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Miami County, Ohio

Miami 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: 111,950 (2024)
ID: 186917
County Official County Government
Contact: DEVELOPMENT DIRECTOR
510 W WATER ST, SUITE 120, TROY OH 45373-2984
GUS Population: 32,365 (2024)
ID: 209133
Township Municipal Government Within County
Contact: FISCAL OFFICER
1150 HORIZON WEST CT, TROY OH 45373-7594
GUS Population: 27,122 (2024)
ID: 209082
Municipal Municipal Government Within County
Contact: DEPUTY AUDITOR
100 S MARKET ST, STE 1, TROY OH 45373-3376
GUS Population: 20,940 (2024)
ID: 172535
Municipal Municipal Government Within County
Contact: MAYOR
201 W WATER ST, PIQUA OH 45356-2235
GUS Population: 16,609 (2024)
ID: 132698
Township Municipal Government Within County
Contact: FISCAL OFFICER
4 E MAIN ST, TIPP CITY OH 45371-1926
GUS Population: 10,596 (2024)
ID: 202336
Municipal Municipal Government Within County
Contact: MAYOR
260 S GARBER DR, TIPP CITY OH 45371-3116
GUS Population: 9,867 (2024)
ID: 110957
Township Municipal Government Within County
Contact: FISCAL OFFICER
9497 MARKLEY ROAD, LAURA OH 45337
TOWNSHIP OF NEWBERRY
GUS Population: 6,579 (2024)
ID: 173073
Township Municipal Government Within County
Contact: FISCAL OFFICER
PO BOX 246, COVINGTON OH 45318-0246
TOWNSHIP OF BETHEL
GUS Population: 4,910 (2024)
ID: 191210
Township Municipal Government Within County
Contact: TOWNSHIP FISCAL OFFICER
8735 S 2ND ST, TIPP CITY OH 45371-9713
VILLAGE OF WEST MILTON
GUS Population: 4,855 (2024)
ID: 193884
Municipal Municipal Government Within County
Contact: MAYOR
701 S MIAMI ST, WEST MILTON OH 45383-1399
TOWNSHIP OF NEWTON
GUS Population: 3,606 (2024)
ID: 173074
Township Municipal Government Within County
Contact: TOWNSHIP FISCAL OFFICER
210 WALNUT ST, PLEASANT HILL OH 45359-9712
VILLAGE OF COVINGTON
GUS Population: 2,622 (2024)
ID: 186943
Municipal Municipal Government Within County
Contact: MAYOR
1 S HIGH ST, COVINGTON OH 45318-1309
TOWNSHIP OF STAUNTON
GUS Population: 2,493 (2024)
ID: 132699
Township Municipal Government Within County
Contact: FISCAL OFFICER
3855 DEWEESE RD, TROY OH 45373-9724
TOWNSHIP OF SPRINGCREEK
GUS Population: 2,219 (2024)
ID: 173075
Township Municipal Government Within County
Contact: SPRINGCREEK TOWNSHIP FISCAL OFFICER
1600 STOCKHAM DR, PIQUA OH 45356
VILLAGE OF BRADFORD
GUS Population: 1,804 (2024)
ID: 172533
Municipal Municipal Government Within County
Contact: MAYOR
115 N MIAMI AVE, BRADFORD OH 45308-1013
TOWNSHIP OF ELIZABETH
GUS Population: 1,709 (2024)
ID: 173072
Township Municipal Government Within County
Contact: TOWNSHIP FISCAL OFFICER
5710 E WALNUT GRV, TROY OH 45373-9011
TOWNSHIP OF LOSTCREEK
GUS Population: 1,658 (2024)
ID: 110956
Township Municipal Government Within County
Contact: ADMINISTRATOR
PO BOX 108, CASSTOWN OH 45312-0108
TOWNSHIP OF WASHINGTON
GUS Population: 1,523 (2024)
ID: 132700
Township Municipal Government Within County
Contact: TRUSTEE
5140 WASHINGTON ROAD, PIQUA OH 45356
GUS Population: 1,266 (2024)
ID: 172536
Municipal Municipal Government Within County
Contact: FISCAL OFFICER
PO BOX 557, PLEASANT HILL OH 45359-0557
TOWNSHIP OF BROWN
GUS Population: 1,182 (2024)
ID: 173071
Township Municipal Government Within County
Contact: FISCAL OFFICER
PO BOX 369, CONOVER OH 45317-0369
VILLAGE OF FLETCHER
GUS Population: 462 (2024)
ID: 172534
Municipal Municipal Government Within County
Contact: MAYOR
217 S WALNUT ST, FLETCHER OH 45326-9756
VILLAGE OF LAURA
GUS Population: 413 (2024)
ID: 132487
Municipal Municipal Government Within County
Contact: CLERK
PO BOX 202, LAURA OH 45337-0202
VILLAGE OF CASSTOWN
GUS Population: 276 (2024)
ID: 132486
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 91, CASSTOWN OH 45312-0091
VILLAGE OF POTSDAM
GUS Population: 231 (2024)
ID: 132488
Municipal Municipal Government Within County
Contact: CLERK-TREASURER
PO BOX 52, POTSDAM OH 45361-0052
VILLAGE OF LUDLOW FALLS
GUS Population: 178 (2024)
ID: 209081
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 159, LUDLOW FALLS OH 45339-0159