County · GEOID 46127
Union County, SD ZIP codes
9 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Union County (GEOID 46127). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 25,204 (9 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Union County
Population overlap
Share of each ZIP/ZCTA’s population located within Union County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 5100113.7%
- 510236.5%
- 5700195.3%
Directory county
- 5700463.5%
Directory county
- 5701020.7%
- 57025100.0%
Directory county
- 570345.5%
- 57038100.0%
Directory county
- 57049100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Union County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 51001 | Akron | Plymouth County | 2,292 | $67,639 |
| 51023 | Hawarden | Sioux County | 3,437 | $74,205 |
| 57001 | Alcester | Union County | 1,550 | $72,885 |
| 57004 | Beresford | Union County | 3,900 | $81,364 |
| 57010 | Burbank | Clay County | 613 | — |
| 57025 | Elk Point | Union County | 3,165 | $88,466 |
| 57034 | Hudson | Lincoln County | 720 | $94,250 |
| 57038 | Jefferson | Union County | 1,713 | $86,895 |
| 57049 | North Sioux City | Union County | 7,814 | $93,239 |