| Name | Union County |
| State | South Dakota |
| FIPS Code | 46127 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 14,377 |
| Population Growth Rate(2000-2022) | 16.75% |
| Majority Ethnicity | White 94.15% |
| Public School Majority Ethnicity | White 89% |
| Partisan Voting Index | Republican:+17 |
| Unemployment Rate | 2.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 94.15% |
| African American | 0.84% |
| Hispanic | 3.01% |
| Asian | 1.16% |
| Native American | 0.84% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 88.91% |
| African American | 0.93% |
| Hispanic | 5.29% |
| Asian | 1.29% |
| Native American | 0.46% |
| Hawaiin/Pacific Islander | 0.17% |