Demographics & People — Plankinton, South Dakota
Population Overview
| Population (Census) | 637 |
| Estimated 2026 | ~500 |
| Median Age | 42.4 |
| Total Households | 271 |
| Family Households | 196 |
| Average Household Size | 2.35 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 560 |
| Black or African American | 0 |
| Asian | 5 |
| Hispanic or Latino | 105 |
Heritage & Ancestry
| Group | Count |
| German | 180 |
| Unclassified or not reported | 133 |
| Other groups | 107 |
| Norwegian | 102 |
| Hispanic: Hispanic or Latino | 90 |
| Hispanic: Mexican | 79 |
| English | 59 |
| Dutch | 58 |
| American | 34 |
| Irish | 32 |
Language
| English Only | 508 |
| Spanish | 73 |
| Population 5+ | 588 |
Veterans
| Veterans | 23 |
| Population 18+ | 468 |
Commuting
| Mean Commute Time | 21.9 minutes |
| Work from Home | 11.5% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Plankinton, South Dakota.