Seneca County, Ohio
Seneca 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: 54,730 (2024)
ID: 132381
|
County | Official County Government |
Contact: ASSISTANT ADMINISTRATOR
111 MADISON ST, TIFFIN OH 44883-2824
|
|
GUS Population: 17,729 (2024)
ID: 132521
|
Municipal | Municipal Government Within County |
Contact: MAYOR
51 E MARKET ST, STE 1, TIFFIN OH 44883-2807
|
|
GUS Population: 13,063 (2024)
ID: 194852
|
Municipal | Municipal Government Within County |
Contact: EXECUTIVE SECRETARY
213 S MAIN ST, FOSTORIA OH 44830-2322
|
|
TOWNSHIP OF CLINTON
GUS Population: 4,037 (2024)
ID: 111001
|
Township | Municipal Government Within County |
Contact: TRUSTEE
2447 E TR 130, TIFFIN OH 44883
|
|
TOWNSHIP OF HOPEWELL
GUS Population: 2,731 (2024)
ID: 173207
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
PO BOX 308, BASCOM OH 44809-0308
|
|
GUS Population: 2,191 (2024)
ID: 173209
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 630, FOSTORIA OH 44830
|
|
TOWNSHIP OF LIBERTY
GUS Population: 2,008 (2024)
ID: 173208
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
4971 W TWP RD 142, TIFFIN OH 44883
|
|
TOWNSHIP OF EDEN
GUS Population: 1,997 (2024)
ID: 132756
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
PO BOX 71, MELMORE OH 44845-0071
|
|
TOWNSHIP OF SCIPIO
GUS Population: 1,695 (2024)
ID: 173210
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
PO BOX 249, REPUBLIC OH 44867-0249
|
|
TOWNSHIP OF BIG SPRING
GUS Population: 1,677 (2024)
ID: 173205
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
3252 TWP RD 25, ALVADA OH 44802
|
|
TOWNSHIP OF VENICE
GUS Population: 1,650 (2024)
ID: 173212
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
14904 E TR 88, ATTICA OH 44807
|
|
TOWNSHIP OF BLOOM
GUS Population: 1,626 (2024)
ID: 173206
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 57, BLOOMVILLE OH 44818-0057
|
|
TOWNSHIP OF PLEASANT
GUS Population: 1,487 (2024)
ID: 191219
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
PO BOX 71, OLD FORT OH 44861-0071
|
|
TOWNSHIP OF SENECA
GUS Population: 1,436 (2024)
ID: 173211
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
4098 COUNTY ROAD 47, NEW RIEGEL OH 44853-9771
|
|
GUS Population: 1,411 (2024)
ID: 225691
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
6250 N COUNTY ROAD 3, FOSTORIA OH 44830-9594
|
|
TOWNSHIP OF THOMPSON
GUS Population: 1,382 (2024)
ID: 225692
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
14107 TOWNSHIP ROAD 178, BELLEVUE OH 44811-9585
|
|
GUS Population: 1,302 (2024)
ID: 132520
|
Municipal | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 536, 120 CATHERINE ST, GREEN SPRINGS OH 44836
|
|
GUS Population: 1,219 (2024)
ID: 132755
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
7831 E TOWNSHIP ROAD 148, REPUBLIC OH 44867-9627
|
|
GUS Population: 870 (2024)
ID: 172606
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 564, ATTICA OH 44807-0564
|
|
VILLAGE OF BLOOMVILLE
GUS Population: 854 (2024)
ID: 172608
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
10 BEEGHLY AVE, BLOOMVILLE OH 44818-9221
|
|
TOWNSHIP OF REED
GUS Population: 710 (2024)
ID: 111002
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
2855 COUNTY ROAD 27, BELLEVUE OH 44811
|
|
GUS Population: 586 (2024)
ID: 172607
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 485, BETTSVILLE OH 44815-0485
|
|
GUS Population: 544 (2024)
ID: 110807
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 219, REPUBLIC OH 44867-0219
|
|
VILLAGE OF NEW RIEGEL
GUS Population: 280 (2024)
ID: 172609
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 8, NEW RIEGEL OH 44853-0008
|