Demographics & People — Grass Valley, Oregon
Population Overview
| Population (Census) | 161 |
| Estimated 2026 | ~800 |
| Median Age | 40.6 |
| Total Households | 77 |
| Family Households | 42 |
| Average Household Size | 2.0 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 155 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 76 |
| German | 73 |
| English | 62 |
| Other groups | 53 |
| Irish | 27 |
| Swedish | 18 |
| Norwegian | 16 |
| Scottish | 15 |
| American | 8 |
| Hispanic: Mexican | 7 |
Language
| English Only | 125 |
| Spanish | 3 |
| Population 5+ | 141 |
Veterans
| Veterans | 21 |
| Population 18+ | 225 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Grass Valley, Oregon.