Hamilton County, Illinois
Hamilton 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 |
|---|---|---|---|
|
COUNTY OF HAMILTON
GUS Population: 7,818 (2024)
ID: 162136
|
County | Official County Government |
Contact: HAMILTON COUNTY TEASURER COURTHOUSE
100 S JACKSON ST, MCLEANSBORO IL 62859
|
|
TOWNSHIP OF MCLEANSBORO
GUS Population: 3,597 (2024)
ID: 162934
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 35, MC LEANSBORO IL 62859-0035
|
|
CITY OF MCLEANSBORO
GUS Population: 2,593 (2024)
ID: 225773
|
Municipal | Municipal Government Within County |
Contact: MAYOR
102 W MAIN ST, MC LEANSBORO IL 62859-1195
|
|
TOWNSHIP OF DAHLGREN
GUS Population: 1,118 (2024)
ID: 162933
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
901 W ROUTE 142, DAHLGREN IL 62828
|
|
TOWNSHIP OF KNIGHT PRAIRIE
GUS Population: 522 (2024)
ID: 125184
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 221, MC LEANSBORO IL 62859-0221
|
|
VILLAGE OF DAHLGREN
GUS Population: 493 (2024)
ID: 162350
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 98, DAHLGREN IL 62828-0098
|
|
TOWNSHIP OF TWIGG
GUS Population: 486 (2024)
ID: 162936
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
7050 ANDERSON SCHOOL RD, MC LEANSBORO IL 62859
|
|
TOWNSHIP OF MAYBERRY
GUS Population: 433 (2024)
ID: 193224
|
Township | Municipal Government Within County |
Contact: BOOKKEEPER
402 WEST DAWES, BROUGHTON IL 62817-1166
|
|
TOWNSHIP OF CROUCH
GUS Population: 373 (2024)
ID: 207891
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
6705 PIOPOLIS ROAD, MCLEANSBORO IL 62859
|
|
TOWNSHIP OF FLANNIGAN
GUS Population: 307 (2024)
ID: 102966
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
7697 TEN MILE RD, MCLEANSBORO IL 62859-4468
|
|
TOWNSHIP OF CROOK
GUS Population: 284 (2024)
ID: 162932
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
11158 CR 1700 E, MC LEANSBORO IL 62859-4905
|
|
TOWNSHIP OF BEAVER CREEK
GUS Population: 249 (2024)
ID: 162931
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 157, MC LEANSBORO IL 62859-0157
|
|
TOWNSHIP OF SOUTH CROUCH
GUS Population: 193 (2024)
ID: 125185
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
16022 STATE ROUTE 242, MCLEANSBORO IL 62859
|
|
VILLAGE OF BROUGHTON
GUS Population: 179 (2024)
ID: 124935
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 87, BROUGHTON IL 62817-0087
|
|
TOWNSHIP OF SOUTH FLANNIGAN
GUS Population: 138 (2024)
ID: 102967
|
Township | Municipal Government Within County |
Contact: TOWN CLERK
1310 N CORNERVILLE RD, THOMPSONVILLE IL 62890
|
|
TOWNSHIP OF SOUTH TWIGG
GUS Population: 118 (2024)
ID: 162935
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
8115 WALPOLE RD, BROUGHTON IL 62817
|
|
TOWN OF BELLE PRAIRIE CITY
GUS Population: 46 (2024)
ID: 162349
|
Municipal | Municipal Government Within County |
Contact: TREASURER
606 GRUBB MEMORIAL DR., DAHLGREN IL 62828-4098
|
|
VILLAGE OF MACEDONIA
GUS Population: 29 (2024)
ID: 207803
|
Municipal | Municipal Government Within County |
Contact: VILLAGE TRUSTEE
PO BOX 42, MACEDONIA IL 62860-0042
|