Liberty County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 46th-largest in Montana
The population of Liberty County, Montana is 1,968 as of the 2023 American Community Survey, making it the 46th-largest county in Montana. The median household income is $53,264, the median home value is $116,800, and the median age is 37.5.
The population of Liberty County has declined 17.7% since 2010 (2,349 → 1,934), a -1.38% annualized rate.
1,968
Population
-1.38%
Annual growth
1
People / sq mi
$53,264
Median Income
$116,800
Median Home Value
Liberty County covers 1,430 sq mi of land at 1.4 people per square mile.
About Liberty County, MT
Liberty County is a county in Montana with a population of 1,968. It ranks #46 among counties in Montana by population. The median age is 37.5, younger than the national median. The population is 45.5% male and 54.5% female.
The median household income in Liberty County is $53,264, below the US median of $74,580. 18.5% of residents live below the federal poverty level. Home values sit at a median of $116,800, with monthly rent averaging $668. The homeownership rate of 64.2% is close to the national rate of 64.8%.
Educational attainment in Liberty County reflects 27.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 31.2% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 17.0 minutes each way.
Liberty County Population History (2010-2024)
The county of Liberty County had a population of 2,349 in 2010 and 1,934 in 2024, a -17.7% growth over 14 years. The peak was 2,440 in 2018. Average annual growth rate: -1.25%.
1,934
Population (2024)
2,349
Population (2010)
2,440
Peak (2018)
-1.25%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 2,349 |
| 2011 | 2,381 |
| 2012 | 2,396 |
| 2013 | 2,364 |
| 2014 | 2,351 |
| 2015 | 2,395 |
| 2016 | 2,413 |
| 2017 | 2,415 |
| 2018 | 2,440 |
| 2019 | 2,386 |
| 2020 | 1,958 |
| 2021 | 1,937 |
| 2022 | 1,972 |
| 2023 | 1,959 |
| 2024 | 1,934 |
Race & Ethnicity
| White | 95.9% |
| Black or African American | 0.0% |
| Asian | 0.4% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 0.0% |
Age & Sex
37.5
Median Age
54.5%
Female
45.5%
Male
20.6%
Age 65+
Age Distribution
Children (under 15): 27.1% · Seniors (65+): 20.6%
Income & Poverty
| Median household income | $53,264$-16,658 vs state |
| Mean household income | $80,330 |
| Per-capita income | $32,500 |
| Poverty rate | 18.5%+11.4% vs state |
| Unemployment rate | 0.1% |
| Employment-to-population | 57.3% |
Top Industries by Employment
The largest employment sector in Liberty County is agriculture, accounting for 31.1% of workers.
How residents commute
0.0%
Drive alone
11.7%
Carpool
47.7%
Public transit
31.2%
Work from home
17.0 min
Avg commute
Housing
$116,800$-221,300 vs state
Median home value
$668
Median rent
64.2%
Homeownership rate
832
Total housing units
82.3%
Occupied
17.7%
Vacant
35.8%
Renter-occupied
Social & access
95.6%
With health insurance
87.4%
With broadband internet
14.3%
Foreign-born
8.5%
Veterans (18+)
18.4%
With a disability
85.8%
Speak language other than English at home
Education
81.1%
High School+
27.3%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Liberty County, Montana has a population of 1,968 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 46th-largest county in Montana. Population density is 1 people per square mile.
The population of Liberty County has declined 17.7% since 2010 (2,349 → 1,934), a -1.38% annualized rate.
The median household income in Liberty County, Montana is $53,264, with mean (average) household income of $80,330 and per-capita income of $32,500. 18.5% of residents live below the federal poverty level.
In Liberty County, the largest racial and ethnic groups are White (95.9%), Hispanic or Latino (2.2%), Asian (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Liberty County, Montana is 37.5 years. Residents are 54.5% female and 45.5% male.
The median home value in Liberty County is $116,800 and median monthly rent is $668. 64.2% of occupied housing units are owner-occupied. The county has 832 total housing units, 17.7% of which are vacant.
The largest employment sector in Liberty County, Montana is agriculture, forestry, fishing, and mining, employing 31.1% of workers. The unemployment rate is 0.1%.
Billings is among the largest cities associated with Liberty 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.