Clark County, Ohio
Clark 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: 134,985 (2024)
ID: 172245
|
County | Official County Government |
Contact: COUNTY ADMINISTRATOR
PO BOX 2639, SPRINGFIELD OH 45501-2639
|
|
GUS Population: 58,138 (2024)
ID: 172329
|
Municipal | Municipal Government Within County |
Contact: TREASURER/DEPUTY FINANCE DIRECTOR
76 E HIGH ST, SPRINGFIELD OH 45502-1214
|
|
GUS Population: 17,930 (2024)
ID: 172775
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
3333 LAKE RD, MEDWAY OH 45341-9742
|
|
GUS Population: 12,557 (2024)
ID: 209114
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
1616 MOOREFIELD RD, SPRINGFIELD OH 45503-5983
|
|
TOWNSHIP OF SPRINGFIELD
GUS Population: 12,234 (2024)
ID: 172777
|
Township | Municipal Government Within County |
Contact: ADMINISTRATOR
2777 SPRINGFIELD XENIA RD, SPRINGFIELD OH 45506-3917
|
|
TOWNSHIP OF MAD RIVER
GUS Population: 10,923 (2024)
ID: 209113
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
260 E MAIN ST, ENON OH 45323-1054
|
|
TOWNSHIP OF GERMAN
GUS Population: 7,557 (2024)
ID: 172776
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
3940 LAWRENCEVILLE DR, SPRINGFIELD OH 45504-4458
|
|
GUS Population: 5,511 (2024)
ID: 172328
|
Municipal | Municipal Government Within County |
Contact: CITY MANAGER
PO BOX 419, NEW CARLISLE OH 45344-0419
|
|
GUS Population: 3,718 (2024)
ID: 132586
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
7714 BALLENTINE PIKE, NEW CARLISLE OH 45344-8537
|
|
TOWNSHIP OF HARMONY
GUS Population: 3,619 (2024)
ID: 132585
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 212, SOUTH VIENNA OH 45369-0212
|
|
GUS Population: 3,120 (2024)
ID: 183981
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 39, CATAWBA OH 43010-0039
|
|
TOWNSHIP OF GREEN
GUS Population: 2,674 (2024)
ID: 193896
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
4163 E PITCHIN RD, SPRINGFIELD OH 45502
|
|
TOWNSHIP OF MADISON
GUS Population: 2,515 (2024)
ID: 186962
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX V, SOUTH CHARLESTON OH 45368-0822
|
|
GUS Population: 2,448 (2024)
ID: 202326
|
Municipal | Municipal Government Within County |
Contact: ADMINISTRATION
PO BOX 232, ENON OH 45323-0232
|
|
GUS Population: 1,695 (2024)
ID: 110711
|
Municipal | Municipal Government Within County |
Contact: CLERK
PO BOX X, SOUTH CHARLESTON OH 45368-0824
|
|
VILLAGE OF NORTH HAMPTON
GUS Population: 452 (2024)
ID: 132405
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 457, NORTH HAMPTON OH 45349-0457
|
|
GUS Population: 407 (2024)
ID: 172331
|
Municipal | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 569, SOUTH VIENNA OH 45369-0569
|
|
VILLAGE OF TREMONT CITY
GUS Population: 346 (2024)
ID: 172330
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 93, TREMONT CITY OH 45372-0093
|
|
VILLAGE OF DONNELSVILLE
GUS Population: 257 (2024)
ID: 132404
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 36, DONNELSVILLE OH 45319-0036
|
|
VILLAGE OF CATAWBA
GUS Population: 242 (2024)
ID: 172326
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 25, CATAWBA OH 43010-0025
|