Troy, MT Profile: Facts, Map & Data


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Troy, Montana - Basic Facts

The City of Troy had a population of 850 as of July 1, 2017. Troy ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Montana. See peer rankings below.

The primary coordinate point for Troy is located at latitude 48.46 and longitude -115.8908 in Lincoln County. The formal boundaries for the City of Troy (see map below) encompass a land area of 0.76 sq. miles and a water area of 0.02 sq. miles. Lincoln County is in the Mountain time zone (GMT -7). The elevation is 1,890 feet.

The City of Troy (GNIS ID: 2412101) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Montana is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Troy is located within Troy Division of Lincoln County.

Beneath the boundary map are tables with Troy population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Troy: Lake City, West Troy.

Neighborhood Data

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City of Troy, MT Boundary Map

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Boundary Maps: Troy Division | Lincoln County | Montana Counties

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Troy, MT Data & Demographics (As of July 1, 2017)


Total Population 850
Daytime Population: Workers 677
Daytime Population: Residents 561
Total Daytime Population (TDP) 1,238
Ratio TDP/Total Population1 1.46
Population in Households 850
Population in Familes 584
Population in Group Qrtrs 0
Population Density2 1,118
Diversity Index3 16


Median Household Income $31,189
Average Household Income $43,355
Per Capita Income $20,665


Total Housing Units 490 (100%)
Owner Occupied HU 255 (52.0%)
Renter Occupied HU 153 (31.2%)
Vacant Housing Units 82 (16.7%)
Median Home Value $164,583
Average Home Value $212,988


Total Households 408
Average Household Size 2.08
Family Households 213
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -1.35% -0.79%
Households -1.46% -0.85%
Families -1.63% -1.05%
Median Household Income   1.0%
Per Capita Income   2.28%

Troy, MT - Peer Comparisons by Rank and Percentile

The table below compares Troy to the other 364 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 108 71st
Population Density # 65 82nd
Diversity Index # 177 51st
Median Household Income # 342 6th
Per Capita Income # 312 15th

Additional comparisons and rankings can be made with a VERY EASY TO USE Montana Census Data Comparison Tool.

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