Broadwater County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 29th-largest in Montana
The population of Broadwater County, Montana is 7,310 as of the 2023 American Community Survey, making it the 29th-largest county in Montana. The median household income is $63,636, the median home value is $364,800, and the median age is 46.2.
The population of Broadwater County has grown 47.4% since 2010 (5,632 → 8,302), a +2.81% annualized rate.
7,310
Population
+2.81%
Annual growth
6
People / sq mi
$63,636
Median Income
$364,800
Median Home Value
Broadwater County covers 1,192 sq mi of land at 6.1 people per square mile.
About Broadwater County, MT
Broadwater County is distinguished by its share of foreign-born residents, 51.8% of the population. With 7,310 residents, Broadwater County is a county in Montana. It ranks #29 among counties in Montana by population.
Median household income is $63,636, below the US median of $78,538. The poverty rate, 7.0%, is on the lower side for US counties and below the national 12.4%. Housing is expensive: the median home is worth $364,800, with typical rent around $978.
26.3% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 10.1%, and the average commute runs about 28 minutes each way.
The large foreign-born share is a defining thread in Broadwater County, shaping language, household composition, and the labor force behind the economic figures above.
Broadwater County Population History (2010-2024)
The county of Broadwater County had a population of 5,632 in 2010 and 8,302 in 2024, a 47.4% growth over 14 years. The peak was 8,302 in 2024. Average annual growth rate: 2.85%.
8,302
Population (2024)
5,632
Population (2010)
8,302
Peak (2024)
2.85%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 5,632 |
| 2011 | 5,725 |
| 2012 | 5,759 |
| 2013 | 5,678 |
| 2014 | 5,657 |
| 2015 | 5,717 |
| 2016 | 5,787 |
| 2017 | 5,922 |
| 2018 | 6,043 |
| 2019 | 6,203 |
| 2020 | 6,863 |
| 2021 | 7,327 |
| 2022 | 7,787 |
| 2023 | 8,063 |
| 2024 | 8,302 |
Race & Ethnicity
| White | 90.2% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.5% |
| Two or More Races | 0.0% |
Age & Sex
46.2
Median Age
48.2%
Female
51.8%
Male
23.6%
Age 65+
Age Distribution
Children (under 15): 15.6% · Seniors (65+): 23.6%
Income & Poverty
| Median household income | $63,636$-6,286 vs state |
| Mean household income | $84,945 |
| Per-capita income | $38,093 |
| Poverty rate | 7.0%-0.1% vs state |
| Unemployment rate | 2.6% |
| Employment-to-population | 58.5% |
Top Industries by Employment
The largest employment sector in Broadwater County is professional & business services, accounting for 19.8% of workers.
How residents commute
0.0%
Drive alone
0.1%
Carpool
79.0%
Public transit
10.1%
Work from home
28.0 min
Avg commute
Housing
$364,800+$26,700 vs state
Median home value
$978
Median rent
82.2%
Homeownership rate
3,164
Total housing units
91.3%
Occupied
8.7%
Vacant
17.8%
Renter-occupied
Social & access
93.4%
With health insurance
88.7%
With broadband internet
51.8%
Foreign-born
10.9%
Veterans (18+)
15.0%
With a disability
97.2%
Speak language other than English at home
Education
91.0%
High School+
26.3%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Broadwater County, Montana has a population of 7,310 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 29th-largest county in Montana. Population density is 6 people per square mile.
The population of Broadwater County has grown 47.4% since 2010 (5,632 → 8,302), a +2.81% annualized rate.
The median household income in Broadwater County, Montana is $63,636, with mean (average) household income of $84,945 and per-capita income of $38,093. 7.0% of residents live below the federal poverty level.
In Broadwater County, the largest racial and ethnic groups are White (90.2%), Hispanic or Latino (4.5%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Broadwater County, Montana is 46.2 years. Residents are 48.2% female and 51.8% male.
The median home value in Broadwater County is $364,800 and median monthly rent is $978. 82.2% of occupied housing units are owner-occupied. The county has 3,164 total housing units, 8.7% of which are vacant.
The largest employment sector in Broadwater County, Montana is professional, scientific, and management services, employing 19.8% of workers. The unemployment rate is 2.6%.
Billings is among the largest cities associated with Broadwater 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.