Somonauk Township, DeKalb County, Illinois

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Somonauk Township
Location in DeKalb County
Location in DeKalb County
DeKalb County's location in Illinois
DeKalb County's location in Illinois
Coordinates: 41°40′19″N 88°41′07″W / 41.67194°N 88.68528°W / 41.67194; -88.68528Coordinates: 41°40′19″N 88°41′07″W / 41.67194°N 88.68528°W / 41.67194; -88.68528
Country  United States
State  Illinois
County DeKalb
Established November 6, 1849
 • Total 19.33 sq mi (50.1 km2)
 • Land 19.25 sq mi (49.9 km2)
 • Water 0.08 sq mi (0.2 km2)  0.41%
Elevation 715 ft (218 m)
Population (2010)
 • Estimate (2016)[1] 2,091
 • Density 109.2/sq mi (42.2/km2)
Time zone CST (UTC-6)
 • Summer (DST) CDT (UTC-5)
ZIP codes 60548, 60552
FIPS code 17-037-70473

Somonauk Township is one of nineteen townships in DeKalb County, Illinois, USA. As of the 2010 census, its population was 2,101 and it contained 831 housing units.[2]


According to the 2010 census, the township has a total area of 19.33 square miles (50.1 km2), of which 19.25 square miles (49.9 km2) (or 99.59%) is land and 0.08 square miles (0.21 km2) (or 0.41%) is water.[2]

Cities, towns, villages[edit]

Unincorporated towns[edit]

(This list is based on USGS data and may include former settlements.)


The township contains these three cemeteries: Oak Mound, Oakridge and Van Olindas.

Airports and landing strips[edit]

  • George Airport
  • Warren Landing Strip


  • Buck Lake


Historical population
Census Pop.
Est. 2016 2,091 [1]
U.S. Decennial Census[3]

School districts[edit]

  • Sandwich Community Unit School District 430
  • Somonauk Community Unit School District 432

Political districts[edit]


External links[edit]