Valley County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 28th-largest in Montana
The population of Valley County, Montana is 7,540 as of the 2023 American Community Survey, making it the 28th-largest county in Montana. The median household income is $64,515, the median home value is $198,600, and the median age is 43.2.
The population of Valley County has grown 0.8% since 2010 (7,378 → 7,434), a +0.05% annualized rate.
7,540
Population
+0.05%
Annual growth
2
People / sq mi
$64,515
Median Income
$198,600
Median Home Value
Valley County covers 4,926 sq mi of land at 1.5 people per square mile.
About Valley County, MT
What distinguishes Valley County is density: among the most sparsely settled of US counties, around 2 people per square mile. With 7,540 residents, Valley County is a county in Montana. It ranks #28 among counties in Montana by population.
The typical household here earns about $64,515, below the US median of $78,538. About 7.1% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $198,600, with typical rent around $769.
Roughly 21.5% of adults have a bachelor’s, below the national 35.0%. An unusually large 17.9% of workers are remote, above the national 14.0%, and the average commute runs about 15 minutes each way.
Valley County Population History (2010-2024)
The county of Valley County had a population of 7,378 in 2010 and 7,434 in 2024, a 0.8% growth over 14 years. The peak was 7,636 in 2013. Average annual growth rate: 0.06%.
7,434
Population (2024)
7,378
Population (2010)
7,636
Peak (2013)
0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,378 |
| 2011 | 7,463 |
| 2012 | 7,506 |
| 2013 | 7,636 |
| 2014 | 7,636 |
| 2015 | 7,630 |
| 2016 | 7,548 |
| 2017 | 7,413 |
| 2018 | 7,409 |
| 2019 | 7,390 |
| 2020 | 7,561 |
| 2021 | 7,566 |
| 2022 | 7,560 |
| 2023 | 7,475 |
| 2024 | 7,434 |
Race & Ethnicity
| White | 84.9% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 11.5% |
| Two or More Races | 0.0% |
Age & Sex
43.2
Median Age
49.6%
Female
50.4%
Male
24.3%
Age 65+
Age Distribution
Children (under 15): 18.3% · Seniors (65+): 24.3%
Income & Poverty
| Median household income | $64,515$-5,407 vs state |
| Mean household income | $77,051 |
| Per-capita income | $31,869 |
| Poverty rate | 7.1% |
| Unemployment rate | 2.0% |
| Employment-to-population | 58.6% |
Top Industries by Employment
The largest employment sector in Valley County is professional & business services, accounting for 22.6% of workers.
How residents commute
1.0%
Drive alone
4.5%
Carpool
65.2%
Public transit
17.9%
Work from home
15.2 min
Avg commute
Housing
$198,600$-139,500 vs state
Median home value
$769
Median rent
77.7%
Homeownership rate
4,253
Total housing units
69.6%
Occupied
30.4%
Vacant
22.3%
Renter-occupied
Social & access
93.6%
With health insurance
92.0%
With broadband internet
27.4%
Foreign-born
8.2%
Veterans (18+)
15.0%
With a disability
98.5%
Speak language other than English at home
Education
94.7%
High School+
21.5%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Valley County, Montana has a population of 7,540 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 28th-largest county in Montana. Population density is 2 people per square mile.
The population of Valley County has grown 0.8% since 2010 (7,378 → 7,434), a +0.05% annualized rate.
The median household income in Valley County, Montana is $64,515, with mean (average) household income of $77,051 and per-capita income of $31,869. 7.1% of residents live below the federal poverty level.
In Valley County, the largest racial and ethnic groups are White (84.9%), Hispanic or Latino (11.5%), 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 Valley County, Montana is 43.2 years. Residents are 49.6% female and 50.4% male.
The median home value in Valley County is $198,600 and median monthly rent is $769. 77.7% of occupied housing units are owner-occupied. The county has 4,253 total housing units, 30.4% of which are vacant.
The largest employment sector in Valley County, Montana is professional, scientific, and management services, employing 22.6% of workers. The unemployment rate is 2.0%.
Billings is among the largest cities associated with Valley County, Montana, with a population of 118,321.
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Statewide data for Montana
Population, race, income, age, and trends across Montana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.