Demographics & People — South Jacksonville, Illinois
Population Overview
| Population (Census) | 3,255 |
|---|
| Estimated 2026 | ~3,200 |
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| Median Age | 48.7 |
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| Total Households | 1,677 |
|---|
| Family Households | 904 |
|---|
| Average Household Size | 1.94 |
|---|
| Diversity Index | 0.1394 (relatively homogeneous) |
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Race & Ethnicity
| White | 3,046 |
|---|
| Black or African American | 110 |
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| Asian | 17 |
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| Hispanic or Latino | 115 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 655 |
| Unclassified or not reported | 640 |
| American | 635 |
| Irish | 632 |
| Other groups | 547 |
| English | 504 |
| Italian | 121 |
| Scottish | 81 |
| Dutch | 79 |
| French (except Basque) | 71 |
Language
| English Only | 3,106 |
|---|
| Spanish | 7 |
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| Population 5+ | 3,147 |
|---|
Veterans
| Veterans | 237 |
|---|
| Population 18+ | 2,636 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for South Jacksonville, Illinois.
