Treasure County, Montana

Treasure County, Montana, has 728 residents (July 2025 estimate). Its county seat is Hysham. It uses Mountain Time and covers 978 sq mi (2,532 km²) of land.

BillingsMissoulaGreat Falls
Treasure County in Montana
Rosebud CountyHysham
Treasure County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
728
Land area
978 sq mi (2,532 km²)
County seat or government
Hysham
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$67,917 ± $17,213
Median home value
$230,300 ± $34,466
Median rent, with utilities
$850 ± $509
Homes lived in by their owners
68.3% ± 2.9 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Billings, MT metro area
Water area
6.62 sq mi (17.1 km²)
State
Montana
County code (FIPS)
30103
Coordinates (central point)
46.227113, -107.275296

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 Treasure County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-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

  1. 59038750 people
  2. 59010220 people
  3. 5907626 people

3 ZIP Code areas overlap Treasure 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

Treasure 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 Treasure County, largest first

  1. Hysham K-12 Schools732 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.

  1. Hysham, Montana (town)251 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Rosebud County, Montana29 mi east
  2. Yellowstone County, Montana52 mi west
  3. Big Horn County, Montana58 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.