Demographics & People — Knollwood, Illinois
Population Overview
| Population (Census) | 1,907 |
|---|
| Estimated 2026 | ~1,800 |
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| Median Age | 36.4 |
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| Total Households | 626 |
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| Family Households | 517 |
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| Average Household Size | 2.89 |
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| Diversity Index | 0.3654 (somewhat diverse) |
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Race & Ethnicity
| White | 1,580 |
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| Black or African American | 116 |
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| Asian | 26 |
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| Hispanic or Latino | 303 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 700 |
| Other groups | 424 |
| Irish | 337 |
| Hispanic: Hispanic or Latino | 300 |
| Hispanic: Mexican | 243 |
| German | 212 |
| English | 109 |
| Italian | 90 |
| Russian | 69 |
| Swedish | 62 |
Language
| English Only | 1,544 |
|---|
| Spanish | 122 |
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| Population 5+ | 1,775 |
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Veterans
| Veterans | 57 |
|---|
| Population 18+ | 1,057 |
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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 Knollwood, Illinois.
