Blaine County, Montana Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Blaine County, MT Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • C
    Health Below average
    Among the 5 least healthy counties in Montana
  • D
    Income Well below average
    Among the 3 least wealthy counties in Montana
  • D
    Education Well below average

Source: Map AI Methodology

Blaine County
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Population density, people per sq mi

Population: density and quick facts

Metric Blaine County Montana Avg U.S. Average
Population 6,948 1,116,812 337,468,954
Population density (per sq mi) 1.6 7.6 86.4
Population growth (%/yr) 0.64% 1.09% 0.59%
Median age 36.3 40.7 37.3
Households 2,279 458,835 130,235,071

Population in Blaine County grew by 6.6% from 2009 to 2024, reaching 6,948 in 2024.

Population Growth 2009–2024

Year Blaine County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Blaine County is Gen Z, aged 13–28, at 22.0% of residents. That is 0.5 points above Montana as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Montana, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 50.0% of the people living in Blaine County and men 50.0%.

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6,948

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Economy

Blaine County has a the economy index of D, which means it is barely prosperous.

Metric Blaine County Montana Avg U.S. Average
Median household income $66,770 $72,476 $80,455
Income growth (%/yr) 7.78% 5.17% 4.80%
Unemployment rate 13.6% 3.6% 5.2%

The median household income in Blaine County is about 8% lower than in Montana.

Detailed wealth and income breakdown →

Housing

Metric Blaine County Montana Avg U.S. Average
Median home price $108,855 $249,140 $248,835
Median rent $659 $1,081 $1,407
Homeownership rate 65.7% 69.2% 65.2%

The median home price in Blaine County is about 13.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $659 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Blaine County spend about 22 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 93 hours, about 3.9 full days, spent commuting.

Metric Blaine County Montana Avg U.S. Average
One-way commute (min) 11.1 16.0 22.4
Round-trip commute (min) 22.2 32.1 44.8
Yearly time spent (hours) 93 134 187
Estimated yearly cost $2,870 $4,143 $5,790
Work from home 16.6% 12.5% 15.0%
Highway traffic (vehicles/day) 1,154 2,162 8,813
Local road traffic (vehicles/day) 100 403 1,355

Fastest commutes among counties in Montana: Treasure County (7.2 min), Rosebud County (8.2 min), Fallon County (8.4 min).
Slowest: Broadwater County (30.3 min), Stillwater County (27.8 min), Granite County (23.3 min).

The average commute time in Blaine County is 11 minutes, shorter than the 16 minutes in Montana.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Blaine County has a education index of D, which means it is barely educated.

Metric Blaine County Montana Avg U.S. Average
Bachelor's degree or higher 21.0% 31.3% 31.6%
Average household size 2.96 2.37 2.53

Highest education index among counties in Montana: Gallatin County (0.4), Missoula County (0.3), Lewis and Clark County (0.3).
Lowest: Liberty County (0.2), Toole County (0.2), Wheatland County (0.2).

Health

Blaine County has a health index of C, which means it is somewhat healthy.

Metric Blaine County Montana Avg U.S. Average
Life expectancy (years) 77.7 79.0 78.3
Self-rated poor health 21.3% 14.7% 16.3%
Smokers 27.6% 18.8% 19.0%

Highest health index among counties in Montana: Gallatin County (0.8), Missoula County (0.8), Granite County (0.8).
Lowest: Glacier County (0.7), Big Horn County (0.8), Roosevelt County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Blaine County, Montana.

What is the population of Blaine County, Montana?

About 6,948 people live in Blaine County, Montana, in 2,279 households of 3.0 people on average. The median age is 36.3, close to the U.S. median of 37.3.

Is Blaine County, Montana mostly urban or rural?

Averaged over its land area, Blaine County, Montana has 2 people per square mile, a density typical of rural areas. That is about 2% of the U.S. average of 86.

Is Blaine County, Montana an affordable place to live?

The median home costs 1.6 times the median household income ($108,855 against $66,770), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $659 a month takes about 12% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Is unemployment high in Blaine County, Montana?

Unemployment in Blaine County, Montana is 13.6%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.

How common is a college degree in Blaine County, Montana?

21.0% of adults in Blaine County, Montana hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.

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