Fergus County, Montana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Fergus 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
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C
Income Below average
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C
Education Below averageBetter educated than 76% of counties in Montana
Source: Map AI Methodology
Population: density and quick facts
| Metric | Fergus County | Montana Avg | U.S. Average |
|---|---|---|---|
| Population | 11,687 | 1,116,812 | 337,468,954 |
| Population density (per sq mi) | 2.7 | 7.6 | 86.4 |
| Population growth (%/yr) | 0.28% | 1.09% | 0.59% |
| Median age | 43.2 | 40.7 | 37.3 |
| Households | 5,302 | 458,835 | 130,235,071 |
Population in Fergus County grew by 4.2% from 2009 to 2024, reaching 11,687 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Fergus County is Boomers, aged 61–79, at 23.7% of residents. That is 4.3 points above Montana as a whole.
- Gen Z 13–28 2,014 17.2% -4.2 pts
- Millennials 29–44 2,099 18.0% -2.5 pts
- Gen X 45–60 2,476 21.2% +1.7 pts
- Boomers 61–79 2,773 23.7% +4.3 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 48.7% of the people living in Fergus County and men 51.3%.
- Women 48.7% Montana 49.4%
- Men 51.3% Montana 50.6%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Fergus County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Fergus County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Fergus County | Montana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $63,883 | $72,476 | $80,455 |
| Income growth (%/yr) | 5.02% | 5.17% | 4.80% |
| Unemployment rate | 4.2% | 3.6% | 5.2% |
The median household income in Fergus County is about 12% lower than in Montana.
Housing
| Metric | Fergus County | Montana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $162,717 | $249,140 | $248,835 |
| Median rent | $953 | $1,081 | $1,407 |
| Homeownership rate | 63.4% | 69.2% | 65.2% |
The median home price in Fergus County is about 14.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $953 per month for that long.
Commute Time & Mobility
Commuters in Fergus 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 91 hours, about 3.8 full days, spent commuting.
| Metric | Fergus County | Montana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 10.9 | 16.0 | 22.4 |
| Round-trip commute (min) | 21.7 | 32.1 | 44.8 |
| Yearly time spent (hours) | 91 | 134 | 187 |
| Estimated yearly cost | $2,809 | $4,143 | $5,790 |
| Work from home | 16.8% | 12.5% | 15.0% |
| Highway traffic (vehicles/day) | 1,133 | 2,162 | 8,813 |
| Local road traffic (vehicles/day) | 143 | 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 Fergus 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.
Education & Households
Fergus County has a education index of C, which means it is somewhat educated.
| Metric | Fergus County | Montana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 26.9% | 31.3% | 31.6% |
| Average household size | 2.12 | 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
Fergus County has a health index of B, which means it is quite healthy.
| Metric | Fergus County | Montana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.5 | 79.0 | 78.3 |
| Self-rated poor health | 13.8% | 14.7% | 16.3% |
| Smokers | 16.4% | 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).
Frequently Asked Questions
Common questions about Fergus County, Montana.
What is the population of Fergus County, Montana?
About 11,687 people live in Fergus County, Montana, in 5,302 households of 2.1 people on average. The median age is 43.2, so residents are older than the U.S. median of 37.3 by about 6 years.
How densely populated is Fergus County, Montana?
Averaged over its land area, Fergus County, Montana has 3 people per square mile, a density typical of rural areas. That is about 3% of the U.S. average of 86.
Can a typical household afford a home in Fergus County, Montana?
The median home costs 2.5 times the median household income ($162,717 against $63,883), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $953 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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