Big Sky, MT Profile: Facts, Map & Data


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Big Sky, Montana - Basic Facts

The Big Sky Census Designated Place had a population of 2,538 as of July 1, 2016. Big Sky ranks in the lower 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 Big Sky is located at latitude 45.2564 and longitude -111.332 in Gallatin County. The formal boundaries for the Big Sky Census Designated Place (see map below) encompass a land area of 119.99 sq. miles and a water area of 0.24 sq. miles. Gallatin County is in the Mountain time zone (GMT -7). The elevation is 7,218 feet.

While the primary coordinates for Big Sky Census Designated Place are located in Gallatin County, it should be noted that the formal boundaries for this community also extend into and Madison County.

The Big Sky Census Designated Place (GNIS ID: 2407845) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Montana is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Big Sky Census Designated Place is located within Big Sky Division of Gallatin County.

Beneath the boundary map are tables with Big Sky population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Big Sky Census Designated Place, MT Boundary Map

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Boundary Maps: Big Sky Division | Gallatin County | Montana Counties

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Big Sky, MT Data & Demographics (As of July 1, 2016)


Total Population 2,538
Population in Households 2,492
Population in Familes 1,598
Population in Group Qrtrs 46
Population Density1 21
Diversity Index2 16


Total Households 1,122
Average Household Size 2.22
Family Households 586
Average Family Size 3


Total Housing Units 3,756 (100%)
Owner Occupied HU 688 (18.3%)
Renter Occupied HU 434 (11.6%)
Vacant Housing Units 2,634 (70.1%)
Median Home Value $443,452
Average Home Value $527,038


Median Household Income $66,345
Average Household Income $77,976
Per Capita Income $35,432
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.53% 1.74%
Households 1.55% 1.77%
Families 2.51% 1.46%
Median Household Income   3.0%
Per Capita Income   1.92%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Big Sky, MT - Peer Comparisons by Rank and Percentile

The table below compares Big Sky to the other 364 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2016 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 # 43 88th
Population Density1 # 319 13th
Diversity Index2 # 165 55th
Median Household Income # 13 97th
Per Capita Income # 12 97th

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

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