Big Horn County MT Information


Big Horn County Subdivisions

Big Horn County MT Data & Demographics (As of July 1, 2023)


Total Population 12,960 (100%)
Population in Households 12,675 (97.8%)
Population in Families 11,038 (85.2%)
Population in Group Quarters1 285 ( 2.2%)
Population Density 3
Diversity Index2 53


Median Household Income $52,900
Average Household Income $73,165
% of Income for Mortgage4 19%
Per Capita Income $21,944
Wealth Index5 52
Socioeconomic Status Index6 Low (40.8)


Total HU (Housing Units) 4,495 (100%)
Owner Occupied HU 2,351 (52.3%)
Renter Occupied HU 1,529 (34.0%)
Vacant Housing Units 615 (13.7%)
Median Home Value $170,031
Average Home Value $198,011
Housing Affordability Index3 128


Total Households 3,880
Average Household Size 3.27
Family Households 2,811
Average Family Size 4.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population -0.39% -0.28%
Households -0.37% -0.32%
Families   -0.37%
Median Household Income   2.20%
Per Capita Income   2.38%
Owner Occupied HU   -0.03%


Big Horn County MT - Peer Comparisons by Rank and Percentile

The table below compares Big Horn County to the other 56 counties and county equivalents in Montana by rank and percentile using July 1, 2023 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 # 14 77th
Population Density # 30 46th
Median Household Income # 38 34th
Housing Affordability Index # 40 71st
Per Capita Income # 56 2nd
Diversity Index # 5 93rd

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

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