Lake County, Montana Demographics 2026

Population Overview

Lake County is located in Montana with a total population of 32,073. It is the 9th most populous county out of 56 in Montana.

Age Demographics

The median age in Lake County is 43.8 years. This is 9% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Lake County is $61,965. This is 11% lower than the state median of $69,922. Compared to the national median of $78,538, household income here is 21% lower. The poverty rate stands at 17.7%. This is 47% higher than the state poverty rate of 12.0%. The unemployment rate is 6.4%. This is 70% higher than the state rate of 3.8%. The median home value is $369,200. Housing costs are 9% higher than the state median of $338,100. The home-value-to-income ratio is 6.0x. 73.8% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 69.4%.

Race & Ethnicity

The largest racial or ethnic group in Lake County is White (non-Hispanic), making up 64.5% of the population. Hispanic or Latino residents account for 4.2%. The Black or African American population (0.2%) is well below the state average of 0.5%.

Education

30.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% 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 93.0%.