Demographics & People — Shelbyville, Illinois
Population Overview
| Population (Census) | 4,248 |
|---|
| Estimated 2026 | ~4,600 |
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| Median Age | 39.9 |
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| Total Households | 2,094 |
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| Family Households | 975 |
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| Average Household Size | 1.95 |
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| Diversity Index | 0.0254 (relatively homogeneous) |
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Race & Ethnicity
| White | 4,159 |
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| Black or African American | 11 |
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| Asian | 0 |
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| Hispanic or Latino | 43 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 1,783 |
| English | 798 |
| German | 680 |
| American | 360 |
| Other groups | 296 |
| Irish | 220 |
| French (except Basque) | 216 |
| Scottish | 125 |
| Dutch | 83 |
| Polish | 61 |
Language
| English Only | 4,038 |
|---|
| Spanish | 43 |
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| Population 5+ | 4,093 |
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Veterans
| Veterans | 318 |
|---|
| Population 18+ | 3,428 |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Shelbyville, Illinois.
