Troy, Kansas | |
|---|---|
City and County seat | |
Troy business district with brick street (2006) | |
Location within Doniphan County and Kansas | |
| Coordinates: 39°47′05″N 95°05′37″W / 39.78472°N 95.09361°W | |
| Country | United States |
| State | Kansas |
| County | Doniphan |
| Founded | 1855 |
| Incorporated | 1860 |
| Named for | Troy |
| Government | |
| • Type | Mayor–Council |
| Area | |
| • Total | 0.98 sq mi (2.54 km2) |
| • Land | 0.97 sq mi (2.52 km2) |
| • Water | 0.01 sq mi (0.02 km2) |
| Elevation | 1,089 ft (332 m) |
| Population (2020) | |
| • Total | 964 |
| • Density | 980/sq mi (380/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 66087 |
| Area code | 785 |
| FIPS code | 20-71575 |
| GNIS ID | 2397063 |
| Website | troykansas.com |
Troy is a city in Doniphan County, Kansas, United States. It is also the county seat of Doniphan County. In 2020, 964 people lived there.

Troy was platted in 1855. It was named after the ancient city of Troy. The first house in Troy was built in 1856, and the first store opened in 1857. Troy was incorporated as a city in 1860. The first post office in Troy was created in March 1857.
Troy is at 39°47′17″N 95°05′27″W / 39.788099°N 95.090840°W (39.788099, -95.090840). The United States Census Bureau says that the city has a total area of 0.98 square miles (2.54 km2). Of that, 0.97 square miles (2.51 km2) is land and 0.01 square miles (0.03 km2) is water.
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1860 | 131 | — | |
| 1870 | 639 | 387.8% | |
| 1880 | 694 | 8.6% | |
| 1890 | 730 | 5.2% | |
| 1900 | 750 | 2.7% | |
| 1910 | 940 | 25.3% | |
| 1920 | 1,013 | 7.8% | |
| 1930 | 1,042 | 2.9% | |
| 1940 | 1,049 | 0.7% | |
| 1950 | 977 | −6.9% | |
| 1960 | 1,051 | 7.6% | |
| 1970 | 1,047 | −0.4% | |
| 1980 | 1,240 | 18.4% | |
| 1990 | 1,073 | −13.5% | |
| 2000 | 1,054 | −1.8% | |
| 2010 | 1,010 | −4.2% | |
| 2020 | 964 | −4.6% | |
| U.S. Decennial Census | |||
Troy is part of the St. Joseph, MO–KS Metropolitan Statistical Area.
The 2020 census says that there were 964 people, 412 households, and 246 families living in Troy. Of the households, 66.7% owned their home and 33.3% rented their home.
The median age was 40.4 years. Of the people, 94.2% were White, 0.6% were Black, 0.3% were Asian, 0.2% were Native American, 0.6% were from some other race, and 4.0% were two or more races. Hispanic or Latino of any race were 2.4% of the people.
The 2010 census says that there were 1,010 people, 421 households, and 275 families living in Troy.