Census[7]
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References

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