Demographics & People — Seneca, Pennsylvania
Population Overview
| Population (Census) | 1,455 |
|---|
| Estimated 2026 | ~1,400 |
|---|
| Median Age | 45.8 |
|---|
| Total Households | 700 |
|---|
| Family Households | 423 |
|---|
| Average Household Size | 2.08 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 1,395 |
|---|
| Black or African American | 7 |
|---|
| Asian | 8 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 342 |
| Unclassified or not reported | 210 |
| Italian | 136 |
| English | 127 |
| American | 102 |
| Irish | 62 |
| Other groups | 33 |
| Dutch | 28 |
| Scotch-Irish | 26 |
| Swedish | 24 |
Language
| English Only | 1,319 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 1,339 |
|---|
Veterans
| Veterans | 116 |
|---|
| Population 18+ | 681 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Seneca, Pennsylvania.
