Demographics & People — Fort Pierre, South Dakota
Population Overview
| Population (Census) | 2,534 |
| Estimated 2026 | ~2,100 |
| Median Age | 44.2 |
| Total Households | 1,095 |
| Family Households | 598 |
| Average Household Size | 2.31 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 2,346 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 32 |
Heritage & Ancestry
| Group | Count |
| German | 1,038 |
| Unclassified or not reported | 670 |
| Norwegian | 406 |
| American | 203 |
| Other groups | 191 |
| Irish | 161 |
| English | 141 |
| Hispanic: Hispanic or Latino | 88 |
| Hispanic: Mexican | 83 |
| Swedish | 77 |
Language
| English Only | 2,435 |
| Spanish | 0 |
| Population 5+ | 2,437 |
Veterans
| Veterans | 80 |
| Population 18+ | 1,942 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Fort Pierre, South Dakota.