Ottawa County, Ohio
Ottawa 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: 39,692 (2024)
ID: 110686
|
County | Official County Government |
Contact: PRESIDENT
315 MADISON ST, RM 103, PORT CLINTON OH 43452-1943
|
|
GUS Population: 5,915 (2024)
ID: 191180
|
Municipal | Municipal Government Within County |
Contact: MAYOR
1868 E PERRY ST, PORT CLINTON OH 43452-1497
|
|
TOWNSHIP OF SALEM
GUS Population: 5,238 (2024)
ID: 110978
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 417, OAK HARBOR OH 43449-0417
|
|
GUS Population: 4,864 (2024)
ID: 173127
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
5972 E PORT CLINTON EASTERN RD, MARBLEHEAD OH 43440-9782
|
|
TOWNSHIP OF CLAY
GUS Population: 4,725 (2024)
ID: 110976
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
21774 W HOLTS EAST RD, GENOA OH 43430-9546
|
|
TOWNSHIP OF ALLEN
GUS Population: 3,694 (2024)
ID: 173125
|
Township | Municipal Government Within County |
Contact: TOWNSHIP TRUSTEE
PO BOX 440, WILLISTON OH 43468-0440
|
|
TOWNSHIP OF CATAWBA ISLAND
GUS Population: 3,657 (2024)
ID: 173126
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
4822 E CEMETERY RD, STE 2, PORT CLINTON OH 43452-3089
|
|
TOWNSHIP OF HARRIS
GUS Population: 2,877 (2024)
ID: 110977
|
Township | Municipal Government Within County |
Contact: TRUSTEE
PO BOX 341, ELMORE OH 43416-0341
|
|
GUS Population: 2,790 (2024)
ID: 209084
|
Municipal | Municipal Government Within County |
Contact: ADMINISTRATIVE ASST
PO BOX 232, OAK HARBOR OH 43449-0232
|
|
GUS Population: 2,373 (2024)
ID: 192192
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 7, GRAYTOWN OH 43432-0007
|
|
GUS Population: 2,186 (2024)
ID: 194862
|
Municipal | Municipal Government Within County |
Contact: MAYOR
102 E 6TH ST, STE 2, GENOA OH 43430-1600
|
|
GUS Population: 2,076 (2024)
ID: 186983
|
Township | Municipal Government Within County |
Contact: PRESIDENT
11080 W TOUSSAINT EAST RD, OAK HARBOR OH 43449-8820
|
|
GUS Population: 1,371 (2024)
ID: 209083
|
Municipal | Municipal Government Within County |
Contact: FISCAL OFFICER
344 RICE ST, ELMORE OH 43416
|
|
GUS Population: 1,206 (2024)
ID: 173129
|
Township | Municipal Government Within County |
Contact: CHAIR OF TRUSTEES
315 MADISON ST, STE 107, PORT CLINTON OH 43452-1943
|
|
TOWNSHIP OF ERIE
GUS Population: 1,160 (2024)
ID: 173128
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 312, LACARNE OH 43439-0312
|
|
TOWNSHIP OF BAY
GUS Population: 1,114 (2024)
ID: 225686
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
5530 W LITTLE PORTAGE EAST RD, PORT CLINTON OH 43452-8988
|
|
GUS Population: 835 (2024)
ID: 172563
|
Municipal | Municipal Government Within County |
Contact: ZONING ADMINISTRATOR
PO BOX 306, MARBLEHEAD OH 43440-0306
|
|
GUS Population: 793 (2024)
ID: 132720
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 127, PUT IN BAY OH 43456-0127
|
|
VILLAGE OF ROCKY RIDGE
GUS Population: 306 (2024)
ID: 172564
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 218, ROCKY RIDGE OH 43458-0218
|
|
VILLAGE OF CLAY CENTER
GUS Population: 248 (2024)
ID: 132503
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 52, CLAY CENTER OH 43408-0052
|
|
GUS Population: 152 (2024)
ID: 110789
|
Municipal | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 245, PUT IN BAY OH 43456-0245
|