Big Sky, MT Profile: Facts & Data


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Big Sky, Montana - Basic Facts

The Big Sky Census Designated Place had a population of 2,747 as of July 1, 2018. 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.

Jump to... (On This Page!)
  1. Big Sky 2018 Demographic Data
  2. Growth Rates for Big Sky (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Montana Research Tools (Easy Tools & Current Data)
  3. Montana Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Big Sky, MT Data & Demographics (As of July 1, 2018)


Total Population 2,747
Population in Households 2,702
Population in Familes 1,708
Population in Group Qrtrs 45
Population Density2 23
Diversity Index3 17


Median Household Income $68,263
Average Household Income $90,773
Per Capita Income $40,937


Total Housing Units 3,870 (100%)
Owner Occupied HU 746 (19.3%)
Renter Occupied HU 464 (12.0%)
Vacant Housing Units 2,659 (68.7%)
Median Home Value $458,791
Average Home Value $547,450


Total Households 1,211
Average Household Size 2.23
Family Households 628
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 2.13% 2.43%
Households 2.11% 2.38%
Families 2.75% 2.08%
Median Household Income   4.11%
Per Capita Income   3.04%

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, 2018 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 # 40 89th
Population Density # 317 13th
Diversity Index # 156 59th
Median Household Income # 21 95th
Per Capita Income # 10 98th

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

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Montana Census Data Comparison Tool

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