Sheridan County GIS Maps

Sheridan 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.

Sheridan County Parcels

Sheridan County has 8,127 mapped parcels covering 1,074,016 acres. The median assessed value is $43,244. The median lot size is 80.03 acres. 5,327 parcels are 10 acres or larger. Vacant land accounts for 55.8% of parcels. Improved property follows at 32.3% and exempt property at 7.8%. The records carry 2,871 distinct owner names. About 11% 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 Sheridan County Parcel viewer here.

Sheridan County Parcel Data Coverage

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

Sheridan County Population

Sheridan County had 3,539 residents in 2020. That was 4.6% higher than in 2010. Sheridan County had 566 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 Plentywood, Westby and Medicine Lake.

Population Trend in Sheridan County MT

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

Sheridan County Zip Codes

Sheridan County has 10 zip codes. Some of the county's most populated zip codes include Plentywood (59254), Westby (59275) and Medicine Lake (59247). Plentywood is the largest zip by population, with about 1,937 residents or 55% of the county total. Together, the three largest zips account for about 74% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Sheridan County MT

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

Sheridan County Demographics

Sheridan County has a median age of 44.7, which makes the county a little older than Montana overall. About 21.5% of residents are under 18, while 22.8% 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 27.7% of the population, which points to a solid working-age base. About 24.7% 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 Sheridan County MT

Sheridan County School Districts

Sheridan County is served by 3 public school districts with 486 students enrolled in 2024. The largest districts on the county map are Plentywood K-12 Schools, Medicine Lake K-12 Schools and Westby 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 Sheridan County MT

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

Sheridan County Housing & Real Estate

Sheridan County has a median home value of $111,600 and a median gross rent of $749. About 77% 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 $201,250 and homes spent about 94 days on the market.

Businesses in Sheridan County, MT

Sheridan County has 202 business listings across 121 categories. The largest categories in Sheridan County business listings are Churches & Religious Organizations (10, 5.0%), Bars & Nightlife (7, 3.5%), and Shipping Center (6, 3.0%). The full Sheridan County business listings dataset includes names, categories, addresses and contact details where available. Sheridan County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Sheridan County, MT

Sheridan County Business Listings

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

Sheridan County Basemaps

Sheridan 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.