Demographics & People — Seneca, Oregon
Population Overview
| Population (Census) | 119 |
|---|
| Estimated 2026 | ~100 |
|---|
| Median Age | 67.8 |
|---|
| Total Households | 68 |
|---|
| Family Households | 34 |
|---|
| Average Household Size | 1.75 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 97 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 8 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 56 |
| Unclassified or not reported | 35 |
| Other groups | 34 |
| Scotch-Irish | 22 |
| Finnish | 20 |
| Scottish | 16 |
| American | 15 |
| Dutch | 12 |
| Irish | 11 |
| Hispanic: Mexican | 8 |
Language
| English Only | 115 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 115 |
|---|
Veterans
| Veterans | 4 |
|---|
| Population 18+ | 148 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Seneca, Oregon.
