|• Total||0.99 sq mi (2.56 km2)|
|• Land||0.98 sq mi (2.54 km2)|
|• Water||0.01 sq mi (0.03 km2)|
|Elevation||1,096 ft (334 m)|
|• Estimate (2012)||994|
|• Density||1,030.6/sq mi (397.9/km2)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||0473041|
Troy is a city in and the county seat of Doniphan County, Kansas, United States. As of the 2010 census, the city population was 1,010. Troy is part of the St. Joseph, MO–KS Metropolitan Statistical Area.
Troy grew up from humble beginnings along the wagon route from St. Joseph, Missouri to Oregon and California. British explorer Richard Francis Burton en route to California in 1860 noted: "Passing though a few wretched shanties called Troy ..."
Troy is located at  According to the United States Census Bureau, the city has a total area of 0.99 square miles (2.56 km2), of which 0.98 square miles (2.54 km2) is land and 0.01 square miles (0.03 km2) is water.(39.788099, -95.090840).
As of the census of 2010, there were 1,010 people, 421 households, and 275 families residing in the city. The population density was 1,030.6 inhabitants per square mile (397.9 /km2). There were 467 housing units at an average density of 476.5 per square mile (184.0 /km2). The racial makeup of the city was 97.3% White, 0.5% African American, 0.2% Native American, 0.3% Asian, 0.2% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 2.7% of the population.
There were 421 households of which 31.4% had children under the age of 18 living with them, 49.6% were married couples living together, 10.0% had a female householder with no husband present, 5.7% had a male householder with no wife present, and 34.7% were non-families. 30.9% of all households were made up of individuals and 16.1% 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 39.1 years. 24.7% of residents were under the age of 18; 8.8% were between the ages of 18 and 24; 23.9% were from 25 to 44; 24.9% were from 45 to 64; and 17.3% were 65 years of age or older. The gender makeup of the city was 48.3% male and 51.7% female.
As of the census of 2000, there were 1,054 people, 439 households, and 295 families residing in the city. The population density was 1,473.4 people per square mile (565.2/km2). There were 474 housing units at an average density of 662.6 per square mile (254.2/km2). The racial makeup of the city was 98.77% White, 0.28% African American, 0.28% Native American, 0.09% Asian, 0.09% from other races, and 0.47% from two or more races. Hispanic or Latino of any race were 1.04% of the population.
There were 439 households out of which 31.4% had children under the age of 18 living with them, 54.0% were married couples living together, 8.9% had a female householder with no husband present, and 32.6% were non-families. 30.3% of all households were made up of individuals and 18.7% 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 2.96.
In the city the population was spread out with 26.2% under the age of 18, 7.4% from 18 to 24, 26.7% from 25 to 44, 20.3% from 45 to 64, and 19.4% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 98.1 males. For every 100 females age 18 and over, there were 93.5 males.
The median income for a household in the city was $31,786, and the median income for a family was $37,039. Males had a median income of $28,229 versus $19,706 for females. The per capita income for the city was $15,138. About 13.4% of families and 12.2% of the population were below the poverty line, including 16.2% of those under age 18 and 4.7% of those age 65 or over.
- Chloe Gartner, American novelist.
- Charles "Buffalo" Jones, American frontiersman, farmer, rancher, hunter, and conservationist who cofounded Garden City, Kansas.
- Charles Evans Whittaker, Associate Justice of the United States Supreme Court from 1957 to 1962
- "US Gazetteer files 2010". United States Census Bureau. Retrieved 2012-07-06.
- "American FactFinder". United States Census Bureau. Retrieved 2012-07-06.
- "Population Estimates". United States Census Bureau. Retrieved 2013-05-29.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "2010 City Population and Housing Occupancy Status". U.S. Census Bureau. Retrieved March 27, 2011.
- Richard Burton, (1862) The Look of the West 1860, Lincoln: Univ. Nebraska Press, reprint, n.d., p.23.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- History of the State of Kansas; William G. Cutler; A.T. Andreas Publisher; 1883. (Online HTML eBook)
- Kansas : A Cyclopedia of State History, Embracing Events, Institutions, Industries, Counties, Cities, Towns, Prominent Persons, Etc; 3 Volumes; Frank W. Blackmar; Standard Publishing Co; 944 / 955 / 824 pages; 1912. (Volume1 - Download 54MB PDF eBook),(Volume2 - Download 53MB PDF eBook), (Volume3 - Download 33MB PDF eBook)
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- USD 429, local school district