Gallatin County GIS Maps

Gallatin 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.

Gallatin County Parcels

Gallatin County has 53,021 mapped parcels covering 1,657,815 acres. The median assessed value is $665,800. The median lot size is 0.50 acres. 10,571 parcels are 10 acres or larger. Improved property accounts for 66.4% of parcels. Vacant land follows at 17.5% and exempt property at 5.0%. The records carry 40,438 distinct owner names. About 15% of parcels list an owner mailing address outside Montana. Owner names, mailing addresses, assessed values and lot sizes are on nearly every parcel. Site addresses reach 84.6%. Browse the interactive Gallatin County Parcel viewer here.

Gallatin County Parcel Data Coverage

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

Gallatin County Population

Gallatin County had 118,960 residents in 2020. That was 32.9% higher than in 2010. Gallatin County added 51,129 people between 2000 and 2020, which points to steady long-term growth. Bozeman is the largest city in the county, but it accounts for only about 45% of the total population. The county is fairly spread out, with about 46 people per square mile. Some of the county's most populated postal areas include Bozeman, Bozeman and Belgrade.

Population Trend in Gallatin County MT

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

Gallatin County Zip Codes

Gallatin County has 8 zip codes. Some of the county's most populated zip codes include Bozeman (59718), Bozeman (59715) and Belgrade (59714). Bozeman is the largest zip by population, with about 43,831 residents or 37% of the county total. Together, the three largest zips account for about 87% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Gallatin County MT

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

Gallatin County Demographics

Gallatin County has a median age of 33.8, which makes the county a little younger than Montana overall. About 19.2% of residents are under 18, while 13.3% 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 36.2% of the population, which points to a solid working-age base. About 53.1% 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 Gallatin County MT

Gallatin County School Districts

Gallatin County is served by 2 public school districts with 638 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 stayed fairly steady in recent years, based on district totals from 2017 to 2024.

Largest School Districts by Enrollment in Gallatin County MT

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

Gallatin County Housing & Real Estate

Gallatin County has a median home value of $604,900 and a median gross rent of $1,574. About 62% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Montana median, while rents come in above the state average. In March 2026, the median listing price was $899,500 and homes spent about 62 days on the market.

Businesses in Gallatin County, MT

Gallatin County has 7,568 business listings across 814 categories. The largest categories in Gallatin County business listings are Real Estate Agents (201, 2.7%), Contractors (129, 1.7%), and Churches & Religious Organizations (108, 1.4%). The full Gallatin County business listings dataset includes names, categories, addresses and contact details where available. Gallatin County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Gallatin County, MT

Gallatin County Business Listings

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

Gallatin County Basemaps

Gallatin 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.