Flathead County, MT — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
108,445
Male
54,273
50.0%
Female
54,172
50.0%
Median Age
42.1 yrs
Avg Household Size
2.5
Foreign Born
3.0%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher25.8%
High School or Higher45.4%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.3%
Disability
0.0%
Non-English Home
3.1%
Married
46.5%
Flathead County, MT has a population of 108,445 according to 2023 Census Bureau estimates. The median age is 42.1 years. The largest racial or ethnic group is White at 91.4% of the population. 25.8% of residents hold a bachelor's degree or higher. 3.0% of residents are foreign-born.