Cascade County, Montana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Cascade 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.
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B
Health Around average
-
C
Income Below average
-
D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Cascade County | Montana Avg | U.S. Average |
|---|---|---|---|
| Population | 84,603 | 1,116,812 | 337,468,954 |
| Population density (per sq mi) | 31.2 | 7.6 | 86.4 |
| Population growth (%/yr) | 0.39% | 1.09% | 0.59% |
| Median age | 37.0 | 40.7 | 37.3 |
| Households | 35,613 | 458,835 | 130,235,071 |
Population in Cascade County grew by 3.3% from 2009 to 2024, reaching 84,603 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Cascade County is Gen Z, aged 13–28, at 21.4% of residents. That is about the same share as Montana.
- Gen Z 13–28 18,122 21.4% on par
- Millennials 29–44 17,415 20.6% +0.1 pts
- Gen X 45–60 15,471 18.3% -1.2 pts
- Boomers 61–79 16,139 19.1% -0.3 pts
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 49.3% of the people living in Cascade County and men 50.7%.
- Women 49.3% Montana 49.4%
- Men 50.7% Montana 50.6%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Cascade County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Cascade County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Cascade County | Montana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $67,044 | $72,476 | $80,455 |
| Income growth (%/yr) | 5.00% | 5.17% | 4.80% |
| Unemployment rate | 3.1% | 3.6% | 5.2% |
The median household income in Cascade County is about 7% lower than in Montana.
Housing
| Metric | Cascade County | Montana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $239,166 | $249,140 | $248,835 |
| Median rent | $939 | $1,081 | $1,407 |
| Homeownership rate | 68.5% | 69.2% | 65.2% |
The median home price in Cascade County is about 21.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $939 per month for that long.
Commute Time & Mobility
Commuters in Cascade County spend about 28 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 116 hours, about 4.8 full days, spent commuting.
| Metric | Cascade County | Montana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 13.9 | 16.0 | 22.4 |
| Round-trip commute (min) | 27.9 | 32.1 | 44.8 |
| Yearly time spent (hours) | 116 | 134 | 187 |
| Estimated yearly cost | $3,599 | $4,143 | $5,790 |
| Work from home | 7.4% | 12.5% | 15.0% |
| Highway traffic (vehicles/day) | 1,701 | 2,162 | 8,813 |
| Local road traffic (vehicles/day) | 838 | 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 Cascade County is 14 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.
Education & Households
Cascade County has a education index of D, which means it is barely educated.
| Metric | Cascade County | Montana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 25.2% | 31.3% | 31.6% |
| Average household size | 2.30 | 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
Cascade County has a health index of B, which means it is quite healthy.
| Metric | Cascade County | Montana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.9 | 79.0 | 78.3 |
| Self-rated poor health | 14.4% | 14.7% | 16.3% |
| Smokers | 19.3% | 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).
Cascade County, MT Compared With Nearby Counties
How Cascade County, MT compares with the 1 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Cascade County, MT | 84,603 | $67,044 #2/2 | $239,166 #2/2 | 13.9 min #1/2 |
| Lewis and Clark County, MT | 73,430 | $79,279 | $310,934 | 16.2 min |
Frequently Asked Questions
Common questions about Cascade County, Montana.
How big is Cascade County, Montana by population?
About 84,603 people live in Cascade County, Montana, in 35,613 households of 2.3 people on average. The median age is 37.0, close to the U.S. median of 37.3.
How densely populated is Cascade County, Montana?
Averaged over its land area, Cascade County, Montana has 31 people per square mile, a density typical of rural areas. That is about 36% of the U.S. average of 86.
Can a typical household afford a home in Cascade County, Montana?
The median home costs 3.6 times the median household income ($239,166 against $67,044), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $939 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Cascade County, Montana?
Unemployment in Cascade County, Montana is only 3.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
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