Three Forks, MT Profile: Facts, Map & Data


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Three Forks, Montana - Basic Facts

The City of Three Forks had a population of 2,197 as of July 1, 2017. Three Forks ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Montana. See peer rankings below.

The primary coordinate point for Three Forks is located at latitude 45.8896 and longitude -111.5527 in Gallatin County. The formal boundaries for the City of Three Forks (see map below) encompass a land area of 1.44 sq. miles and a water area of 0.06 sq. miles. Gallatin County is in the Mountain time zone (GMT -7). The elevation is 4,075 feet.

The City of Three Forks (GNIS ID: 2412067) 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 Three Forks is located within Three Forks Division of Gallatin County.

Beneath the boundary map are tables with Three Forks 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 Three Forks: Bridgeville, Madison City, Shedd's Bridges, Sheds Bridge, The Bridges.

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City of Three Forks, MT Boundary Map

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Boundary Maps: Three Forks Division | Gallatin County | Montana Counties

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


Total Population 2,197
Daytime Population: Workers 583
Daytime Population: Residents 1,121
Total Daytime Population (TDP) 1,704
Ratio TDP/Total Population1 0.78
Population in Households 2,191
Population in Familes 1,755
Population in Group Qrtrs 6
Population Density2 1,526
Diversity Index3 11


Median Household Income $40,310
Average Household Income $52,164
Per Capita Income $22,069


Total Housing Units 986 (100%)
Owner Occupied HU 632 (64.1%)
Renter Occupied HU 289 (29.3%)
Vacant Housing Units 65 ( 6.6%)
Median Home Value $166,167
Average Home Value $179,700


Total Households 921
Average Household Size 2.38
Family Households 597
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 2.26% 2.58%
Households 2.23% 2.56%
Families 1.82% 2.27%
Median Household Income   5.47%
Per Capita Income   4.26%

Three Forks, MT - Peer Comparisons by Rank and Percentile

The table below compares Three Forks 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 # 47 87th
Population Density # 45 88th
Diversity Index # 288 22nd
Median Household Income # 265 27th
Per Capita Income # 291 20th

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

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