Demographics & People — Grampian, Pennsylvania
Population Overview
| Population (Census) | 497 |
| Estimated 2026 | ~300 |
| Median Age | 38.4 |
| Total Households | 184 |
| Family Households | 140 |
| Average Household Size | 2.7 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 469 |
| Black or African American | 0 |
| Asian | 1 |
| Hispanic or Latino | 26 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 225 |
| German | 120 |
| Irish | 87 |
| American | 45 |
| English | 25 |
| Other groups | 21 |
| Swedish | 11 |
| European | 9 |
| Italian | 8 |
| Scotch-Irish | 8 |
Language
| English Only | 481 |
| Spanish | 0 |
| Population 5+ | 488 |
Veterans
| Veterans | 16 |
| Population 18+ | 391 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Grampian, Pennsylvania.