Dunn County GIS Maps
Home » North Dakota » Dunn County
Dunn County, North Dakota, has 4,095 residents across 9,483 parcels and covers 2,008.5 square miles. The population grew 15.8% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Dunn County is 38025.
Killdeer is the county's largest population center. Dunn County also includes 7 zip codes, 7 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.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Dunn County Trends
- Population
- 4,095▴
- Median Home Value
- $244,000▾
- K-12 Enrollment
- 6,662▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Dunn 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.
Dunn County Parcels
Dunn County has 9,485 mapped parcels covering 955,280 acres. Agricultural land accounts for 68.9% of parcels. Residential follows at 12.2% and commercial at 7.3%. The records carry 2,571 distinct owner names. Owner names reach 96.4%. Site addresses reach 95.9%. Browse the interactive Dunn County Parcel viewer here.
Dunn County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 9,483 | 100% |
| Owner name | 9,143 | 96.4% |
| Owner mailing address | 0 | 0% |
| Site address | 9,097 | 95.9% |
| Land use code | 0 | 0% |
| Land use description | 9,143 | 96.4% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 0 | 0% |
| Parcel boundary | 9,483 | 100% |
| Download all Dunn County parcels. | ||
Field coverage measured across all Dunn County parcel records.
Dunn County Population
Dunn County had 4,095 residents in 2020. That was 15.8% higher than in 2010. Dunn County added 495 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 2 people per square mile. Some of the county's most populated postal areas include Killdeer, Mandaree and Halliday.
Population Trend in Dunn County ND
Dunn County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Dunn County Zip Codes
Dunn County has 7 zip codes. Some of the county's most populated zip codes include Killdeer (58640), Mandaree (58757) and Halliday (58636). Killdeer is the largest zip by population, with about 1,500 residents or 37% of the county total. Together, the three largest zips account for about 83% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Dunn County ND
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 58640 | Killdeer | 1,500 | ▴ 11.6% |
| 58757 | Mandaree | 1,086 | ▴ 19.5% |
| 58636 | Halliday | 807 | ▴ 14.3% |
| 58626 | Killdeer | 433 | ▴ 65.3% |
| 58642 | Dickinson | 314 | ▾ -6% |
| Download all zip code data | |||
Dunn County Zip Code populations and trends per most recent census data.
Dunn County Demographics
Dunn County has a median age of 40.8, which makes the county a little older than North Dakota overall. About 25.5% of residents are under 18, while 18.6% 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 31.3% of the population, which points to a solid working-age base. About 20.6% 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 Dunn County ND
Median Age
40.8
Under 18
25.5%
Age 65+
18.6%
Bachelor's+
20.6%
Dunn County School Districts
Dunn County is served by 7 public school districts with 6,662 students enrolled in 2024. The largest districts on the county map are Dickinson Public 1, Beulah Public 27 and Killdeer Public 16. Those three districts account for about 83% 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 Dunn County ND
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Dickinson Public School District 1 | 4,177 | 62.7% | ▴ 2.7% |
| Beulah Public School District 27 | 748 | 11.2% | ▴ 0.1% |
| Killdeer Public School District 16 | 607 | 9.1% | ▾ -1.1% |
| South Heart Public School District 9 | 437 | 6.6% | ▴ 4.8% |
| Richardton-Taylor Public School District 34 | 337 | 5.1% | ▴ 2.1% |
| Download all school district data | |||
Dunn County school district enrollment and trends per most recent NCES reporting data.
Dunn County Housing & Real Estate
Dunn County has a median home value of $244,000 and a median gross rent of $941. About 72% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the North Dakota median, while rents come in above the state average. In March 2026, the median listing price was $379,000 and homes spent about 100 days on the market.
Dunn County Housing Mix
Dunn County housing mix: owner, renter and vacant units.
Dunn County Housing Trends
Dunn County median home value and rent trend (last 5 years).
Businesses in Dunn County, ND
Dunn County has 214 business listings across 123 categories. The largest categories in Dunn County business listings are Business Manufacturing And Supply (7, 3.3%), River (7, 3.3%), and Public And Government Association (6, 2.8%). The full Dunn County business listings dataset includes names, categories, addresses and contact details where available. Dunn County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Dunn County, ND
| Category | Businesses | Share |
|---|---|---|
| Business Manufacturing And Supply | 7 | 3.3% |
| River | 7 | 3.3% |
| Public And Government Association | 6 | 2.8% |
| Livestock Breeder | 6 | 2.8% |
| Churches & Religious Organizations | 6 | 2.8% |
| Gas Stations | 6 | 2.8% |
| Bars & Nightlife | 4 | 1.9% |
| Convenience Stores | 4 | 1.9% |
| Rv Park | 4 | 1.9% |
| Hotels | 4 | 1.9% |
Dunn County Business Listings
| Business | Category | City |
|---|---|---|
| Prairie Implement & Equipment, Inc. | Agricultural Service | Killdeer |
| Inception Ag | Agriculture | Dodge |
| CHS Southwest Grain | Agriculture Association | Killdeer |
| Wolberg's Private Airport | Airport | Dickinson |
| Killdeer Area Ambulance | Ambulance And Ems Services | Killdeer |
| Nana Lil's Cafe | American Restaurants | Killdeer |
| KILLDEER HIGHLANDS APARTMENTS | Apartments | Killdeer |
| Jeremy Raglin Art | Art Gallery | West Plains |
| Polar Service Center | Automotive | Killdeer |
| Ju-Ju's Pit Stop | Auto Repair | Killdeer |
| Download Dunn County business listings | ||
Dunn County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Dunn County Basemaps
Dunn 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 Dunn County Data Package
This page shows a preview of what's included in the Dunn 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.
One-time · instant download · 30-day refund guarantee · See full package details
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.
No email or download required. Opens in a preview window on this page.
Nearby Counties
Browse county data pages for the counties that border Dunn County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.