Flathead County, Montana Demographics 2026

Population Overview

Flathead County is located in Montana with a total population of 108,445. It is the 4th most populous county out of 56 in Montana.

Age Demographics

The median age in Flathead County is 42.1 years. This is 5% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Flathead County is $71,327. This is 2% higher than the state median of $69,922. Compared to the national median of $78,538, household income here is 9% lower. The poverty rate stands at 9.6%. This is 21% lower than the state poverty rate of 12.0%. The unemployment rate is 3.0%. This is 19% lower than the state rate of 3.8%. The median home value is $467,700. Housing costs are 38% higher than the state median of $338,100. The home-value-to-income ratio of 6.6x suggests that housing affordability is a significant concern for many residents. 74.0% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 69.4%.

Race & Ethnicity

Flathead County has a predominantly White (non-Hispanic) population, comprising 90.7% of all residents. Hispanic or Latino residents account for 3.5%. The Black or African American population (0.2%) is well below the state average of 0.5%.

Education

36.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Flathead County in the top 10% of all cities in the state for educational attainment. This is 4% higher than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.6%.