Flathead County MT Information


Flathead County Subdivisions

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


Total Population 99,637
Daytime Population: Workers 50,101
Daytime Population: Residents 48,975
Total Daytime Population (TDP) 99,076
Ratio TDP/Total Population1 0.99
Population in Households 98,645
Population in Familes 78,117
Population in Group Qrtrs 992
Population Density2 20
Diversity Index3 17


Median Household Income $48,794
Average Household Income $67,978
Per Capita Income $28,089


Total Housing Units 51,184 (100%)
Owner Occupied HU 27,958 (54.6%)
Renter Occupied HU 12,995 (25.4%)
Vacant Housing Units 10,231 (20.0%)
Median Home Value $253,565
Average Home Value $317,605


Total Households 40,953
Average Household Size 2.41
Family Households 26,556
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 1.27% 1.4%
Households 1.22% 1.37%
Families 0.94% 1.19%
Median Household Income   3.91%
Per Capita Income   3.96%


Flathead County MT - Peer Comparisons by Rank and Percentile

The table below compares Flathead 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 # 4 95th
Population Density # 8 89th
Diversity Index # 30 48th
Median Household Income # 17 71st
Per Capita Income # 24 59th

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