Helvetia Township
Township
Location of Illinois in the United States
Location of Illinois in the United States
Coordinates: 38°41′56″N 89°39′33″W / 38.69889°N 89.65917°W / 38.69889; -89.65917
CountryUnited States
StateIllinois
CountyMadison
SettledNovember 2, 1875
Area
 • Total36.2 sq mi (94 km2)
 • Land35.88 sq mi (92.9 km2)
 • Water0.32 sq mi (0.8 km2)
Elevation
489 ft (149 m)
Population
 (2010)
 • Estimate 
(2016)[1]
8,567
 • Density241/sq mi (93/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-119-33981

Helvetia Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 8,646 and it contained 3,638 housing units.[2]

History

Helvetia Township was organized in 1876.[3]

Geography

According to the 2010 census, the township has a total area of 36.2 square miles (94 km2), of which 35.88 square miles (92.9 km2) (or 99.12%) is land and 0.32 square miles (0.83 km2) (or 0.88%) is water.[2]

Demographics

Historical population
CensusPop.Note%±
2016 (est.)8,567[1]
U.S. Decennial Census[4]

References

  1. 1 2 "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  2. 1 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. ↑ Norton, William T. (1912). Centennial History of Madison County, Illinois, and Its People, 1812 to 1912. The Lewis Publishing Co. pp. 525.
  4. ↑ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.


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