Demographics & People — Flanagan, Illinois
Population Overview
| Population (Census) | 864 |
| Estimated 2026 | ~800 |
| Median Age | 49.0 |
| Total Households | 379 |
| Family Households | 260 |
| Average Household Size | 2.12 |
| Diversity Index | 0.0396 (relatively homogeneous) |
Race & Ethnicity
| White | 830 |
| Black or African American | 3 |
| Asian | 8 |
| Hispanic or Latino | 6 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 322 |
| German | 289 |
| English | 154 |
| Irish | 102 |
| American | 80 |
| Other groups | 66 |
| Hispanic: Hispanic or Latino | 22 |
| Slovak | 18 |
| Hispanic: Mexican | 18 |
| Italian | 15 |
Language
| English Only | 816 |
| Spanish | 7 |
| Population 5+ | 830 |
Veterans
| Veterans | 75 |
| Population 18+ | 705 |
Commuting
| Mean Commute Time | 22.5 minutes |
| Work from Home | 18.4% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Flanagan, Illinois.