Fallon County, Montana Demographics 2026

Population Overview

Fallon County is located in Montana with a total population of 2,817. It is the 42nd most populous county out of 56 in Montana. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Fallon County is 37.2 years. This is 7% lower than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Fallon County is $72,284. This is 3% higher than the state median of $69,922. It is also 8% lower than the national median of $78,538. The poverty rate stands at 12.1%. This is about the same as the state poverty rate of 12.0%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.8%. The median home value is $237,000. Housing costs are 30% lower than the state median of $338,100. The home-value-to-income ratio is 3.3x. 69.8% of occupied housing units are owner-occupied.

Race & Ethnicity

Fallon County has a predominantly White (non-Hispanic) population, comprising 92.8% of all residents. Hispanic or Latino residents account for 0.6%. The Black or African American population (0.0%) is well below the state average of 0.5%. The Hispanic or Latino population (0.6%) is well below the state average of 4.4%.

Education

16.5% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 52% 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 97.0%.

Data Sources & Methodology

All figures for Fallon 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.