Thompson Falls, MT Profile: Facts, Map & Data


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Thompson Falls, Montana - Basic Facts

The City of Thompson Falls had a population of 1,257 as of July 1, 2017.

The primary coordinate point for Thompson Falls is located at latitude 47.5992 and longitude -115.34 in Sanders County. The formal boundaries for the City of Thompson Falls (see map below) encompass a land area of 1.73 sq. miles and a water area of 0 sq. miles. Sanders County is in the Mountain time zone (GMT -7). The elevation is 2,556 feet.

The City of Thompson Falls (GNIS ID: 2412062) 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 Thompson Falls is located within Thompson Falls-West End Division of Sanders County.

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

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City of Thompson Falls, MT Boundary Map

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Boundary Maps: Thompson Falls-West End Division | Sanders County | Montana Counties

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


Total Population 1,257
Daytime Population: Workers 553
Daytime Population: Residents 751
Total Daytime Population (TDP) 1,304
Ratio TDP/Total Population1 1.04
Population in Households 1,244
Population in Familes 932
Population in Group Qrtrs 13
Population Density2 728
Diversity Index3 17


Median Household Income $30,851
Average Household Income $44,342
Per Capita Income $21,394


Total Housing Units 683 (100%)
Owner Occupied HU 384 (56.2%)
Renter Occupied HU 212 (31.0%)
Vacant Housing Units 87 (12.7%)
Median Home Value $193,000
Average Home Value $247,585


Total Households 596
Average Household Size 2.09
Family Households 348
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 -0.6% -0.64%
Households -0.5% -0.65%
Families -0.54% -0.82%
Median Household Income   0.78%
Per Capita Income   2.74%

Thompson Falls, MT - Peer Comparisons by Rank and Percentile

The table below compares Thompson Falls 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 # 76 79th
Population Density # 99 73rd
Diversity Index # 168 54th
Median Household Income # 344 6th
Per Capita Income # 298 18th

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

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