Demographics & People — Porcupine, South Dakota
Population Overview
| Population (Census) | 549 |
| Estimated 2026 | ~200 |
| Median Age | 29.1 |
| Total Households | 187 |
| Family Households | 157 |
| Average Household Size | 2.88 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 11 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 44 |
Heritage & Ancestry
| Group | Count |
| Other groups | 1,011 |
| Hispanic: Other Hispanic or Latino | 48 |
| Hispanic: All other Hispanic or Latino | 48 |
| Hispanic: Hispanic or Latino | 48 |
| German | 6 |
| Scottish | 6 |
| Dutch | 4 |
Language
| English Only | 431 |
| Spanish | 0 |
| Population 5+ | 549 |
Veterans
| Veterans | 52 |
| Population 18+ | 594 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Porcupine, South Dakota.