Slidell, Louisiana
Seal of Louisiana
Slidell · St. Tammany Parish, Louisiana
Population 28,664 (est. 2026: ~28,300)
Source: Census ACS 2023 · ACS 2023 + -0.36% annual growth projection
# Slidell, Louisiana St. Tammany Parish, Louisiana · Population 28,781

Contact this office — local service-area, municipal code pointer, and corrections form.