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.

Broadwater County within Montana · Source: US Census TIGER/Line via us-atlas

7,310

Population

+2.81%

Annual growth

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 a county in Montana with a population of 7,310. It ranks #29 among counties in Montana by population. The median age is 46.2, older than the national median. The population is 51.8% male and 48.2% female.

The median household income in Broadwater County is $63,636, below the US median of $74,580. 7.0% of residents live below the federal poverty level. Home values sit at a median of $364,800, with monthly rent averaging $978. The homeownership rate of 82.2% is higher than the national rate of 64.8%.

Educational attainment in Broadwater County reflects 26.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 28.0 minutes each way.

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	Change	Annual %	Source
2010	5,632	-	-	estimate
2011	5,725	+93	+1.65%	estimate
2012	5,759	+34	+0.59%	estimate
2013	5,678	-81	-1.41%	estimate
2014	5,657	-21	-0.37%	estimate
2015	5,717	+60	+1.06%	estimate
2016	5,787	+70	+1.22%	estimate
2017	5,922	+135	+2.33%	estimate
2018	6,043	+121	+2.04%	estimate
2019	6,203	+160	+2.65%	estimate
2020	6,863	+660	+10.64%	estimate
2021	7,327	+464	+6.76%	estimate
2022	7,787	+460	+6.28%	estimate
2023	8,063	+276	+3.54%	estimate
2024	8,302	+239	+2.96%	estimate

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

Under 5

4.9%

5–9

4.2%

10–14

6.5%

15–19

5.7%

20–24

3.6%

25–34

11.8%

35–44

11.7%

45–54

11.4%

55–59

8.1%

60–64

8.5%

65–74

14.8%

75–84

8.2%

85+

0.6%

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

Professional & business services

19.8%

Construction

13.9%

Information

9.0%

Manufacturing

8.4%

Retail trade

7.3%

Public administration

6.8%

Finance & real estate

5.8%

Agriculture

5.1%

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

Billings (118,321)Missoula (75,600)Great Falls (60,412)Bozeman (55,042)Butte-Silver Bow (34,929)Helena (33,126)Kalispell (26,830)Belgrade (11,425)All Montana cities →

Other counties in Montana

Yellowstone County (167,340)Gallatin County (122,194)Missoula County (119,639)Flathead County (108,445)Cascade County (84,601)Lewis and Clark County (72,580)Ravalli County (45,807)Silver Bow County (35,589)Lake County (32,073)Lincoln County (20,656)All Montana counties →

Part of Montana

Montana demographic profile All Montana data →

Metro areas in Montana

Billings (187,269)Missoula (124,435)Bozeman (122,194)Helena (92,391)Great Falls (84,601)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All 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.