Demographics & People — Gillis, Louisiana
Population Overview
| Population (Census) | 763 |
|---|
| Estimated 2026 | ~500 |
|---|
| Median Age | 52.4 |
|---|
| Total Households | 258 |
|---|
| Family Households | 252 |
|---|
| Average Household Size | 2.96 |
|---|
| Diversity Index | 0.2041 (somewhat diverse) |
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Race & Ethnicity
| White | 675 |
|---|
| Black or African American | 88 |
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| Asian | 0 |
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| Hispanic or Latino | 0 |
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Heritage & Ancestry
| Group | Count |
|---|
| Irish | 181 |
| Other groups | 153 |
| French Canadian | 135 |
| Unclassified or not reported | 115 |
| Cajun | 105 |
| American | 65 |
| English | 60 |
| French (except Basque) | 50 |
| Hispanic: Hispanic or Latino | 40 |
| Hispanic: Central American | 40 |
Language
| English Only | 717 |
|---|
| Spanish | 0 |
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| Population 5+ | 735 |
|---|
Veterans
| Veterans | 24 |
|---|
| Population 18+ | 744 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Gillis, Louisiana.
