Demographics & People — Northville, South Dakota
Population Overview
| Population (Census) | 154 |
| Estimated 2026 | ~200 |
| Median Age | 43.3 |
| Total Households | 52 |
| Family Households | 36 |
| Average Household Size | 2.96 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 154 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 82 |
| Irish | 55 |
| English | 51 |
| Unclassified or not reported | 16 |
| Norwegian | 15 |
| Other groups | 6 |
| Dutch | 5 |
| American | 4 |
| Swedish | 1 |
| Russian | 1 |
Language
| English Only | 148 |
| Spanish | 0 |
| Population 5+ | 148 |
Veterans
| Veterans | 5 |
| Population 18+ | 91 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Northville, South Dakota.