Demographics & People — Castine, Maine
Population Overview
| Population (Census) | 926 |
|---|
| Estimated 2026 | ~1,200 |
|---|
| Median Age | 20.4 |
|---|
| Total Households | 173 |
|---|
| Family Households | 138 |
|---|
| Average Household Size | 2.28 |
|---|
| Diversity Index | 0.1137 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 836 |
|---|
| Black or African American | 18 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 35 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 354 |
| English | 171 |
| Scottish | 77 |
| Irish | 74 |
| Polish | 71 |
| German | 68 |
| Swedish | 64 |
| Other groups | 49 |
| American | 34 |
| French Canadian | 25 |
Language
| English Only | 884 |
|---|
| Spanish | 12 |
|---|
| Population 5+ | 926 |
|---|
Veterans
| Veterans | 53 |
|---|
| Population 18+ | 849 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Castine, Maine.
