Demographics & People — Gregory, South Dakota
Population Overview
| Population (Census) | 1,330 |
| Estimated 2026 | ~1,500 |
| Median Age | 38.9 |
| Total Households | 557 |
| Family Households | 299 |
| Average Household Size | 2.29 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 1,154 |
| Black or African American | 40 |
| Asian | 0 |
| Hispanic or Latino | 43 |
Heritage & Ancestry
| Group | Count |
| German | 550 |
| Unclassified or not reported | 322 |
| Other groups | 213 |
| Irish | 139 |
| English | 108 |
| Hispanic: Hispanic or Latino | 77 |
| Norwegian | 76 |
| Czech | 73 |
| American | 70 |
| Hispanic: Puerto Rican | 40 |
Language
| English Only | 1,242 |
| Spanish | 3 |
| Population 5+ | 1,253 |
Veterans
| Veterans | 60 |
| Population 18+ | 1,049 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Gregory, South Dakota.