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County ProfileMT

Richland County

Population: 11,491 · 5 ZIP codes

Demographics

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

People
Total population
11,491
People
Median age
38.4
Housing
Total households
4,422
Income
Median household income
$73,084
Housing
Total housing units
5,610
Employment
Employment rate
66.4%
Education
Bachelor’s degree or higher
22%
Healthcare
Insured population
95.3%
County details
Local time 00:18:21(MT)
NameRichland
Total ZIP codes5total
ZIP codes (by type)
4 Standard1 PO Box
Area code406
TimezoneMountain Time (MT)
Coordinates47.785633, -104.5634082
Land area2,084.6 sq miles(5,399 km²)

Map of Richland county, Montana with ZIP codes

Map of Richland County, Montana and ZIP codes

Cities and Communities in Richland County

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

CityPopulation
Median incomeHousehold
ZIP codes
Sidney6,346$62,5381ZIPs
Fairview896$86,6671ZIPs
Lambert4531ZIPs
Savage303$86,2501ZIPs
Crane91$79,5451ZIPs

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

ZIP Codes in Richland County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
59270Sidney$72,6308,633
59221Fairview$77,1151,936
59262Savage$76,000702
59243Lambert$83,500453
59217Crane$79,24285

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