Demographics & People — McMillin, Washington
Population Overview
| Population (Census) | 1,298 |
| Estimated 2026 | ~1,500 |
| Median Age | 48.4 |
| Total Households | 481 |
| Family Households | 332 |
| Average Household Size | 2.7 |
| Diversity Index | 0.2316 (somewhat diverse) |
Race & Ethnicity
| White | 1,009 |
| Black or African American | 39 |
| Asian | 28 |
| Hispanic or Latino | 80 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 322 |
| English | 273 |
| Other groups | 211 |
| German | 209 |
| Irish | 155 |
| Norwegian | 112 |
| Hispanic: Hispanic or Latino | 88 |
| Scottish | 61 |
| French (except Basque) | 50 |
| Italian | 48 |
Language
| English Only | 1,140 |
| Spanish | 7 |
| Population 5+ | 1,220 |
Veterans
| Veterans | 138 |
| Population 18+ | 1,066 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for McMillin, Washington.