Hill County, Montana Demographics 2026

Population Overview

Hill County is located in Montana with a total population of 16,260. It is the 12th most populous county out of 56 in Montana.

Age Demographics

The median age in Hill County is 34.0 years. This is 15% lower than the state median of 40.2 years. With 28.4% of the population under 18, Hill County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Hill County is $55,313. This is 21% lower than the state median of $69,922. Compared to the national median of $78,538, household income here is 30% lower. The poverty rate stands at 19.7%. This is 63% higher than the state poverty rate of 12.0%. The unemployment rate is 4.2%. This is 12% higher than the state rate of 3.8%. The median home value is $187,600. Housing costs are 45% lower than the state median of $338,100. The home-value-to-income ratio is 3.4x. 66.8% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 69.4%.

Race & Ethnicity

The largest racial or ethnic group in Hill County is White (non-Hispanic), making up 67.8% of the population. Hispanic or Latino residents account for 3.4%. The Black or African American population (0.2%) is well below the state average of 0.5%. The Asian population (0.2%) is well below the state average of 0.8%.

Education

25.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% 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 91.2%.