Demographics & People — Southwest Harbor, Maine
Population Overview
| Population (Census) | 563 |
| Estimated 2026 | ~600 |
| Median Age | 48.4 |
| Total Households | 322 |
| Family Households | 114 |
| Average Household Size | 1.69 |
| Diversity Index | 0.0455 (relatively homogeneous) |
Race & Ethnicity
| White | 546 |
| Black or African American | 12 |
| Asian | 0 |
| Hispanic or Latino | 1 |
Heritage & Ancestry
| Group | Count |
| English | 247 |
| Irish | 131 |
| Ukrainian | 86 |
| French (except Basque) | 65 |
| Unclassified or not reported | 50 |
| Other groups | 21 |
| Polish | 18 |
| American | 14 |
| Canadian | 14 |
| Italian | 13 |
Language
| English Only | 524 |
| Spanish | 0 |
| Population 5+ | 536 |
Veterans
| Veterans | 17 |
| Population 18+ | 383 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Southwest Harbor, Maine.