Foster County GIS Maps

Foster 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.

Foster County Population

Foster County had 3,397 residents in 2020. That was 1.6% higher than in 2010. Foster County had 362 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 5 people per square mile. Some of the county's most populated postal areas include Carrington, Glenfield and Grace City.

Population Trend in Foster County ND

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

Foster County Zip Codes

Foster County has 3 zip codes. Some of the county's most populated zip codes include Carrington (58421), Glenfield (58443) and Grace City (58445). Carrington is the largest zip by population, with about 2,875 residents or 85% of the county total. Together, the three largest zips account for about 97% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Foster County ND

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

Foster County Demographics

Foster County has a median age of 43.3, which makes the county a little older than North Dakota overall. About 21.9% of residents are under 18, while 23.1% 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 29.5% of the population, which points to a solid working-age base. About 27.2% of adults have a bachelor's degree or higher, above the statewide figure of 32.3%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Foster County ND

Foster County School Districts

Foster County is served by 3 public school districts with 806 students enrolled in 2024. The largest districts on the county map are Carrington Public 49, Midkota Public 7 and Kensal Public 19. 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 Foster County ND

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

Foster County Housing & Real Estate

Foster County has a median home value of $162,800 and a median gross rent of $756. 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 North Dakota median, while rents come in below the state average. In March 2026, the median listing price was $170,500 and homes spent about 74 days on the market.

Businesses in Foster County, ND

Foster County has 236 business listings across 150 categories. The largest categories in Foster County business listings are Insurance Agencies (7, 3.0%), Gas Stations (6, 2.5%), and Churches & Religious Organizations (5, 2.1%). The full Foster County business listings dataset includes names, categories, addresses and contact details where available. Foster County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Foster County, ND

Foster County Business Listings

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

Foster County Basemaps

Foster 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 North Dakota — explore the full structure before you buy.