Sanders County GIS Maps

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Sanders County, Montana, has 12,400 residents across 15,321 parcels and covers 2,760.4 square miles. The population grew 8.6% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Sanders County is 30089.

Thompson Falls is the county's largest population center. Sanders County also includes 9 zip codes, 2 public school districts and 15 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.

Sanders County Trends

Population
12,400▴
Median Home Value
$323,800▴
K-12 Enrollment
601▴
Sanders County in Montana

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

Sanders 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.

Sanders County Parcels

Sanders County has 15,321 mapped parcels covering 1,762,849 acres. The median assessed value is $188,900. The median lot size is 10.02 acres. 7,680 parcels are 10 acres or larger. Improved property accounts for 44.0% of parcels. Vacant land follows at 30.7% and exempt property at 15.6%. The records carry 8,054 distinct owner names. About 16% of parcels list an owner mailing address outside Montana. Owner names, mailing addresses and lot sizes are on nearly every parcel. Site addresses reach 72.5%. Assessed values reach 97.6%. Browse the interactive Sanders County Parcel viewer here.

Sanders County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 15,321 100%
Owner name 15,042 98.2%
Owner mailing address 15,042 98.2%
Site address 11,104 72.5%
Land use code 0 0%
Land use description 15,042 98.2%
Assessed value 14,948 97.6%
Land value 14,948 97.6%
Improvement value 14,948 97.6%
Acreage 15,321 100%
Parcel boundary 15,321 100%
Download all Sanders County parcels.

Field coverage measured across all Sanders County parcel records.

Sanders County Population

Sanders County had 12,400 residents in 2020. That was 8.6% higher than in 2010. Sanders County added 2,173 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 4 people per square mile. Some of the county's most populated postal areas include Plains, Thompson Falls and Trout Creek.

Population Trend in Sanders County MT

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

Sanders County Zip Codes

Sanders County has 9 zip codes. Some of the county's most populated zip codes include Plains (59859), Thompson Falls (59873) and Trout Creek (59874). Plains is the largest zip by population, with about 3,683 residents or 30% of the county total. Together, the three largest zips account for about 71% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Sanders County MT

ZIP Area Population Trend
59859 Plains 3,683 ▴ 12.6%
59873 Thompson Falls 3,416 ▴ 10.7%
59874 Trout Creek 1,695 ▴ 8.1%
59845 Hot Springs 1,254 ▴ 5.7%
59853 Noxon 846 ▴ 21%
Download all zip code data

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

Sanders County Demographics

Sanders County has a median age of 54.6, which makes the county a little older than Montana overall. About 17.3% of residents are under 18, while 32.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 32.4% of the population, which points to an older population profile. About 21.6% 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 Sanders County MT

Median Age

54.6

Under 18

17.3%

Age 65+

32.4%

Bachelor's+

21.6%

Sanders County School Districts

Sanders County is served by 2 public school districts with 601 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 Sanders County MT

District Enrollment Share Trend
Plains K-12 Schools 404 67.2% ▾ -5.4%
Hot Springs K-12 197 32.8% ▴ 23.9%
Download all school district data

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

Sanders County Housing & Real Estate

Sanders County has a median home value of $323,800 and a median gross rent of $774. About 80% 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 $673,475 and homes spent about 158 days on the market.

Sanders County Housing Mix

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

Sanders County Housing Trends

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

Businesses in Sanders County, MT

Sanders County has 640 business listings across 233 categories. The largest categories in Sanders County business listings are Structure And Geography (41, 6.4%), Lake (20, 3.1%), and Churches & Religious Organizations (17, 2.7%). The full Sanders County business listings dataset includes names, categories, addresses and contact details where available. Sanders County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Sanders County, MT

Category Businesses Share
Structure And Geography 41 6.4%
Lake 20 3.1%
Churches & Religious Organizations 17 2.7%
Gas Stations 15 2.3%
Coffee Shops 12 1.9%
Lodge 11 1.7%
Grocery Stores 10 1.6%
River 10 1.6%
Farm 9 1.4%
Landmark And Historical Building 9 1.4%

Sanders County Business Listings

Business Category City
Prospect Creek Accommodation Thompson Falls
Cody Carr's Hunting Adventures Active Life Plains
Ring of Horns Agriculture Hot Springs
Thompson Falls Airport Thompson Falls
Plains Community Ambulance Ambulance And Ems Services Plains
The Circle | Plains MT American Restaurants Plains
Wildhorse Home Ranch Feed Amusement Park Plains
Thompson Falls Veterinary Clinic Animal Hospital Thompson Falls
Thompson River Animal Care Animal Shelters Thompson Falls
Knick Knack Paddywack Antique Store Hot Springs
Download Sanders County business listings

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

Sanders County Basemaps

Sanders 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 Sanders County Data Package

This page shows a preview of what's included in the Sanders 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 Sanders County Package + Parcels — $49

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