Flathead County, Montana Demographics 2026

Name: Flathead County, Montana Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Flathead County, Montana has a population of 110,695, the 4th most populous county in Montana. The median household income is $73,925 and the median home value is $535,500. The poverty rate is 9.3%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Flathead County Quick Facts

Population 110,695

Median Household Income $73,925

Median Home Value $535,500

Poverty Rate 9.3%

Unemployment Rate 2.9%

Median Age 42.2 years

Homeownership Rate 72.4%

Affordability Ratio 7.2x

Bachelor's Degree+ 37.2%

High School Graduation 95.5%

Cities/Places 24

Population 110,695 4th of 56

Median Income $73,925 2% higher than state

Poverty Rate 9.3%

Unemployment 2.9%

How Flathead County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	108,445	110,695	+2.1%
Median household income	$71,327	$73,925	+3.6%
Median home value	$467,700	$535,500	+14.5%

Median Household Income

Flathead

$73,925

$72,509

National

$80,734

Median Home Value

Flathead

$535,500

$375,800

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 14.2%

$25K-$50K 19.2%

$50K-$100K 31.5%

$100K+ 35.0%

Detailed income brackets

Under $10K

3.4%

$10K-$15K

4.0%

$15K-$20K

3.1%

$20K-$25K

3.9%

$25K-$30K

3.6%

$30K-$35K

3.9%

$35K-$40K

4.5%

$40K-$45K

3.9%

$45K-$50K

3.3%

$50K-$60K

6.8%

$60K-$75K

10.6%

$75K-$100K

14.2%

$100K-$125K

9.8%

$125K-$150K

6.8%

$150K-$200K

8.7%

$200K+

9.6%

Employment

2.9% Unemployment Rate State: 3.6%|National: 5.2%

62.4% Labor Force Participation

Housing Overview

Owner 72.4%

Renter 27.6%

Affordability Index Very Expensive

7.2x home value to income ratio

Median gross rent $1,142/mo 18.5% of median household income annually

People & Demographics

Age Distribution

Under 18

21.6%

18-34

18.8%

35-54

25.0%

55-74

26.8%

75+

7.7%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 29 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Flathead County

City	Population	Median Income	Poverty	Home Value
Kalispell	28,504	$63,415	10.0%	$428,000
Evergreen	9,611	$76,446	12.1%	$340,800
Whitefish	8,749	$73,811	9.4%	$684,300
Columbia Falls	5,615	$75,766	15.2%	$384,400
Bigfork	5,565	$85,307	5.7%	$674,600
Lakeside	2,386	$77,435	10.9%	$720,100
Somers	1,280	$56,917	8.0%	$465,400
Marion	1,037	$65,250	5.9%	$431,500
Helena Flats	857	$93,625	2.3%	$582,400
Batavia	690	$46,995	20.1%	$369,400
Hungry Horse	679	$53,056	11.5%	N/A
Coram	452	$63,388	10.2%	$243,200
Kila	373	$96,607	8.8%	$455,000
Martin City	342	N/A	0.0%	$573,400
Forest Hill Village	315	N/A	49.2%	$608,500
West Glacier	263	$90,000	0.0%	$497,600
Olney	158	$57,989	3.2%	$430,400
Little Bitterroot Lake	156	N/A	17.3%	$611,100
Rhodes	110	$61,583	10.9%	N/A
Essex	82	$60,250	4.9%	$316,700
Niarada	79	N/A	0.0%	$232,500
Snowslip	71	$186,750	14.1%	$675,000
Pinnacle	48	$58,977	20.8%	$395,500
Polebridge	14	N/A	0.0%	N/A

Explore Montana Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Flathead County is located in Montana with a total population of 110,695. It is the 4th most populous county out of 56 in Montana. The county encompasses 24 Census-designated places.

Age Demographics

The median age in Flathead County is 42.2 years. This is 4% higher than the state median of 40.4 years.

Economy, Income & Housing

The median household income in Flathead County is $73,925. This is 2% higher than the state median of $72,509. It is also 8% lower than the national median of $80,734. The poverty rate stands at 9.3%. This is 19% lower than the state poverty rate of 11.5%. The unemployment rate is 2.9%. This is 19% lower than the state rate of 3.6%. The median home value is $535,500. Housing costs are 42% higher than the state median of $375,800. The home-value-to-income ratio of 7.2x suggests that housing affordability is a significant concern for many residents. 72.4% of occupied housing units are owner-occupied. This homeownership rate is 5% higher than the state average of 69.2%.

Race & Ethnicity

Flathead County has a predominantly White (non-Hispanic) population, comprising 90.0% of all residents. Hispanic or Latino residents account for 3.7%.

Education

37.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.5%.

Data Sources & Methodology

All figures for Flathead County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Montana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Flathead County, Montana?

Flathead County has a population of 110,695, making it the 4th most populous county in Montana.

What is the median income in Flathead County?

The median household income in Flathead County is $73,925 with a poverty rate of 9.3%.

How many cities are in Flathead County, Montana?

Flathead County contains 24 Census-designated places.