Fergus County GIS Maps

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Fergus County, Montana, has 11,446 residents across 20,670 parcels and covers 4,339.3 square miles. The population declined 1.2% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Fergus County is 30027.

Lewistown is the county's largest population center. Fergus County also includes 9 zip codes, 2 public school districts and 19 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.

Open the Interactive Parcel Viewer Open the Interactive Parcel Viewer

Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.

Fergus County Trends

Population
11,446▾
Median Home Value
$202,700▴
K-12 Enrollment
178▾
Fergus County in Montana

County analytics dashboards with historical trends & projections included in package downloads.

Fergus 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.

Fergus County Parcels

Fergus County has 20,670 mapped parcels covering 2,775,714 acres. The median assessed value is $30,579. The median lot size is 54.60 acres. 13,860 parcels are 10 acres or larger. Vacant land accounts for 53.7% of parcels. Improved property follows at 31.1% and exempt property at 13.7%. The records carry 6,596 distinct owner names. About 10% 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 Fergus County Parcel viewer here.

Fergus County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 20,670 100%
Owner name 20,663 99.9%
Owner mailing address 20,663 99.9%
Site address 8,188 39.6%
Land use code 0 0%
Land use description 20,663 99.9%
Assessed value 20,642 99.9%
Land value 20,642 99.9%
Improvement value 20,642 99.9%
Acreage 20,670 100%
Parcel boundary 20,670 100%
Download all Fergus County parcels.

Field coverage measured across all Fergus County parcel records.

Fergus County Population

Fergus County had 11,446 residents in 2020. That was 1.2% lower than in 2010. Fergus County had 447 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 3 people per square mile. Some of the county's most populated postal areas include Lewistown, Moore and Grass Range.

Population Trend in Fergus County MT

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

Fergus County Zip Codes

Fergus County has 9 zip codes. Some of the county's most populated zip codes include Lewistown (59457), Moore (59464) and Grass Range (59032). Lewistown is the largest zip by population, with about 8,894 residents or 78% 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 Fergus County MT

ZIP Area Population Trend
59457 Lewistown 8,894 ▾ -2.3%
59464 Moore 607 ▴ 21.4%
59032 Grass Range 491 ▴ 20.3%
59430 Denton 393 ▾ -13.4%
59489 Winifred 357 ▾ -9.8%
Download all zip code data

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

Fergus County Demographics

Fergus County has a median age of 45.3, which makes the county a little older than Montana overall. About 20.7% of residents are under 18, while 24.7% 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 28.2% of the population, which points to a solid working-age base. About 23.8% 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 Fergus County MT

Median Age

45.3

Under 18

20.7%

Age 65+

24.7%

Bachelor's+

23.8%

Fergus County School Districts

Fergus County is served by 2 public school districts with 178 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 Fergus County MT

District Enrollment Share Trend
Winifred K-12 Schools 152 85.4% ▾ -8.4%
Roy K-12 Schools 26 14.6% ▾ -10.3%
Download all school district data

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

Fergus County Housing & Real Estate

Fergus County has a median home value of $202,700 and a median gross rent of $868. 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 March 2026, the median listing price was $375,000 and homes spent about 110 days on the market.

Fergus County Housing Mix

Fergus County housing mix: owner, renter and vacant units.

Fergus County Housing Trends

Fergus County median home value and rent trend (last 5 years).

Businesses in Fergus County, MT

Fergus County has 674 business listings across 289 categories. The largest categories in Fergus County business listings are Structure And Geography (17, 2.5%), Churches & Religious Organizations (17, 2.5%), and Auto Repair (9, 1.3%). The full Fergus County business listings dataset includes names, categories, addresses and contact details where available. Fergus County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Fergus County, MT

Category Businesses Share
Structure And Geography 17 2.5%
Churches & Religious Organizations 17 2.5%
Auto Repair 9 1.3%
Public And Government Association 9 1.3%
Car Dealerships 9 1.3%
River 9 1.3%
Bars & Nightlife 8 1.2%
Elementary School 8 1.2%
Flowers & Gifts 8 1.2%
Cafe 8 1.2%

Fergus County Business Listings

Business Category City
Nexus Treatment Center Abuse And Addiction Treatment Lewistown
Bantz and Company Accountant Lewistown
Judith Peak Active Life Lewistown
The Sign Shop Advertising Agency Lewistown
Moore Farmers Oil Agricultural Cooperatives Moore
V/C Livestock and Training Agricultural Service Lewistown
Mountain West AG Services Agriculture Judith Gap
Skyline Aviation Airline Lewistown
Lewistown Municipal Airport Airport Lewistown
Central Montana Shuttle Airport Shuttles Lewistown
Download Fergus County business listings

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

Fergus County Basemaps

Fergus 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.

Get the Full Fergus County Data Package

This page shows a preview of what's included in the Fergus County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

Get the Fergus County Package + Parcels — $49

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