Jersey Township, Jersey County, Illinois

According to the 2021 census gazetteer files, Jersey Township has a total area of {{convert|46.99|sqmi|km2|2}}, of which {{convert|46.96|sqmi|km2|2}} (or 99.94%) is land and {{convert|0.03|sqmi|km2|2}} (or 0.06%) is water.{{Cite web |author=US Census Bureau |title=Gazetteer Files |url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html |access-date=2023-01-22 |website=Census.gov}}

• Jerseyville

• Rockbridge Township, Greene County (northeast)
• Ruyle Township (northeast)
• Fidelity Township (east)
• Piasa Township (southeast)
• Mississippi Township (south)
• Otter Creek Township (southwest)
• English Township (west)
• Kane Township, Greene County (northwest)

The township contains these three cemeteries: Keller, Oak Grove and Saint Francis Xavier.

• 25px U.S. Route 67
• 25px Illinois Route 16
• 25px Illinois Route 109

• Jersey Community Hospital heliport
• Jerseyville Aviation Airport

• American Legion Fairgrounds

As of the 2020 census there were 9,995 people, 3,808 households, and 2,360 families residing in the township. The population density was {{Convert|212.71|PD/sqmi|PD/km2}}. There were 4,487 housing units at an average density of {{Convert|95.49|/sqmi|/km2}}. The racial makeup of the township was 94.22% White, 0.44% African American, 0.08% Native American, 0.36% Asian, 0.00% Pacific Islander, 0.42% from other races, and 4.48% from two or more races. Hispanic or Latino of any race were 1.33% of the population.

There were 3,808 households, out of which 30.70% had children under the age of 18 living with them, 48.82% were married couples living together, 8.04% had a female householder with no spouse present, and 38.03% were non-families. 34.30% of all households were made up of individuals, and 13.70% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.19.

The township's age distribution consisted of 22.1% under the age of 18, 8.2% from 18 to 24, 22% from 25 to 44, 28.9% from 45 to 64, and 18.8% who were 65 years of age or older. The median age was 42.9 years. For every 100 females, there were 83.9 males. For every 100 females age 18 and over, there were 82.3 males.

The median income for a household in the township was $64,082, and the median income for a family was $93,864. Males had a median income of $46,724 versus $33,143 for females. The per capita income for the township was $32,579. About 4.9% of families and 9.1% of the population were below the poverty line, including 11.3% of those under age 18 and 6.8% of those age 65 or over.

{{US Census population

| 2000 = 9428

| 2010 = 10165

| 2020 = 9995

| footnote = U.S. Decennial Census{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|accessdate=June 4, 2016}}

}}

• Jersey Community Unit School District 100
• Southwestern Community Unit School District 9

• Illinois's 13th congressional district
• State House District 100
• State Senate District 50

• {{cite gnis|0429184|Jersey Township, Jersey County, Illinois|2010-01-17}}
• [https://web.archive.org/web/20080405165306/http://www.census.gov/geo/www/tiger/tgrshp2007/tgrshp2007.html United States Census Bureau 2007 TIGER/Line Shapefiles]
• [https://web.archive.org/web/20081205020547/http://www.nationalatlas.gov/ United States National Atlas]

• [http://www.city-data.com/township/Jersey-Jersey-IL.html City-Data.com]
• [https://web.archive.org/web/20071020165119/http://www.cyberdriveillinois.com/departments/archives/irad/jersey.html Illinois State Archives]

{{Jersey County, Illinois}}

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Category:Townships in Jersey County, Illinois

Category:Townships in Illinois