Madison County, Montana

Madison County, Montana, has 10,026 residents (July 2025 estimate). Its county seat is Virginia City. It uses Mountain Time and covers 3,588 sq mi (9,293 km²) of land.

Madison County in Montana

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

Resident population, July 2025: 10,026
Land area: 3,588 sq mi (9,293 km²)
County seat or government: Virginia City
Time zone: Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income: $75,250 ± $4,431
Median home value: $470,100 ± $34,219
Median rent, with utilities: $1,000 ± $277
Homes lived in by their owners: 81% ± 0.7 points
County type: County
Metro or micro area: Outside any metro or micro areaNext to: Bozeman, MT metro area, Butte-Silver Bow, MT micro area, Helena, MT metro area, and Rexburg, ID micro area
Water area: 15.4 sq mi (39.8 km²)
State: Montana
County code (FIPS): 30057
Coordinates (central point): 45.325290, -111.913791

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 Madison 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

597258,343 people
597593,631 people
597293,258 people
597302,399 people
597492,029 people
597161,795 people
59754980 people
59735440 people
59740428 people
59721423 people
59710226 people
59720220 people

All 18

59751215 people
59732195 people
59755170 people
59743165 people
59747122 people
5974598 people

18 ZIP Code areas overlap Madison 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

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Madison County, largest first

Ennis K-12 Schools4,372 people
Whitehall High School District4,103 people
Whitehall Elementary School District3,363 people
Sheridan High School District2,298 people
Sheridan Elementary School District2,072 people
Twin Bridges K-12 Schools1,369 people
Harrison K-12 Schools660 people
Cardwell Elementary School District557 people
Alder Elementary School District226 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 14

Norris, Montana (CDP)17 people
Mammoth, Montana (CDP)15 people

Bordering areas, nearest first

Distances are straight lines between map points.

Gallatin County, Montana39 mi east
Beaverhead County, Montana49 mi west
Silver Bow County, Montana53 mi northwest
Jefferson County, Montana56 mi north
Fremont County, Idaho79 mi south

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.