Demographics & People — Santiago, Washington
Population Overview
| Population (Census) | 78 |
| Estimated 2026 | ~200 |
| Median Age | 66.2 |
| Total Households | 31 |
| Family Households | 23 |
| Average Household Size | 2.52 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 50 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Other groups | 32 |
| German | 22 |
| Finnish | 15 |
| Irish | 4 |
| English | 4 |
| Swedish | 2 |
| Norwegian | 2 |
Language
| English Only | 76 |
| Spanish | 0 |
| Population 5+ | 77 |
Veterans
| Veterans | 32 |
| Population 18+ | 65 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Santiago, Washington.