Demographics & People — Humboldt, Illinois
Population Overview
| Population (Census) | 360 |
| Estimated 2026 | ~300 |
| Median Age | 41.5 |
| Total Households | 153 |
| Family Households | 95 |
| Average Household Size | 2.35 |
| Diversity Index | 0.1314 (relatively homogeneous) |
Race & Ethnicity
| White | 344 |
| Black or African American | 2 |
| Asian | 0 |
| Hispanic or Latino | 24 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 125 |
| German | 124 |
| Irish | 101 |
| Other groups | 75 |
| English | 46 |
| Hispanic: Mexican | 27 |
| Hispanic: Hispanic or Latino | 27 |
| American | 16 |
| Italian | 6 |
| French (except Basque) | 6 |
Language
| English Only | 341 |
| Spanish | 14 |
| Population 5+ | 355 |
Veterans
| Veterans | 15 |
| Population 18+ | 291 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Humboldt, Illinois.