Demographics & People — San Jose, Illinois
Population Overview
| Population (Census) | 604 |
|---|
| Estimated 2026 | ~500 |
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| Median Age | 34.0 |
|---|
| Total Households | 228 |
|---|
| Family Households | 162 |
|---|
| Average Household Size | 2.65 |
|---|
| Diversity Index | 0.0853 (relatively homogeneous) |
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Race & Ethnicity
| White | 517 |
|---|
| Black or African American | 0 |
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| Asian | 20 |
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| Hispanic or Latino | 4 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 222 |
| German | 125 |
| Other groups | 107 |
| Irish | 74 |
| American | 63 |
| English | 56 |
| French (except Basque) | 22 |
| Scottish | 18 |
| Swedish | 12 |
| Hispanic: Hispanic or Latino | 11 |
Language
| English Only | 550 |
|---|
| Spanish | 4 |
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| Population 5+ | 555 |
|---|
Veterans
| Veterans | 28 |
|---|
| Population 18+ | 480 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for San Jose, Illinois.
