PUBLIC REGISTRY INFORMATION
47 registered sex offenders in Union County, South Dakota
Explore registry information in Union County and check nearby locations on the free map.
Registry snapshot
October 7, 2026- Registry records
- 47
- Registry source
- South Dakota Sex Offender Registry
Informational snapshot; verify current details with the official registry.
Registry context
Population & local comparison- Registry records per 10,000 residents
- 27.5
- Population estimate
- 17,081
- About 1 registry record per
- 363 residents
U.S. Census Bureau, ACS 5-year estimate. Records relative to population, not the share of residents on a registry.
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Cities associated with Union County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| No. Sioux City | 12 | — | — |
| Elk Point | 11 | 2,537 | 43.4 |
| North Sioux City | 7 | 3,045 | 23.0 |
| Beresford | 5 | 2,360 | 21.2 |
| Jefferson | 5 | 554 | 90.3 |
| Burbank | 4 | 110 | 363.6 |
| Alcester | 3 | 989 | 30.3 |
| Dakota Dunes | 3 | 3,936 | 7.6 |
ZIP codes associated with Union County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 57049 | 22 | 7,962 | 27.6 |
| ZIP code 57025 | 11 | 3,120 | 35.3 |
| ZIP code 57004 | 5 | 3,834 | 13.0 |
| ZIP code 57038 | 5 | 1,796 | 27.8 |
| ZIP code 57010 | 4 | 755 | 53.0 |
| ZIP code 57001 | 3 | 1,540 | 19.5 |
Other counties in South Dakota
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Pennington County | 453 | 113,512 | 39.9 |
| Bon Homme County | 147 | 7,044 | 208.7 |
| Oglala Lakota County | 134 | 13,491 | 99.3 |
| Dewey County | 108 | 5,205 | 207.5 |
| Brown County | 99 | 37,877 | 26.1 |
| Beadle County | 81 | 19,309 | 41.9 |
| Davison County | 77 | 19,952 | 38.6 |
| Yankton County | 77 | 23,414 | 32.9 |
| Brookings County | 72 | 35,353 | 20.4 |
| Corson County | 61 | 3,806 | 160.3 |
| Butte County | 48 | 10,676 | 45.0 |
| Ziebach County | 47 | 2,377 | 197.7 |
| Charles Mix County | 43 | 9,281 | 46.3 |
| Tripp County | 29 | 5,611 | 51.7 |
| Bennett County | 17 | 3,345 | 50.8 |
| Brule County | 17 | 5,283 | 32.2 |
| Aurora County | 12 | 2,642 | 45.4 |
| Walworth County | 12 | 5,271 | 22.8 |
| Gregory County | 7 | 4,016 | 17.4 |
| McPherson County | 6 | 2,145 | 28.0 |
Each linked area shows its own total. Geographic totals overlap and should not be added together; cities and ZIP codes can cross county boundaries. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.
Frequently asked questions
How many registered sex offenders are listed in Union County?
The October 7, 2026 snapshot lists 47 registered sex offenders in Union County, South Dakota. Counts are informational and may differ from official registry totals.
How are the associated areas shown?
The linked areas share registry locations with Union County. City, county and ZIP boundaries can differ, and their totals should not be added together.
How can I check registry information near an address?
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