Demographics & People — Olivia, Pennsylvania
Population Overview
| Population (Census) | 406 |
| Estimated 2026 | ~300 |
| Median Age | 17.3 |
| Total Households | 78 |
| Family Households | 58 |
| Average Household Size | 5.21 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 406 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 43 |
Language
| English Only | 406 |
| Spanish | 0 |
| Population 5+ | 406 |
Veterans
| Veterans | 0 |
| Population 18+ | 43 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Olivia, Pennsylvania.