Demographics & People — Slidell, Louisiana
Population Overview
| Population (Census) | 28,664 |
| Estimated 2026 | ~28,300 |
| Median Age | 38.9 |
| Total Households | 11,033 |
| Family Households | 7,116 |
| Average Household Size | 2.56 |
| Diversity Index | 0.501 (moderately diverse) |
Race & Ethnicity
| White | 18,147 |
| Black or African American | 5,899 |
| Asian | 588 |
| Hispanic or Latino | 2,652 |
Heritage & Ancestry
| Group | Count |
| Other groups | 8,094 |
| Unclassified or not reported | 5,915 |
| French (except Basque) | 3,710 |
| Irish | 3,686 |
| American | 3,467 |
| German | 3,315 |
| Italian | 2,678 |
| English | 2,273 |
| Hispanic: Hispanic or Latino | 1,977 |
| Hispanic: Other Hispanic or Latino | 750 |
Language
| English Only | 24,809 |
| Spanish | 1,192 |
| Population 5+ | 26,864 |
Veterans
| Veterans | 1,742 |
| Population 18+ | 21,143 |
Commuting
| Mean Commute Time | 29.1 minutes |
| Work from Home | 11.1% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Slidell, Louisiana.