Glacier County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 13th-largest in Montana
The population of Glacier County, Montana is 13,713 as of the 2023 American Community Survey, making it the 13th-largest county in Montana. The median household income is $45,129, the median home value is $153,400, and the median age is 34.2.
The population of Glacier County has grown 0.6% since 2010 (13,421 → 13,503), a +0.04% annualized rate.
13,713
Population
+0.04%
Annual growth
5
People / sq mi
$45,129
Median Income
$153,400
Median Home Value
Glacier County covers 2,995 sq mi of land at 4.6 people per square mile.
About Glacier County, MT
Glacier County is a county in Montana with a population of 13,713. It ranks #13 among counties in Montana by population. The median age is 34.2, younger than the national median. The population is 49.1% male and 50.9% female.
The median household income in Glacier County is $45,129, below the US median of $74,580. 22.0% of residents live below the federal poverty level. Home values sit at a median of $153,400, with monthly rent averaging $553. The homeownership rate of 64.9% is close to the national rate of 64.8%.
Educational attainment in Glacier County reflects 18.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 14.7% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 15.0 minutes each way.
Glacier County Population History (2010-2024)
The county of Glacier County had a population of 13,421 in 2010 and 13,503 in 2024, a 0.6% growth over 14 years. The peak was 13,797 in 2018. Average annual growth rate: 0.05%.
13,503
Population (2024)
13,421
Population (2010)
13,797
Peak (2018)
0.05%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,421 |
| 2011 | 13,579 |
| 2012 | 13,671 |
| 2013 | 13,793 |
| 2014 | 13,711 |
| 2015 | 13,647 |
| 2016 | 13,707 |
| 2017 | 13,729 |
| 2018 | 13,797 |
| 2019 | 13,701 |
| 2020 | 13,744 |
| 2021 | 13,723 |
| 2022 | 13,637 |
| 2023 | 13,577 |
| 2024 | 13,503 |
Race & Ethnicity
| White | 30.5% |
| Black or African American | 0.2% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 65.7% |
| Two or More Races | 0.1% |
Age & Sex
34.2
Median Age
50.9%
Female
49.1%
Male
12.8%
Age 65+
Age Distribution
Children (under 15): 25.2% · Seniors (65+): 12.8%
Income & Poverty
| Median household income | $45,129$-24,793 vs state |
| Mean household income | $63,713 |
| Per-capita income | $22,605 |
| Poverty rate | 22.0%+14.9% vs state |
| Unemployment rate | 5.1% |
| Employment-to-population | 49.5% |
Top Industries by Employment
The largest employment sector in Glacier County is professional & business services, accounting for 30.3% of workers.
How residents commute
0.9%
Drive alone
6.6%
Carpool
65.8%
Public transit
14.7%
Work from home
15.0 min
Avg commute
Housing
$153,400$-184,700 vs state
Median home value
$553
Median rent
64.9%
Homeownership rate
5,346
Total housing units
78.1%
Occupied
21.9%
Vacant
35.1%
Renter-occupied
Social & access
70.7%
With health insurance
90.2%
With broadband internet
17.5%
Foreign-born
7.0%
Veterans (18+)
16.9%
With a disability
92.1%
Speak language other than English at home
Education
85.6%
High School+
18.1%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Glacier County, Montana has a population of 13,713 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 13th-largest county in Montana. Population density is 5 people per square mile.
The population of Glacier County has grown 0.6% since 2010 (13,421 → 13,503), a +0.04% annualized rate.
The median household income in Glacier County, Montana is $45,129, with mean (average) household income of $63,713 and per-capita income of $22,605. 22.0% of residents live below the federal poverty level.
In Glacier County, the largest racial and ethnic groups are Hispanic or Latino (65.7%), White (30.5%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Glacier County, Montana is 34.2 years. Residents are 50.9% female and 49.1% male.
The median home value in Glacier County is $153,400 and median monthly rent is $553. 64.9% of occupied housing units are owner-occupied. The county has 5,346 total housing units, 21.9% of which are vacant.
The largest employment sector in Glacier County, Montana is professional, scientific, and management services, employing 30.3% of workers. The unemployment rate is 5.1%.
Billings is among the largest cities associated with Glacier 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.