Demographics & People — Lake Summerset, Illinois
Population Overview
| Population (Census) | 2,240 |
|---|
| Estimated 2026 | ~2,700 |
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| Median Age | 45.1 |
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| Total Households | 874 |
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| Family Households | 676 |
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| Average Household Size | 2.56 |
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| Diversity Index | 0.109 (relatively homogeneous) |
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Race & Ethnicity
| White | 2,210 |
|---|
| Black or African American | 18 |
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| Asian | 12 |
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| Hispanic or Latino | 104 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 605 |
| German | 584 |
| Irish | 384 |
| Italian | 214 |
| English | 152 |
| Hispanic: Mexican | 138 |
| Hispanic: Hispanic or Latino | 138 |
| Swedish | 107 |
| Other groups | 100 |
| Swiss | 52 |
Language
| English Only | 2,191 |
|---|
| Spanish | 0 |
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| Population 5+ | 2,217 |
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Veterans
| Veterans | 132 |
|---|
| Population 18+ | 1,542 |
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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 Lake Summerset, Illinois.
