Demographics & People — Big Delta, Alaska
Population Overview
| Population (Census) | 646 |
| Estimated 2026 | ~400 |
| Median Age | 30.0 |
| Total Households | 150 |
| Family Households | 141 |
| Average Household Size | 4.27 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 646 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 276 |
| Irish | 123 |
| Other groups | 63 |
| German | 37 |
| Eastern European | 26 |
| French (except Basque) | 26 |
| Scotch-Irish | 25 |
| English | 21 |
| French Canadian | 18 |
| Welsh | 11 |
Language
| English Only | 571 |
| Spanish | 0 |
| Population 5+ | 601 |
Veterans
| Veterans | 39 |
| Population 18+ | 422 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Big Delta, Alaska.