Jersey County, Illinois
Jersey County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 21,150 (2024)
ID: 162140
|
County | Official County Government |
Contact: JERSEY COUNTY CLERK
200 N LAFAYETTE ST, STE 1, JERSEYVILLE IL 62052-1681
|
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TOWNSHIP OF JERSEY
GUS Population: 9,942 (2024)
ID: 125213
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
720 STATE HIGHWAY 16, JERSEYVILLE IL 62052-2238
|
|
GUS Population: 8,350 (2024)
ID: 162393
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
115 E PRAIRIE ST, JERSEYVILLE IL 62052-1842
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TOWNSHIP OF PIASA
GUS Population: 3,034 (2024)
ID: 125215
|
Township | Municipal Government Within County |
Contact: CLERK
PO BOX 656, BRIGHTON IL 62012-0656
|
|
TOWNSHIP OF ELSAH
GUS Population: 2,083 (2024)
ID: 163000
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
27897 STATE HIGHWAY 3, GODFREY IL 62035-3624
|
|
TOWNSHIP OF MISSISSIPPI
GUS Population: 1,709 (2024)
ID: 125214
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
25536 BETHEL LN, DOW IL 62022-3044
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TOWNSHIP OF QUARRY
GUS Population: 1,170 (2024)
ID: 207896
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 413, GRAFTON IL 62037-0413
|
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TOWNSHIP OF OTTER CREEK
GUS Population: 847 (2024)
ID: 163001
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
20567 DABBS NORTH RD, JERSEYVILLE IL 62052-6648
|
|
GUS Population: 772 (2024)
ID: 162392
|
Municipal | Municipal Government Within County |
Contact: ADMIN ASST.
PO BOX 287, GRAFTON IL 62037-0287
|
|
TOWNSHIP OF FIDELITY
GUS Population: 631 (2024)
ID: 102988
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
29367 OLD FIDELITY RD, JERSEYVILLE IL 62052
|
|
GUS Population: 519 (2024)
ID: 162390
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 32, ELSAH IL 62028-0032
|
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TOWNSHIP OF RICHWOOD
GUS Population: 496 (2024)
ID: 189976
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
11403 GETTINGS RD, FIELDON IL 62031
|
|
TOWNSHIP OF ENGLISH
GUS Population: 471 (2024)
ID: 125212
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
21144 RICHEY HOLLOW RD, JERSEYVILLE IL 62052-6682
|
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TOWNSHIP OF ROSEDALE
GUS Population: 398 (2024)
ID: 192012
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
13480 WATERWORKS RD, FIELDON IL 62031-1437
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TOWNSHIP OF RUYLE
GUS Population: 369 (2024)
ID: 163002
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
34068 LAURIE STREET, MEDORA IL 62063
|
|
VILLAGE OF FIELDON
GUS Population: 162 (2024)
ID: 162391
|
Municipal | Municipal Government Within County |
Contact: PRES OF BOARD
207 S PUBLIC RD, FIELDON IL 62031-1124
|
|
VILLAGE OF FIDELITY
GUS Population: 94 (2024)
ID: 124952
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 41, FIDELITY IL 62030-0041
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|
TOWN OF OTTERVILLE
GUS Population: 83 (2024)
ID: 124953
|
Municipal | Municipal Government Within County |
Contact: TREASURER
1016 S LIBERTY ST, JERSEYVILLE IL 62052-2556
|