Valley County GIS Maps

Valley 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.

Valley County Parcels

Valley County has 17,799 mapped parcels covering 3,210,419 acres. The median assessed value is $20,715. The median lot size is 81.21 acres. 12,698 parcels are 10 acres or larger. Vacant land accounts for 43.6% of parcels. Exempt property follows at 25.0% and improved property at 23.4%. The records carry 4,126 distinct owner names. About 7% 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 Valley County Parcel viewer here.

Valley County Parcel Data Coverage

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

Valley County Population

Valley County had 7,578 residents in 2020. That was 2.8% higher than in 2010. Valley County had 97 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 2 people per square mile. Some of the county's most populated postal areas include Glasgow, Nashua and Frazer.

Population Trend in Valley County MT

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

Valley County Zip Codes

Valley County has 10 zip codes. Some of the county's most populated zip codes include Glasgow (59230), Nashua (59248) and Frazer (59225). Glasgow is the largest zip by population, with about 4,623 residents or 61% of the county total. Together, the three largest zips account for about 81% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Valley County MT

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

Valley County Demographics

Valley County has a median age of 43.2, which makes the county a little older than Montana overall. About 22.5% of residents are under 18, while 24.3% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 27.9% of the population, which points to a solid working-age base. About 21.5% 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 Valley County MT

Valley County School Districts

Valley County is served by 3 public school districts with 909 students enrolled in 2024. The largest districts on the county map are Glasgow K-12 Schools, Nashua K-12 Schools and Opheim K-12 Schools. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Valley County MT

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

Valley County Housing & Real Estate

Valley County has a median home value of $198,600 and a median gross rent of $769. About 78% 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 March 2026, the median listing price was $328,000 and homes spent about 115 days on the market.

Businesses in Valley County, MT

Valley County has 464 business listings across 213 categories. The largest categories in Valley County business listings are Churches & Religious Organizations (15, 3.2%), Structure And Geography (15, 3.2%), and Banks & Credit Unions (11, 2.4%). The full Valley County business listings dataset includes names, categories, addresses and contact details where available. Valley County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Valley County, MT

Valley County Business Listings

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

Valley County Basemaps

Valley 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.