Demographics & People — Jacksonville, Illinois
Population Overview
| Population (Census) | 17,490 |
| Estimated 2026 | ~19,300 |
| Median Age | 37.6 |
| Total Households | 6,721 |
| Family Households | 3,550 |
| Average Household Size | 2.25 |
| Diversity Index | 0.2473 (somewhat diverse) |
Race & Ethnicity
| White | 14,433 |
| Black or African American | 1,525 |
| Asian | 207 |
| Hispanic or Latino | 579 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 5,277 |
| Other groups | 4,267 |
| German | 3,629 |
| English | 2,267 |
| Irish | 2,065 |
| Italian | 872 |
| American | 703 |
| Hispanic: Hispanic or Latino | 638 |
| Hispanic: Mexican | 474 |
| French (except Basque) | 469 |
Language
| English Only | 16,073 |
| Spanish | 318 |
| Population 5+ | 16,636 |
Veterans
| Veterans | 1,125 |
| Population 18+ | 14,617 |
Commuting
| Mean Commute Time | 16.0 minutes |
| Work from Home | 7.7% |
| 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 Jacksonville, Illinois.