Treasure County GIS Maps

Treasure County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Treasure County Parcels

Treasure County has 2,114 mapped parcels covering 621,033 acres. The median assessed value is $28,410. The median lot size is 239.47 acres. 1,720 parcels are 10 acres or larger. Vacant land accounts for 69.1% of parcels. Improved property follows at 21.0% and exempt property at 5.8%. The records carry 577 distinct owner names. About 13% of parcels list an owner mailing address outside Montana. Owner names, mailing addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Treasure County Parcel viewer here.

Treasure County Parcel Data Coverage

Field coverage measured across all Treasure County parcel records. Download free sample data here.

Treasure County Population

Treasure County had 762 residents in 2020. That was 6.1% higher than in 2010. Treasure County had 99 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 1 people per square mile. Some of the county's most populated postal areas include Hysham, Bighorn and Hysham.

Population Trend in Treasure County MT

Treasure County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Treasure County Zip Codes

Treasure County has 3 zip codes. Some of the county's most populated zip codes include Hysham (59038), Bighorn (59010) and Hysham (59076). Hysham is the largest zip by population, with about 660 residents or 87% of the county total. Together, the three largest zips account for about 113% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Treasure County MT

Treasure County Zip Code populations and trends per most recent census data.

Treasure County Demographics

Treasure County has a median age of 53.4, which makes the county a little older than Montana overall. About 15.8% of residents are under 18, while 22.6% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 45 to 64 at about 30.2% of the population, which points to a solid working-age base. About 32.8% of adults have a bachelor's degree or higher, above the statewide figure of 34.5%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Treasure County MT

Treasure County School Districts

Treasure County is served by 1 public school district with 92 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Treasure County MT

Treasure County school district enrollment and trends per most recent NCES reporting data.

Treasure County Housing & Real Estate

Treasure County has a median home value of $215,300 and a median gross rent of $992. About 66% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Montana median, while rents come in below the state average. In February 2026, the median listing price was $2,300,000 and homes spent about 70 days on the market.

Businesses in Treasure County, MT

Treasure County has 45 business listings across 33 categories. The largest categories in Treasure County business listings are River (7, 15.6%), Landmark And Historical Building (3, 6.7%), and Structure And Geography (3, 6.7%). The full Treasure County business listings dataset includes names, categories, addresses and contact details where available. Treasure County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Treasure County, MT

Treasure County Business Listings

Treasure County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Treasure County Basemaps

Treasure County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Montana — explore the full structure before you buy.