Union County, Ohio
Union 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: 71,721 (2024)
ID: 110690
|
County | Official County Government |
Contact: PRESIDENT
233 W 6TH ST, MARYSVILLE OH 43040-5513
|
|
TOWNSHIP OF PARIS
GUS Population: 31,090 (2024)
ID: 191222
|
Township | Municipal Government Within County |
Contact: TRUSTEE
PO BOX 668, MARYSVILLE OH 43040-0668
|
|
GUS Population: 29,276 (2024)
ID: 172647
|
Municipal | Municipal Government Within County |
Contact: CITY MANAGER
209 S MAIN ST, MARYSVILLE OH 43040
|
|
GUS Population: 10,988 (2024)
ID: 132770
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
9777 INDUSTRIAL PKWY, PLAIN CITY OH 43064-8731
|
|
TOWNSHIP OF CLAIBOURNE
GUS Population: 4,044 (2024)
ID: 173255
|
Township | Municipal Government Within County |
Contact: CHAIRMAN
26800 SNEDIKER RD, RICHWOOD OH 43344
|
|
GUS Population: 2,791 (2024)
ID: 205159
|
Township | Municipal Government Within County |
Contact: ADMIN. ASSIST.
16945 ALLEN CENTER RD, MARYSVILLE OH 43040-9674
|
|
TOWNSHIP OF DARBY
GUS Population: 2,756 (2024)
ID: 173256
|
Township | Municipal Government Within County |
Contact: TOWNSHIP FISCAL OFFICER
15190 ROBINSON RD, PLAIN CITY OH 43064-8930
|
|
TOWNSHIP OF DOVER
GUS Population: 2,736 (2024)
ID: 173257
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER DOVER TWP.
15558 SPRINGDALE RD, MARYSVILLE OH 43040-8927
|
|
VILLAGE OF RICHWOOD
GUS Population: 2,575 (2024)
ID: 172649
|
Municipal | Municipal Government Within County |
Contact: FISCAL OFFICER
153 N FRANKLIN ST, RICHWOOD OH 43344-1055
|
|
GUS Population: 2,409 (2024)
ID: 173259
|
Township | Municipal Government Within County |
Contact: JEFF REA, FISCAL OFFICER
26144 CODER HOLLOWAY RD, RAYMOND OH 43067
|
|
TOWNSHIP OF UNION
GUS Population: 1,960 (2024)
ID: 173261
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
PO BOX 367, MILFORD CENTER OH 43045-0367
|
|
TOWNSHIP OF TAYLOR
GUS Population: 1,801 (2024)
ID: 186992
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
19449 WHEELER GREEN RD, 22165 MCADOW RD, MARYSVILLE OH 43040
|
|
TOWNSHIP OF LEESBURG
GUS Population: 1,655 (2024)
ID: 111019
|
Township | Municipal Government Within County |
Contact: TRUSTEE
24330 SANDUSKY RD, MARYSVILLE OH 43040-9224
|
|
TOWNSHIP OF YORK
GUS Population: 1,544 (2024)
ID: 132771
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
28302 ST RD 739, WEST MANSFIELD OH 43358
|
|
GUS Population: 1,532 (2024)
ID: 173260
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
15999 THOMPSON RD, OSTRANDER OH 43061-9678
|
|
TOWNSHIP OF JACKSON
GUS Population: 1,122 (2024)
ID: 173258
|
Township | Municipal Government Within County |
Contact: FISCAL CLERK
15670 STATE ROUTE 739, RICHWOOD OH 43344-9795
|
|
VILLAGE OF MILFORD CENTER
GUS Population: 932 (2024)
ID: 172648
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 395, MILFORD CENTER OH 43045-0395
|
|
TOWNSHIP OF WASHINGTON
GUS Population: 932 (2024)
ID: 193924
|
Township | Municipal Government Within County |
Contact: FISCAL OFFICER
31683 STATE ROUTE 31, WEST MANSFIELD OH 43358-9629
|
|
VILLAGE OF MAGNETIC SPRINGS
GUS Population: 302 (2024)
ID: 172646
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 193, MAGNETIC SPRINGS OH 43036-0193
|
|
VILLAGE OF UNIONVILLE CENTER
GUS Population: 235 (2024)
ID: 205143
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 5, UNIONVILLE CENTER OH 43077-0005
|