Yellowstone County GIS Maps

Yellowstone 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.

Yellowstone County Parcels

Yellowstone County has 83,757 mapped parcels covering 1,667,005 acres. The median assessed value is $316,815. The median lot size is 0.24 acres. 9,808 parcels are 10 acres or larger. Improved property accounts for 69.5% of parcels. Vacant land follows at 14.1% and condominiums at 5.6%. The records carry 61,209 distinct owner names. About 6% of parcels list an owner mailing address outside Montana. Owner names, mailing addresses and lot sizes are on nearly every parcel. Site addresses reach 87.9%. Assessed values reach 97.9%. Browse the interactive Yellowstone County Parcel viewer here.

Yellowstone County Parcel Data Coverage

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

Yellowstone County Population

Yellowstone County had 164,731 residents in 2020. That was 11.3% higher than in 2010. Yellowstone County added 35,379 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 63 people per square mile. Some of the county's most populated postal areas include Billings, Billings and Billings.

Population Trend in Yellowstone County MT

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

Yellowstone County Zip Codes

Yellowstone County has 12 zip codes. Some of the county's most populated zip codes include Billings (59102), Billings (59101) and Billings (59105). Billings is the largest zip by population, with about 48,133 residents or 29% of the county total. Together, the three largest zips account for about 75% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Yellowstone County MT

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

Yellowstone County Demographics

Yellowstone County has a median age of 38.7, which makes the county a little younger than Montana overall. About 23.2% of residents are under 18, while 17.8% 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 32.8% of the population, which points to a solid working-age base. About 33.9% 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 Yellowstone County MT

Yellowstone County School Districts

Yellowstone County is served by 3 public school districts with 2,419 students enrolled in 2024. The largest districts on the county map are Lockwood K-12, Huntley Project K-12 Schools and Custer K-12 Schools. 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 Yellowstone County MT

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

Yellowstone County Housing & Real Estate

Yellowstone County has a median home value of $317,600 and a median gross rent of $1,084. About 69% 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 above the state average. In March 2026, the median listing price was $459,725 and homes spent about 50 days on the market.

Businesses in Yellowstone County, MT

Yellowstone County has 8,676 business listings across 861 categories. The largest categories in Yellowstone County business listings are Medical Offices (173, 2.0%), Real Estate Agents (155, 1.8%), and Auto Repair (152, 1.8%). The full Yellowstone County business listings dataset includes names, categories, addresses and contact details where available. Yellowstone County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Yellowstone County, MT

Yellowstone County Business Listings

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

Yellowstone County Basemaps

Yellowstone 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.