County
· Illinois
Jersey County
Jersey County is a county located in the U.S. state of Illinois. At the 2020 census, it had a population of 21,512. The county seat and largest community is Jerseyville, with a population of 8,337 in 2010. The county's smallest incorporated community is Otterville, with a population of 87.
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Cities and towns 6
Townships 11
- Township of Elsah pop. 2,146
- Township of English pop. 469
- Township of Fidelity pop. 649
- Township of Jersey pop. 9,923
- Township of Mississippi pop. 1,761
- Township of Otter Creek pop. 868
- Township of Piasa pop. 3,120
- Township of Quarry pop. 1,092
- Township of Richwood pop. 514
- Township of Rosedale pop. 408
- Township of Ruyle pop. 383
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 162140
- FIPS state
- 17
- FIPS county
- 083
- FIPS place
- 99083
- Census record name
- COUNTY OF JERSEY
- Mailing address
- 200 N LAFAYETTE ST, JERSEYVILLE 62052