| Official Name: | Troy, Ohio |
| Settlement Type: | City |
| Motto: | "Where Civic Pride is City Wide" |
| Mapsize: | 250px |
| Image Map1: | Map of Miami County Ohio Highlighting Troy City.png |
| Mapsize1: | 250px |
| Map Caption1: | Location of Troy in Miami County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Miami |
| Leader Title: | Mayor |
| Leader Name: | Robin Oda (R)[1] |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Area Total Sq Mi: | 12.43 |
| Area Land Sq Mi: | 12.21 |
| Area Water Sq Mi: | 0.22 |
| Area Total Km2: | 32.19 |
| Area Land Km2: | 31.62 |
| Area Water Km2: | 0.56 |
| Population As Of: | 2020 |
| Population Total: | 26305 |
| Population Density Sq Mi: | 2154.38 |
| Population Density Km2: | 831.79 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 853 |
| Coordinates: | 40.0442°N -84.2361°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 45373-45374 |
| Area Code: | 937, 326 |
| Blank Name: | FIPS code |
| Blank Info: | 39-77588[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2397060 |
| Website: | https://www.troyohio.gov/ |
Troy is a city in and the county seat of Miami County, Ohio, United States, along the Great Miami River.[4] The population was 26,305 at the 2020 census, making it Miami County's largest city and Ohio's 55th-largest. About 19miles north of Dayton, Troy is part of the Dayton metropolitan area.
Troy was platted around 1807.[5] A post office in Troy has been in operation since 1824.[6]
Troy was one of the cities affected by severe flooding in the Great Flood of 1913.[7]
In 1970, the Troy Historical Society published Troy: The Nineteenth Century, a book on Troy's history by Thomas Bemis Wheeler. The book discusses the city's founding city and the Ohio canal era of the 1800s.
According to the United States Census Bureau, the city has an area of 11.94sqmi, of which 11.72sqmi is land and 0.22sqmi is water.[8]
As of 2000 the median income for a household in the city was $39,531, and the median income for a family was $46,889. Males had a median income of $35,819 versus $25,536 for females. The per capita income for the city was $19,892. About 6.4% of families and 8.2% of the population were below the poverty line, including 10.8% of those under age 18 and 6.4% of those age 65 or over.
As of the census[9] of 2010, there were 25,058 people, 10,353 households, and 6,600 families residing in the city. The population density was 2138.1PD/sqmi. There were 11,166 housing units at an average density of 952.7/sqmi. The racial makeup of the city was 90.1% White, 4.2% African American, 0.2% Native American, 2.4% Asian, 0.6% from other races, and 2.4% from two or more races. Hispanic or Latino of any race were 1.8% of the population.
There were 10,353 households, of which 33.1% had children under the age of 18 living with them, 46.1% were married couples living together, 12.9% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 36.3% were non-families. 30.5% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.95.
The median age in the city was 36.9 years. 25.2% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 28.1% were from 25 to 44; 25.7% were from 45 to 64; and 13.1% were 65 years of age or older. The gender makeup of the city was 48.7% male and 51.3% female.
Troy is home to the Troy-Hayner Cultural Center, a 1914 Romanesque mansion donated to the city by Mary Jane Harter Coleman Hayner. Hayner had been married to William Hayner, founder of a Dayton-based mail-order whiskey business that operated before Prohibition. The Troy-Hayner houses the Hayner Distillery Collection[10] and a variety of works by local artists.
Troy was the location of the Hobart Welded Steel House Company, which might have become influential in U.S. housing if prefabricated houses had become popular after World War II. The firm's homes resemble the better-known Lustron houses of the Columbus, Ohio-based Lustron Corporation (which also failed). Hobart manufactured and built 22 homes, all in Troy, 16 of which survive and are listed on the U.S. National Register of Historic Places.[11]
Other NRHP-listed properties in Troy include four unrelated homes, a tavern, the Miami County Courthouse and Power Station, the 1859 First Presbyterian Church, and the Troy Public Square.
The City of Troy has a statutory form of government, as described in Ohio Revised Code Sections 731 and 733. General statutory law is the form of municipal government if the electorate has not adopted, by vote, one of the other forms. In addition to a council, the electorate chooses a mayor, council president, and three principal administrators (auditor, treasurer, and solicitor). The mayor administers the city's daily operations. Troy also has a service and safety director who reports to and is appointed by the mayor.
The mayor, auditor and law director are elected to four-year terms. The city council is elected to two-year terms in odd-numbered years. The electorate selects the council president, three at-large representatives, and ward representatives 1 through 6. The current mayor and auditor were elected in 2019 and the city council and treasurer were elected in 2021.
The Troy City Police Department is at 124 E. Main Street. It has 38 officers and three civilian employees. The department has three divisions: patrol, detective, and administration. Shawn McKinney is the police chief. The department moved to its current location in 1995.
The Troy Fire Department was established in 1850 when the Troy Hook & Ladder Company and the Troy Bucket Company were organized. The Fire Department of Troy was formally organized in the fall of 1857. The department has three fire stations, 37 firefighter/paramedics, a training lieutenant, 2 assistant chiefs and a fire chief, Matthew D. Simmons. The fire department provides a full complement of services to its citizens with fire/EMS/Community outreach/ specialty rescue services. The Troy Fire Department serves 74.2 square miles with the city and three townships averaging over 5,000 incidents a year.
Troy City Schools operates public schools.
| School | Type | Grades | Founded |
| Public | 9th-12th | 1852 | |
| Troy Junior High School | Public | 7th-8th | 1972 |
| Private | Pre K-12th | 1980 | |
| Miami Montessori School | Private | Pre K-6th | 1979 |
| The Overfield School | Private | 18 months-Kindergarten | 1960 |
| Van Cleve Elementary | Public | 6th | 1914 |
| Concord Elementary | Public | K-5th | 1919 |
| Cookson Elementary | Public | K-5th | 1963 |
| Forest Elementary | Public | K-5th | 1949 |
| Heywood Elementary | Public | K-5th | 1931 |
| Hook Elementary | Public | K-5th | 1967 |
| Kyle Elementary | Public | K-5th | 1950 |
| St. Patrick School | Private | K-8th | 1888 |
The Western Ohio Japanese Language School (オハイオ西部日本語学校 Ohaio Seibu Nihongo Gakkō) is a supplementary weekend Japanese school in unincorporated Miami County, near Troy. It started in April 1988.[12]
Troy is home to the Hobart Institute of Welding Technology, founded in 1930, one of the nation's premier welding schools.
The Troy-Miami County Public Library has three locations in Troy: the main Troy Library, The Local History Library, and the Maker Lab.[13]
The city and surrounding area are served by a daily newspaper based in Troy, Miami Valley Today; the radio station WTJN-LP "POWER 107.1" 107.1 FM; websites including My Miami County and Miami County Live; and the magazine Troy Living.