Custer County MT Information


Custer County Subdivisions

Custer County MT Data & Demographics (As of July 1, 2017)


Total Population 12,529
Population in Households 12,116
Population in Familes 9,163
Population in Group Qrtrs 413
Population Density1 3
Diversity Index2 18


Total Households 5,402
Average Household Size 2.24
Family Households 3,159
Average Family Size 3


Total Housing Units 5,871 (100%)
Owner Occupied HU 3,436 (58.5%)
Renter Occupied HU 1,966 (33.5%)
Vacant Housing Units 469 ( 8.0%)
Median Home Value $137,886
Average Home Value $180,879


Median Household Income $45,773
Average Household Income $62,713
Per Capita Income $27,526
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.95% 0.76%
Households 0.99% 0.79%
Families 0.65% 0.58%
Median Household Income   1.81%
Per Capita Income   2.59%
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.


Custer County MT - Peer Comparisons by Rank and Percentile

The table below compares Custer County to the other 56 counties and county equivalents 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 # 15 75th
Population Density1 # 25 57th
Diversity Index2 # 28 52nd
Median Household Income # 26 55th
Per Capita Income # 26 55th

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