Carbon County, Montana

Carbon County, Montana, has 11,466 residents (July 2025 estimate). Its county seat is Red Lodge. It uses Mountain Time and covers 2,048 sq mi (5,304 km²) of land.

Carbon County in Montana

Carbon County and its neighbors (simplified outlines). Open in OpenStreetMap ↗

Resident population, July 2025: 11,466
Land area: 2,048 sq mi (5,304 km²)
County seat or government: Red Lodge
Time zone: Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income: $80,261 ± $9,036
Median home value: $420,800 ± $24,845
Median rent, with utilities: $844 ± $113
Homes lived in by their owners: 78% ± 27.4 points
County type: County
Metro or micro area: Billings, MT metro areaOutlying county
Water area: 13.5 sq mi (35 km²)
State: Montana
County code (FIPS): 30009
Coordinates (central point): 45.224468, -109.028554

Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Carbon County

Time zone	Local time and UTC offset	Next clock change
Mountain TimeAmerica/Denver	UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock.	Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

5904412,302 people
590194,438 people
590683,977 people
590412,258 people
590141,510 people
590011,409 people
590701,403 people
59029760 people
59008456 people
59013199 people
5900796 people
5902681 people

All 13

5907142 people

13 ZIP Code areas overlap Carbon County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Carbon County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Carbon County, largest first

Laurel Elementary School District12,529 people
Red Lodge High School District4,205 people
Red Lodge Elementary School District3,762 people
Joliet High School District2,758 people
Joliet Elementary School District2,437 people
Absarokee Elementary School District1,581 people
Bridger K-12 Schools1,371 people
Roberts K-12 Schools1,087 people
Fromberg K-121,029 people
Belfry K-12 Schools666 people
Luther Elementary School District416 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

All 15

Bordering areas, nearest first

Distances are straight lines between map points.

Stillwater County, Montana35 mi northwest
Park County, Wyoming58 mi southwest
Yellowstone County, Montana61 mi northeast
Big Horn County, Wyoming70 mi southeast
Big Horn County, Montana74 mi east
Park County, Montana75 mi west

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.