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Population Review

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.

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

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%.

2018 · 2K20102024

1,934

Population (2024)

2,349

Population (2010)

2,440

Peak (2018)

-1.25%

Avg Annual Growth

YearPopulation
20102,349
20112,381
20122,396
20132,364
20142,351
20152,395
20162,413
20172,415
20182,440
20192,386
20201,958
20211,937
20221,972
20231,959
20241,934

Race & Ethnicity

White95.9%
Black or African American0.0%
Asian0.4%
Hispanic or Latino (any race)2.2%
Two or More Races0.0%

Age & Sex

37.5

Median Age

54.5%

Female

45.5%

Male

20.6%

Age 65+

Age Distribution

Under 5
8.4%
5–9
9.5%
10–14
9.2%
15–19
3.8%
20–24
1.4%
25–34
12.7%
35–44
15.8%
45–54
8.9%
55–59
5.4%
60–64
4.2%
65–74
5.1%
75–84
9.2%
85+
6.3%

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 rate18.5%+11.4% vs state
Unemployment rate0.1%
Employment-to-population57.3%

Top Industries by Employment

Agriculture
31.1%
Professional & business services
23.5%
Public administration
11.6%
Construction
10.0%
Finance & real estate
4.0%
Education & health care
2.6%
Transportation & utilities
1.9%
Retail trade
1.4%

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.