Beaverhead County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 22nd-largest in Montana
The population of Beaverhead County, Montana is 9,590 as of the 2023 American Community Survey, making it the 22nd-largest county in Montana. The median household income is $58,072, the median home value is $282,000, and the median age is 43.4.
The population of Beaverhead County has grown 8.1% since 2010 (9,257 → 10,006), a +0.56% annualized rate.
9,590
Population
+0.56%
Annual growth
2
People / sq mi
$58,072
Median Income
$282,000
Median Home Value
Beaverhead County covers 5,543 sq mi of land at 1.7 people per square mile.
About Beaverhead County, MT
Beaverhead County stands apart on settlement density — it is among the most sparsely settled of US counties, at roughly 2 people per square mile. Beaverhead County is a county in Montana with a population of 9,590. It ranks #22 among counties in Montana by population.
Household earnings are middling, with a median of $58,072 — below the US median of $78,538. The poverty rate is 8.0%, below the national 12.4%. Home values run above average at $282,000, with typical rent around $800.
About 35.5% of adults 25 and older have a bachelor’s degree, near the 35.0% national figure. Around 7.5% of workers work from home, below the national 14.0%, and the average commute runs about 18 minutes each way.
Beaverhead County Population History (2010-2024)
The county of Beaverhead County had a population of 9,257 in 2010 and 10,006 in 2024, a 8.1% growth over 14 years. The peak was 10,006 in 2024. Average annual growth rate: 0.56%.
10,006
Population (2024)
9,257
Population (2010)
10,006
Peak (2024)
0.56%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,257 |
| 2011 | 9,214 |
| 2012 | 9,361 |
| 2013 | 9,307 |
| 2014 | 9,340 |
| 2015 | 9,303 |
| 2016 | 9,462 |
| 2017 | 9,436 |
| 2018 | 9,413 |
| 2019 | 9,474 |
| 2020 | 9,377 |
| 2021 | 9,551 |
| 2022 | 9,742 |
| 2023 | 9,889 |
| 2024 | 10,006 |
Race & Ethnicity
| White | 92.3% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.0% |
| Two or More Races | 0.0% |
Age & Sex
43.4
Median Age
48.5%
Female
51.5%
Male
23.6%
Age 65+
Age Distribution
Children (under 15): 13.7% · Seniors (65+): 23.6%
Income & Poverty
| Median household income | $58,072$-11,850 vs state |
| Mean household income | $75,421 |
| Per-capita income | $34,683 |
| Poverty rate | 8.0%+0.9% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 55.6% |
Top Industries by Employment
The largest employment sector in Beaverhead County is professional & business services, accounting for 25.9% of workers.
How residents commute
1.1%
Drive alone
4.8%
Carpool
76.0%
Public transit
7.5%
Work from home
18.4 min
Avg commute
Housing
$282,000$-56,100 vs state
Median home value
$800
Median rent
67.3%
Homeownership rate
4,973
Total housing units
82.9%
Occupied
17.1%
Vacant
32.7%
Renter-occupied
Social & access
94.4%
With health insurance
93.9%
With broadband internet
46.6%
Foreign-born
9.0%
Veterans (18+)
18.6%
With a disability
96.9%
Speak language other than English at home
Education
93.0%
High School+
35.5%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Beaverhead County, Montana has a population of 9,590 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 22nd-largest county in Montana. Population density is 2 people per square mile.
The population of Beaverhead County has grown 8.1% since 2010 (9,257 → 10,006), a +0.56% annualized rate.
The median household income in Beaverhead County, Montana is $58,072, with mean (average) household income of $75,421 and per-capita income of $34,683. 8.0% of residents live below the federal poverty level.
In Beaverhead County, the largest racial and ethnic groups are White (92.3%), Hispanic or Latino (3.0%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Beaverhead County, Montana is 43.4 years. Residents are 48.5% female and 51.5% male.
The median home value in Beaverhead County is $282,000 and median monthly rent is $800. 67.3% of occupied housing units are owner-occupied. The county has 4,973 total housing units, 17.1% of which are vacant.
The largest employment sector in Beaverhead County, Montana is professional, scientific, and management services, employing 25.9% of workers. The unemployment rate is 1.6%.
Billings is among the largest cities associated with Beaverhead County, Montana, with a population of 118,321.
Beaverhead County, MT Climate
Beaverhead County, MT has an average annual temperature of 4.9°C (41°F) and receives about 263 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
4.9°C
Avg Temp
263
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 22° | 9 mm |
| February | -4° / 25° | 6 mm |
| March | -1° / 31° | 12 mm |
| April | 3° / 38° | 22 mm |
| May | 8° / 46° | 45 mm |
| June | 13° / 55° | 46 mm |
| July | 17° / 63° | 28 mm |
| August | 17° / 62° | 30 mm |
| September | 12° / 53° | 29 mm |
| October | 6° / 43° | 15 mm |
| November | -1° / 30° | 11 mm |
| December | -5° / 22° | 10 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Beaverhead County, MT
The most comfortable months to visit Beaverhead County, MT are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 27°C high). The coldest is January (near -12°C low). June is usually the wettest month.
Where to stay near Beaverhead County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.