Blaine County, Montana
Located in Montana, Blaine County has a population of 6,949 residents and a median age of 35.6 years, making it the #2,740 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 18.3%. The median home value is $155,500, and the median household income is $64,813, which is 14% below the national median.
Demographics
Blaine County has a population of 6,949, making it the #2,740 most populous county in the US. The median age is 35.6 years, which is 8.5% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Blaine County is $64,813, ranking #1,650 out of 3,222 counties — 13.8% below the national median. The poverty rate is 18.3% and unemployment stands at 13.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Blaine County is $155,500 (-44.8% vs national). Renters pay a median of $660/mo and the homeownership rate is 65.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Blaine County, 23.9% of adults age 25+ hold a bachelor's degree or higher, which is 29.1% below the national average, ranking #1,382 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Blaine County is 70.0 years. 21.7% of adults report poor or fair health and 12.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.8% of adults in Blaine County smoke , 41.4% are obese , and 21.4% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 59.8 per 100,000. Motor vehicle deaths occur at a rate of 25.4 per 100,000.
Suicide Rate Trend
Families & Children
21.8% of children in Blaine County live in poverty . The teen birth rate is 31.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Blaine County is 66.7%. The mean commute time is 17.3 min, which is 37.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Blaine County voted Republican with a margin of 5.8%. The vote was 44.7% Dem / 50.5% Rep. Compared to 2020, the margin shifted 9.7 toward Republicans .
Vote Share Over Time
About Blaine County, Montana
Blaine County, Montana has a total population of 6,949, making it the 2,740th most populous county in the United States. The median age in Blaine County is 35.6 years, which is 8.5% below the national median of 38.9 years.
The median household income in Blaine County is $64,813, which ranks #1,650 of 3,222 counties nationwide. This is 13.8% below the national median of $75,149. The poverty rate is 18.3%, higher than the national rate of 12.6%. The unemployment rate stands at 13.6%.
The median home value in Blaine County is $155,500, 44.8% below the national median. Renters in Blaine County pay a median gross rent of $660 per month. The homeownership rate is 65.7%, compared to the national rate of 64.4%.
In Blaine County, 23.9% of residents aged 25 and older hold a bachelor's degree or higher, 29.1% below the national average of 33.7%. Health insurance coverage stands at 81.7% of the population. The average commute time for workers is 17.3 min.
Blaine County is a diverse community. The largest racial or ethnic group is American Indian (non-Hispanic) at 47.0% of the population, followed by White (non-Hispanic) (44.1%) and Two or More Races (5.6%).
All data for Blaine County, Montana comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.