Fergus County, Montana Demographics 2026

Population Overview

Fergus County is located in Montana with a total population of 11,581. It is the 18th most populous county out of 56 in Montana.

Age Demographics

The median age in Fergus County is 45.3 years. This is 13% higher than the state median of 40.2 years. 10.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Fergus County is $59,731. This is 15% lower than the state median of $69,922. Compared to the national median of $78,538, household income here is 24% lower. The poverty rate stands at 14.9%. This is 24% higher than the state poverty rate of 12.0%. The unemployment rate is 3.5%. This is 7% lower than the state rate of 3.8%. The median home value is $202,700. Housing costs are 40% lower than the state median of $338,100. The home-value-to-income ratio is 3.4x. 66.0% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 69.4%.

Race & Ethnicity

Fergus County has a predominantly White (non-Hispanic) population, comprising 92.8% of all residents. Hispanic or Latino residents account for 2.2%.

Education

23.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 94.2%.