Stillwater County MT Information


Stillwater County Subdivisions

Stillwater County MT Data & Demographics (As of July 1, 2015)


Total Population 9,526
Population in Households 9,414
Population in Familes 7,853
Population in Group Qrtrs 112
Population Density1 5
Diversity Index2 17


Total Households 4,005
Average Household Size 2.35
Family Households 2,782
Average Family Size 3


Total Housing Units 5,060 (100%)
Owner Occupied HU 3,065 (60.6%)
Renter Occupied HU 940 (18.6%)
Vacant Housing Units 1,055 (20.8%)
Median Home Value $221,276
Average Home Value $255,400


Median Household Income $56,143
Average Household Income $73,164
Per Capita Income $30,782
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.84% 0.88%
Households 1.03% 1.02%
Families 0.88% 0.93%
Median Household Income   2.45%
Per Capita Income   2.85%
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.


Stillwater County MT - Peer Comparisons by Rank and Percentile

The table below compares Stillwater County to the other 56 counties and county equivalents in Montana by rank and percentile using July 1, 2015 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 # 22 63rd
Population Density1 # 16 73rd
Diversity Index2 # 30 48th
Median Household Income # 3 96th
Per Capita Income # 2 98th

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