Demographics & People — Mullan, Idaho
Population Overview
| Population (Census) | 758 |
| Estimated 2026 | ~1,300 |
| Median Age | 44.1 |
| Total Households | 347 |
| Family Households | 184 |
| Average Household Size | 2.18 |
| Diversity Index | 0.0776 (relatively homogeneous) |
Race & Ethnicity
| White | 696 |
| Black or African American | 16 |
| Asian | 0 |
| Hispanic or Latino | 13 |
Heritage & Ancestry
| Group | Count |
| German | 248 |
| Unclassified or not reported | 157 |
| Irish | 145 |
| English | 104 |
| Norwegian | 48 |
| French (except Basque) | 47 |
| Other groups | 46 |
| Italian | 32 |
| Swedish | 31 |
| Danish | 29 |
Language
| English Only | 642 |
| Spanish | 6 |
| Population 5+ | 680 |
Veterans
| Veterans | 89 |
| Population 18+ | 547 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mullan, Idaho.