Campbell County GIS Maps
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Campbell County, South Dakota, has 1,377 residents and covers 733.7 square miles. The population declined 6.1% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Campbell County is 46021.
Herreid is the county's largest population center. Campbell County also includes 3 zip codes, 4 public school districts and 12 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 population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Campbell County Trends
- Population
- 1,377▾
- Median Home Value
- $87,900▴
- K-12 Enrollment
- 1,094▴
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.
Campbell 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.
Campbell County Population
Campbell County had 1,377 residents in 2020. That was 6.1% lower than in 2010. Campbell County had 405 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 Herreid, Pollock and Mound City.
Population Trend in Campbell County SD
Campbell County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Campbell County Zip Codes
Campbell County has 3 zip codes. Some of the county's most populated zip codes include Herreid (57632), Pollock (57648) and Mound City (57646). Herreid is the largest zip by population, with about 608 residents or 44% of the county total. Together, the three largest zips account for about 89% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Campbell County SD
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 57632 | Herreid | 608 | ▾ -4.1% |
| 57648 | Pollock | 414 | ▴ 23.6% |
| 57646 | Mound City | 207 | ▴ 4% |
| Download all zip code data | |||
Campbell County Zip Code populations and trends per most recent census data.
Campbell County Demographics
Campbell County has a median age of 52.4, which makes the county a little older than South Dakota overall. About 20.9% of residents are under 18, while 28.4% 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 28.4% of the population, which points to an older population profile. About 29.5% of adults have a bachelor's degree or higher, above the statewide figure of 31.1%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Campbell County SD
Median Age
52.4
Under 18
20.9%
Age 65+
28.4%
Bachelor's+
29.5%
Campbell County School Districts
Campbell County is served by 4 public school districts with 1,094 students enrolled in 2024. The largest districts on the county map are Mobridge-Pollock 62-6, Selby 62-5 and Eureka 44-1. Those three districts account for about 87% 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 Campbell County SD
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Mobridge-Pollock School District 62-6 | 596 | 54.5% | ▴ 0.8% |
| Selby School District 62-5 | 188 | 17.2% | ▴ 2.7% |
| Eureka School District 44-1 | 163 | 14.9% | ▾ -4.7% |
| Herreid School District 10-1 | 147 | 13.4% | — 0% |
| Download all school district data | |||
Campbell County school district enrollment and trends per most recent NCES reporting data.
Campbell County Housing & Real Estate
Campbell County has a median home value of $87,900 and a median gross rent of $635. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the South Dakota median, while rents come in below the state average. In October 2025, the median listing price was $257,500 and homes spent about 233 days on the market.
Campbell County Housing Mix
Campbell County housing mix: owner, renter and vacant units.
Campbell County Housing Trends
Campbell County median home value and rent trend (last 5 years).
Businesses in Campbell County, SD
Campbell County has 80 business listings across 52 categories. The largest categories in Campbell County business listings are Churches & Religious Organizations (8, 10.0%), Lake (5, 6.3%), and Rv Park (4, 5.0%). The full Campbell County business listings dataset includes names, categories, addresses and contact details where available. Campbell County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Campbell County, SD
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 8 | 10.0% |
| Lake | 5 | 6.3% |
| Rv Park | 4 | 5.0% |
| Grocery Stores | 3 | 3.8% |
| Shipping Center | 3 | 3.8% |
| Landmark And Historical Building | 3 | 3.8% |
| Farm Equipment And Supply | 2 | 2.5% |
| Pizza Restaurants | 2 | 2.5% |
| Farm | 2 | 2.5% |
| Chiropractors | 2 | 2.5% |
Campbell County Business Listings
| Business | Category | City |
|---|---|---|
| Ebel Enterprises Inc. | Agricultural Service | Herreid |
| Agtegra Cooperative - Herreid | Agriculture Association | Herreid |
| Herreid Municipal Airport | Airport | Herreid |
| Pebble Drive In | American Restaurants | Herreid |
| The Exchange Network | ATMs | Herreid |
| Herreid Livestock Market | Auction House | Herreid |
| Huber & Son | Auto Repair | Herreid |
| Herreid Baptist Church | Baptist Church | Herreid |
| Big Daddy's Bar | Bars & Nightlife | Pollock |
| Grumpy's Bar-N-Grill | Bar And Grill Restaurant | Pollock |
| Download Campbell County business listings | ||
Campbell County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Campbell County Basemaps
Campbell 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 Campbell County Data Package
This page shows a preview of what's included in the Campbell 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 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.
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Nearby Counties
Browse county data pages for the counties that border Campbell County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.