Demographics & People — Mammoth, Pennsylvania
Population Overview
| Population (Census) | 421 |
|---|
| Estimated 2026 | ~300 |
|---|
| Median Age | 66.4 |
|---|
| Total Households | 241 |
|---|
| Family Households | 139 |
|---|
| Average Household Size | 1.75 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 421 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 166 |
| Irish | 118 |
| Slovak | 54 |
| Italian | 46 |
| Unclassified or not reported | 46 |
| English | 35 |
| American | 23 |
| Russian | 21 |
| Polish | 20 |
| British | 11 |
Language
| English Only | 413 |
|---|
| Spanish | 8 |
|---|
| Population 5+ | 421 |
|---|
Veterans
| Veterans | 0 |
|---|
| Population 18+ | 358 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mammoth, Pennsylvania.
