Sangamon Valley Township
Township
Location in Cass County
Location in Cass County
Cass County's location in Illinois
Cass County's location in Illinois
Coordinates: 40°00′34″N 90°12′53″W / 40.00944°N 90.21472°W / 40.00944; -90.21472
CountryUnited States
StateIllinois
CountyCass
EstablishedNovember 6, 1923
Area
 • Total39.81 sq mi (103.1 km2)
 • Land39.71 sq mi (102.8 km2)
 • Water0.1 sq mi (0.3 km2)  0.25%
Elevation
620 ft (189 m)
Population
 (2020)
 • Total330
 • Density8.3/sq mi (3.2/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP codes
62618, 62627, 62691
FIPS code17-017-67600

Sangamon Valley Township is one of eleven townships in Cass County, Illinois, USA. As of the 2020 census, its population was 330 and it contained 160 housing units.[1]

Geography

According to the 2010 census, the township has a total area of 39.81 square miles (103.1 km2), of which 39.71 square miles (102.8 km2) (or 99.75%) is land and 0.1 square miles (0.26 km2) (or 0.25%) is water.[2]

Cities, towns, villages

Unincorporated towns

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

Cemeteries

The township contains these three cemeteries: Cauby, Powell and Walnut Ridge.

Major highways

Rivers

Lakes

  • Cottonwood Lake

Landmarks

  • Panther Creek Conservation Area (west three-quarters)
  • Panther Creek State Wildlife Refuge

Demographics

As of the 2020 census[1] there were 330 people, 206 households, and 83 families residing in the township. The population density was 8.30 inhabitants per square mile (3.20/km2). There were 160 housing units at an average density of 4.03 per square mile (1.56/km2). The racial makeup of the township was 95.76% White, 0.00% African American, 0.30% Native American, 0.00% Asian, 0.00% Pacific Islander, 1.82% from other races, and 2.12% from two or more races. Hispanic or Latino of any race were 4.55% of the population.

There were 206 households, out of which 27.20% had children under the age of 18 living with them, 40.29% were married couples living together, none had a female householder with no spouse present, and 59.71% were non-families. 56.80% of all households were made up of individuals, and 36.40% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 4.42.

The township's age distribution consisted of 37.9% under the age of 18, 0.8% from 18 to 24, 22.7% from 25 to 44, 16.4% from 45 to 64, and 22.3% who were 65 years of age or older. The median age was 37.8 years. For every 100 females, there were 84.3 males. For every 100 females age 18 and over, there were 90.7 males.

The median income for a household in the township was $84,167, and the median income for a family was $69,479. Males had a median income of $59,107 versus $14,632 for females. The per capita income for the township was $32,554. None of the population was below the poverty line.

Historical population
CensusPop.Note%±
2010328—
20203300.6%
U.S. Decennial Census[3]

School districts

  • A C Central Community Unit School District 262
  • Beardstown Community Unit School District 15
  • Virginia Community Unit School District 64

Political districts

References

  • "Sangamon Valley Township, Cass County, Illinois". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved January 4, 2010.
  • United States Census Bureau 2007 TIGER/Line Shapefiles
  • United States National Atlas
  1. 1 2 "Explore Census Data". data.census.gov. Retrieved January 22, 2023.
  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. ↑ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
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