Demographics & People — Marble, Colorado
Population Overview
| Population (Census) | 236 |
| Estimated 2026 | ~600 |
| Median Age | 36.0 |
| Total Households | 110 |
| Family Households | 58 |
| Average Household Size | 2.15 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 233 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Italian | 53 |
| German | 53 |
| Irish | 35 |
| English | 28 |
| French (except Basque) | 22 |
| Scottish | 15 |
| Scotch-Irish | 13 |
| Unclassified or not reported | 12 |
| Lithuanian | 11 |
| Welsh | 10 |
Language
| English Only | 225 |
| Spanish | 0 |
| Population 5+ | 233 |
Veterans
| Veterans | 32 |
| Population 18+ | 149 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marble, Colorado.