Blaine County, Montana Demographics 2026

Population Overview

Blaine County is located in Montana with a total population of 6,997. It is the 31st most populous county out of 56 in Montana.

Age Demographics

The median age in Blaine County is 33.9 years. This is 16% lower than the state median of 40.2 years. With 29.4% of the population under 18, Blaine County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Blaine County is $65,050. This is 7% lower than the state median of $69,922. Compared to the national median of $78,538, household income here is 17% lower. The poverty rate stands at 20.2%. This is 68% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 14.2%. This is 279% higher than the state rate of 3.8%. The median home value is $124,900. Housing costs are 63% lower than the state median of $338,100. With a home-value-to-income ratio of just 1.9x, Blaine County is one of the most affordable housing markets in the area. 63.2% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 69.4%.

Race & Ethnicity

Blaine County is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 2.7%.

Education

25.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% lower 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 90.6%.