Demographics & People — South Wilton, Connecticut
Population Overview
| Population (Census) | 1,453 |
| Estimated 2026 | ~1,400 |
| Median Age | 45.7 |
| Total Households | 588 |
| Family Households | 400 |
| Average Household Size | 2.47 |
| Diversity Index | 0.4109 (moderately diverse) |
Race & Ethnicity
| White | 959 |
| Black or African American | 99 |
| Asian | 211 |
| Hispanic or Latino | 17 |
Heritage & Ancestry
| Group | Count |
| Italian | 214 |
| Unclassified or not reported | 184 |
| Other groups | 170 |
| Irish | 148 |
| American | 124 |
| West Indian (except Hispanic groups) | 120 |
| Jamaican | 120 |
| English | 101 |
| Polish | 95 |
| Swedish | 86 |
Language
| English Only | 830 |
| Spanish | 0 |
| Population 5+ | 1,400 |
Veterans
| Veterans | 26 |
| Population 18+ | 1,122 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for South Wilton, Connecticut.