Slidell, Louisiana

Slidell
City of Slidell
Heritage Park
Nickname(s): 
The Camellia City (official), The Dell, The Dirty Dell (Owing to graffiti above I-12 East before the city limits)
Location of Slidell in St. Tammany Parish, Louisiana
Slidell
Location of Slidell in Louisiana
Coordinates: 30°16′45″N 89°46′40″W / 30.27917°N 89.77778°W / 30.27917; -89.77778
Country United States
State Louisiana
ParishSt. Tammany
Named afterJohn Slidell
Government
  MayorBill Borchert (R)
Area
  Total
15.38 sq mi (39.83 km2)
  Land15.04 sq mi (38.96 km2)
  Water0.34 sq mi (0.87 km2)
Population
 (2020)
  Total
28,781
  Density1,913.50/sq mi (738.82/km2)
Time zoneUTC−6 (CST)
  Summer (DST)UTC−5 (CDT)
ZIP Codes
70458–70461, 70469
Area code(s)985
Websitemyslidell.com

Slidell /slˈdɛl/ is a city on the northeast shore of Lake Pontchartrain in St. Tammany Parish, Louisiana, United States. The population was 28,781 at the 2020 census, making it the sixteenth-most populous city in Louisiana. It is part of the New OrleansMetairieKenner metropolitan statistical area.