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Troy, Montana
Location of Troy, Montana
Location of Troy, Montana
Country United States
State Montana
County Lincoln
 • Total 0.78 sq mi (2.02 km2)
 • Land 0.76 sq mi (1.97 km2)
 • Water 0.02 sq mi (0.05 km2)
1,800 ft (579 m)
 • Total 938
 • Estimate 
 • Density 1,234.2/sq mi (476.5/km2)
Time zone UTC-7 (Mountain (MST))
 • Summer (DST) UTC-6 (MDT)
ZIP code
Area code(s) 406
FIPS code 30-75025
GNIS feature ID 0792409

Troy is a city in Lincoln County, Montana, United States. The population was 938 at the 2010 census.


Troy is located at 48°27′36″N 115°53′28″W / 48.46000°N 115.89111°W / 48.46000; -115.89111 (48.459944, -115.890974).

According to the United States Census Bureau, the city has a total area of 0.78 square miles (2.02 km2), of which, 0.76 square miles (1.97 km2) is land and 0.02 square miles (0.05 km2) is water. Troy has an elevation of about 1,800 feet above sea level and is the lowest town in elevation in Montana. Troy is 12 miles from the border of Montana and Idaho. Troy's next closest city is Libby, which is 18 miles away.

The Troy Mine, which produced silver and copper, was scheduled for closure in February 2015.


This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Troy has a humid continental climate, abbreviated "Dsb" on climate maps. Troy's annual mean temperature is 46.4°F (8.0°C) and its annual mean precipitation is 24.6" (624.8 mm).


Historical population
Census Pop.
1920 763
1930 498 −34.7%
1940 796 59.8%
1950 770 −3.3%
1960 855 11.0%
1970 1,046 22.3%
1980 1,088 4.0%
1990 953 −12.4%
2000 957 0.4%
2010 938 −2.0%
Est. 2015 877 −6.5%
U.S. Decennial Census
2015 Estimate
The Swinging Bridge
The Swinging Bridge, Troy, Montana
The Kootanai Falls
The Kootanai Falls, Troy, Montana

2010 census

As of the census of 2010, there were 938 people, 454 households, and 240 families residing in the city. The population density was 1,234.2 inhabitants per square mile (476.5/km2). There were 490 housing units at an average density of 644.7 per square mile (248.9/km2). The racial makeup of the city was 94.3% White, 0.2% African American, 1.7% Native American, 0.5% Asian, 0.1% from other races, and 3.1% from two or more races. Hispanic or Latino of any race were 1.9% of the population.

There were 454 households of which 25.1% had children under the age of 18 living with them, 37.2% were married couples living together, 9.5% had a female householder with no husband present, 6.2% had a male householder with no wife present, and 47.1% were non-families. 37.4% of all households were made up of individuals and 13.8% had someone living alone who was 65 years of age or older. The average household size was 2.07 and the average family size was 2.71.

The median age in the city was 46.8 years. 20% of residents were under the age of 18; 5.5% were between the ages of 18 and 24; 21.9% were from 25 to 44; 35.7% were from 45 to 64; and 16.8% were 65 years of age or older. The gender makeup of the city was 49.3% male and 50.7% female.

Asbestos contamination

It has been determined by the United States Environmental Protection Agency that Troy has asbestos contamination, similar to that found in nearby Libby.

Popular culture

Troy is featured in Max Brooks' post-apocalyptic zombie novel World War Z, as a safe zone for humanity.

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