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County ProfileMT

Liberty County

Population: 1,959 · 4 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
1,959
People
Median age
39.8
Housing
Total households
724
Income
Median household income
$57,857
Housing
Total housing units
837
Employment
Employment rate
57.6%
Education
Bachelor’s degree or higher
27.8%
Healthcare
Insured population
96.6%
County details
Local time 00:16:05(MT)
NameLiberty
Total ZIP codes4total
ZIP codes (by type)
4 Standard
Area code406
TimezoneMountain Time (MT)
Coordinates48.5596541, -111.0369242
Land area1,430 sq miles(3,703.7 km²)

Map of Liberty county, Montana with ZIP codes

Map of Liberty County, Montana and ZIP codes

Cities and Communities in Liberty County

Compare the largest cities in Liberty County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Chester847$53,7501ZIPs
Joplin159$67,8911ZIPs
Lothair341ZIPs
Whitlash41ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Liberty County

Review the most populated postal areas across Liberty County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
59522Chester$57,2121,371
59531Joplin$67,891279
59461Lothair34
59545Whitlash$100,78130

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS