Tazewell County, Illinois
Tazewell 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: 129,821 (2024)
ID: 162164
|
County | Official County Government |
Contact: AUDITOR
11 S 4TH ST STE 123, PEKIN IL 61554-4281
|
|
GUS Population: 31,266 (2024)
ID: 162651
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
111 S CAPITOL ST, STE 200, PEKIN IL 61554-4199
|
|
TOWNSHIP OF PEKIN
GUS Population: 27,085 (2024)
ID: 125344
|
Township | Municipal Government Within County |
Contact: BOOKKEEPER
420 ELIZABETH ST, PEKIN IL 61554-4214
|
|
TOWNSHIP OF WASHINGTON
GUS Population: 24,175 (2024)
ID: 125345
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
58 VALLEY FORGE RD, WASHINGTON IL 61571-2372
|
|
GUS Population: 22,024 (2024)
ID: 125069
|
Municipal | Municipal Government Within County |
Contact: TREASURER
401 W. WASHINGTON ST., EAST PEORIA IL 61611-2496
|
|
GUS Population: 18,401 (2024)
ID: 204329
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 217, GROVELAND IL 61535-0217
|
|
GUS Population: 18,172 (2024)
ID: 163338
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
300 W JEFFERSON ST, MORTON IL 61550-1816
|
|
GUS Population: 17,557 (2024)
ID: 102856
|
Municipal | Municipal Government Within County |
Contact: VILLAGE ADMINSTRATOR
PO BOX 28, MORTON IL 61550
|
|
GUS Population: 15,857 (2024)
ID: 185040
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
301 WALNUT ST, WASHINGTON IL 61571-2649
|
|
TOWNSHIP OF FONDULAC
GUS Population: 12,104 (2024)
ID: 163334
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
143 ARNOLD ROAD, EAST PEORIA IL 61611
|
|
TOWNSHIP OF CINCINNATI
GUS Population: 8,749 (2024)
ID: 163332
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
206 E MAIN, PO BOX 507, SOUTH PEKIN IL 61564-7516
|
|
VILLAGE OF CREVE COEUR
GUS Population: 4,832 (2024)
ID: 207863
|
Municipal | Municipal Government Within County |
Contact: TREASURER
101 N THORNCREST AVE, CREVE COEUR IL 61610-3999
|
|
TOWNSHIP OF MACKINAW
GUS Population: 4,223 (2024)
ID: 163336
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 769, MACKINAW IL 61755-0769
|
|
TOWNSHIP OF ELM GROVE
GUS Population: 2,937 (2024)
ID: 193246
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
11703 SPRINGFIELD RD, TREMONT IL 61568-8867
|
|
TOWNSHIP OF TREMONT
GUS Population: 2,641 (2024)
ID: 163340
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 45 / 308 S. JAMES, TREMONT IL 61568
|
|
GUS Population: 2,485 (2024)
ID: 207864
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
715 LINCOLN RD, MARQUETTE HEIGHTS IL 61554-1313
|
|
GUS Population: 2,247 (2024)
ID: 162652
|
Municipal | Municipal Government Within County |
Contact: VILLAGE SECRETARY
PO BOX 144, TREMONT IL 61568-0144
|
|
TOWNSHIP OF DELAVAN
GUS Population: 1,906 (2024)
ID: 163333
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 483, DELAVAN IL 61734-0483
|
|
GUS Population: 1,848 (2024)
ID: 212002
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK COLLECTOR
PO BOX 500, 100 E FAST AVE, MACKINAW IL 61755-0500
|
|
TOWNSHIP OF HOPEDALE
GUS Population: 1,800 (2024)
ID: 189994
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
5687 ORENDORFF RD, HOPEDALE IL 61747-9540
|
|
TOWNSHIP OF SPRING LAKE
GUS Population: 1,652 (2024)
ID: 163339
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
6903 TOWNLINE ROAD, MANITO IL 61546
|
|
GUS Population: 1,545 (2024)
ID: 102853
|
Municipal | Municipal Government Within County |
Contact: CITY ADMINISTRATOR/BUDGET OFFICER
PO BOX 590, DELAVAN IL 61734-0590
|
|
VILLAGE OF NORTH PEKIN
GUS Population: 1,439 (2024)
ID: 162650
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
318 N MAIN ST, NORTH PEKIN IL 61554-1066
|
|
TOWNSHIP OF LITTLE MACKINAW
GUS Population: 1,431 (2024)
ID: 163335
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
33807 TOWNLINE RD, MACKINAW IL 61755-8942
|
|
TOWNSHIP OF DEER CREEK
GUS Population: 1,387 (2024)
ID: 137913
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
32036 COUNTY LINE RD, DEER CREEK IL 61733
|
|
TOWNSHIP OF SAND PRAIRIE
GUS Population: 1,245 (2024)
ID: 103100
|
Township | Municipal Government Within County |
Contact: CLERK
PO BOX 73, GREEN VALLEY IL 61534-0073
|
|
VILLAGE OF MINIER
GUS Population: 1,137 (2024)
ID: 204305
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
PO BOX 350, 110 W CENTRAL AVE, MINIER IL 61759-0350
|
|
VILLAGE OF SOUTH PEKIN
GUS Population: 965 (2024)
ID: 125070
|
Municipal | Municipal Government Within County |
Contact: SECRETARY
PO BOX 10, 209 W MAIN ST, SOUTH PEKIN IL 61564-7516
|
|
TOWNSHIP OF DILLON
GUS Population: 934 (2024)
ID: 103099
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 703, PEKIN IL 61555-0703
|
|
VILLAGE OF HOPEDALE
GUS Population: 802 (2024)
ID: 162649
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
PO BOX 387, HOPEDALE IL 61747-0387
|
|
GUS Population: 650 (2024)
ID: 162648
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
PO BOX 38, DEER CREEK IL 61733-0038
|
|
VILLAGE OF GREEN VALLEY
GUS Population: 599 (2024)
ID: 204304
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 110, GREEN VALLEY IL 61534
|
|
TOWNSHIP OF HITTLE
GUS Population: 547 (2024)
ID: 185107
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
32986 ARMINGTON RD, ARMINGTON IL 61721-9409
|
|
VILLAGE OF ARMINGTON
GUS Population: 304 (2024)
ID: 189950
|
Municipal | Municipal Government Within County |
Contact: ARMINGTON VILLAGE CLERK
103 N. MAIN ST., ARMINGTON IL 61721
|
|
TOWNSHIP OF BOYNTON
GUS Population: 225 (2024)
ID: 103098
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
1749 TOWN HALL RD, DELAVAN IL 61734
|
|
TOWNSHIP OF MALONE
GUS Population: 207 (2024)
ID: 163337
|
Township | Municipal Government Within County |
Contact: SUPER./TREAS.
PO BOX 265, GREEN VALLEY IL 61534-0265
|