Demographics & People — Mount Gretna, Pennsylvania
Population Overview
| Population (Census) | 197 |
| Estimated 2026 | ~200 |
| Median Age | 63.8 |
| Total Households | 98 |
| Family Households | 68 |
| Average Household Size | 2.01 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 193 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 98 |
| Unclassified or not reported | 49 |
| Irish | 21 |
| English | 21 |
| French (except Basque) | 10 |
| Other groups | 10 |
| Swiss | 8 |
| Polish | 8 |
| British | 7 |
| Czech | 6 |
Language
| English Only | 191 |
| Spanish | 0 |
| Population 5+ | 197 |
Veterans
| Veterans | 21 |
| Population 18+ | 177 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mount Gretna, Pennsylvania.