Demographics & People — St. Jacob, Illinois
Population Overview
| Population (Census) | 1,617 |
| Estimated 2026 | ~2,100 |
| Median Age | 33.9 |
| Total Households | 529 |
| Family Households | 415 |
| Average Household Size | 3.06 |
| Diversity Index | 0.0457 (relatively homogeneous) |
Race & Ethnicity
| White | 1,509 |
| Black or African American | 0 |
| Asian | 6 |
| Hispanic or Latino | 30 |
Heritage & Ancestry
| Group | Count |
| German | 559 |
| Unclassified or not reported | 514 |
| English | 247 |
| Irish | 233 |
| Other groups | 160 |
| Scottish | 119 |
| Dutch | 71 |
| American | 43 |
| European | 32 |
| Hispanic: Hispanic or Latino | 31 |
Language
| English Only | 1,453 |
| Spanish | 13 |
| Population 5+ | 1,466 |
Veterans
| Veterans | 121 |
| Population 18+ | 1,054 |
Commuting
| Mean Commute Time | 28.0 minutes |
| Work from Home | 8.2% |
| 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 St. Jacob, Illinois.