Troy, Ohio

Troy, Ohio
Buildings along Main Street in Troy Public Square in 2023
Nickname: 
Trojan city
Motto: 
"Make It Yours"
Interactive map of Troy, Ohio
Troy
Troy
Coordinates: 40°02′39″N 84°14′10″W / 40.04417°N 84.23611°W / 40.04417; -84.23611
CountryUnited States
StateOhio
CountyMiami
Government
 • MayorRobin Oda (R)
Area
 • Total
12.43 sq mi (32.19 km2)
 • Land12.21 sq mi (31.62 km2)
 • Water0.22 sq mi (0.56 km2)
Elevation
853 ft (260 m)
Population
 (2020)
 • Total
26,305
 • Density2,154.3/sq mi (831.79/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP codes
45373-45374
Area codes937, 326
FIPS code39-77588
GNIS feature ID2397060
Websitehttps://www.troyohio.gov/

Troy is a city in and the county seat of Miami County, Ohio, United States. The population was 26,305 at the 2020 census, making it Miami County's largest city and Ohio's 55th-largest. Troy lies along the Great Miami River about 19 miles (31 km) north of Dayton and is part of the Dayton metropolitan area.