Demographics & People — Harwich Center, Massachusetts
Population Overview
| Population (Census) | 1,620 |
| Estimated 2026 | ~2,200 |
| Median Age | 54.5 |
| Total Households | 802 |
| Family Households | 389 |
| Average Household Size | 1.98 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 1,585 |
| Black or African American | 4 |
| Asian | 0 |
| Hispanic or Latino | 5 |
Heritage & Ancestry
| Group | Count |
| Irish | 409 |
| English | 389 |
| Other groups | 214 |
| Polish | 126 |
| American | 100 |
| Unclassified or not reported | 92 |
| French (except Basque) | 77 |
| Scotch-Irish | 72 |
| Scottish | 66 |
| Italian | 62 |
Language
| English Only | 1,615 |
| Spanish | 5 |
| Population 5+ | 1,620 |
Veterans
| Veterans | 95 |
| Population 18+ | 1,200 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Harwich Center, Massachusetts.