Liberty County, Montana Demographics 2026

Population Overview

Liberty County is located in Montana with a total population of 1,968. It is the 46th most populous county out of 56 in Montana. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Liberty County is 37.5 years. This is 7% lower than the state median of 40.2 years. With 29.5% of the population under 18, Liberty County has a notably young demographic profile, suggesting a family-oriented community. 15.6% 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 Liberty County is $53,264. This is 24% lower than the state median of $69,922. It is also 32% lower than the national median of $78,538. The poverty rate stands at 25.5%. This is 111% 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 0.3%. This is 93% lower than the state rate of 3.8%. The median home value is $116,800. Housing costs are 65% lower than the state median of $338,100. With a home-value-to-income ratio of just 2.2x, Liberty County is one of the most affordable housing markets in the area. 64.2% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 69.4%.

Race & Ethnicity

Liberty County has a predominantly White (non-Hispanic) population, comprising 95.9% of all residents.

Education

27.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 21% 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 81.1%.

Data Sources & Methodology

All figures for Liberty County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Montana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.