South Dakota County Maps
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South Dakota has 66 counties, a population of 886,667 residents, about 376 zip codes and 289 public school districts. Those counties vary widely in population, school enrollment, zip code coverage and local boundary structure. Minnehaha County has the largest population in the state, while Jones County has the smallest. Browse the map, population, zip codes, school districts, subdivisions and county list sections below to explore further. Or, simply start typing in the box below to go directly to that county.
Interactive South Dakota County Map
This South Dakota county map preview highlights population-by-county context, ZIP code coverage, school districts, and local boundary structure. Full statewide and county-level data packages are available when you need complete downloadable datasets. Click or tap any county to view its maps, trends and data.
Start with a free preview, or go straight to the full South Dakota dataset .
South Dakota Population By County
South Dakota's population was 886,667 in 2020, up 72,487 (8.90%) residents from 2010. Minnehaha County had the largest population in the state with 197,214 people. Pennington and Lincoln Counties also stand out as major population centers. Jones County was the least populated area in South Dakota with only 917 residents. The table below compares South Dakota county populations and recent population trends.
The Most Populated Counties In South Dakota
| County | Population | Trend (2010-2020) |
|---|---|---|
| Minnehaha County | 197,214 | ▴ 16.37% |
| Pennington County | 109,222 | ▴ 8.20% |
| Lincoln County | 65,161 | ▴ 45.36% |
| Brown County | 38,301 | ▴ 4.85% |
| Brookings County | 34,375 | ▴ 7.54% |
| Download all county population data | ||
County populations reflect the latest state serving context (2020).
South Dakota County Map With ZIP Codes
South Dakota has about 376 zip codes statewide. Minnehaha County contains the most zip codes, with 19. County-level zip code maps give a faster and clearer way to understand local coverage as zip boundaries can span county and municipal lines. The maps below highlight a few South Dakota counties.
South Dakota School Districts By County
South Dakota has 289 public school districts with 259,502 students enrolled as of 2024. Minnehaha County stands out for both district count and total enrollment. Jerauld County posted the largest recent enrollment gain. The table below compares county level school district totals and recent enrollment trends across the state.
Largest School Districts in South Dakota
| County | Districts | Enrollment | Trend |
|---|---|---|---|
| Minnehaha County | 12 | 39,573 | ▴ 0.19% |
| McCook County | 9 | 4,961 | ▾ 0.52% |
| Lincoln County | 8 | 37,133 | ▾ 0.06% |
| Moody County | 7 | 6,854 | ▴ 1.74% |
| Brown County | 7 | 6,424 | ▾ 0.54% |
| Download all school district data | |||
School district enrollment and trend values reflect the most recent state-level context (2024).
South Dakota County Map With Subdivisions
South Dakota has about 1,328 local subdivisions statewide. These boundaries add another layer of detail within counties and help show how local subdivision lines fit inside county boundaries. The previews below highlight a few South Dakota counties with subdivision map coverage.
Get the Full South Dakota Data Package
The sections above provide a preview of South Dakota county maps and county-level data. The full package includes complete statewide coverage with ready-to-use files for mapping, planning, and analysis.
Everything is organized to save hours of data collection, cleanup, and integration work.
- County map exports and boundary coverage for every county in South Dakota
- Statewide GIS layers for ZIP codes, subdivisions, school districts, roads, water, and political boundaries
- Population, demographics, school, housing, and trend context aligned across counties
- Database files, map-ready exports, and documentation designed for faster research workflows
Includes GIS layers, maps, demographics, analytics, database files and planning tools.