Demographics & People — Cullom, Illinois
Population Overview
| Population (Census) | 540 |
| Estimated 2026 | ~300 |
| Median Age | 41.5 |
| Total Households | 242 |
| Family Households | 154 |
| Average Household Size | 2.23 |
| Diversity Index | 0.2045 (somewhat diverse) |
Race & Ethnicity
| White | 482 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 63 |
Heritage & Ancestry
| Group | Count |
| German | 191 |
| Unclassified or not reported | 123 |
| Irish | 86 |
| Other groups | 68 |
| Hispanic: Hispanic or Latino | 57 |
| English | 42 |
| Hispanic: Mexican | 39 |
| Scottish | 24 |
| American | 21 |
| Scandinavian | 19 |
Language
| English Only | 492 |
| Spanish | 24 |
| Population 5+ | 516 |
Veterans
| Veterans | 11 |
| Population 18+ | 395 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Cullom, Illinois.