Mandeville
A city in St. Tammany Parish, Louisiana — population 12,559 as of 2020.
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News around St. Tammany Parish
The City of Slidell and Leadership Northshore are excited to announce the winners of Northshore Trashformation, an innovative new art exhibit that challenges artists to turn litter into works of […]
Creatives & Arts
Boil Water Advisory: Taos Street and I-10 Service Road
The City of Slidell is responding to a loss of water pressure affecting Taos Street and the W. I-10 Service Road. The loss of pressure occurred while a 2-inch water […]
Public SafetySlidell Mayor Randy Fandal and the Leadership Northshore Class of 2026 invite the public to attend the opening reception for “Northshore Trashformation” on Friday, Sept. 18, from 5 to 8 […]
The City of Slidell is excited to announce the complete lineup for the 24th annual Bayou Jam Fall Concert Series, featuring four free concerts and a special Veterans Day performance. […]
On Sept. 3, Slidell Mayor Randy Fandal joined Police Chief Tommy Williams, members of the Slidell City Council, city administration, elected officials, community leaders, and members of the public for the […]
In observance of Labor Day, city offices will be closed on Monday, Sept. 7, 2026, and will reopen during regular hours on Tuesday, Sept. 8. Essential personnel will remain […]
In and around Mandeville
See & do
- 1st Lake Properties
- Acropolis of Mandeville
- Altitude Trampoline Park Mandeville
- Children's Museum of St. Tammany
- Colbert Cove Marina
Eat, drink & stay
+197 more on the mapMusicians & bands near Mandeville →
Explore the Greater Slidell metro →
Mandeville changes faster than we can keep up.
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Mandeville by the numbers
- Area
- 7.66 sq mi (19.84 km²), 0.16 sq mi water
- Median age
- 43.7
- Households
- 5,582
- Persons per household
- 2.3
- Median household income
- $94,405
- Median house value
- $376,100
- Office
- CITY CLERK
- Address
- 3101 E CAUSEWAY APPROACH, MANDEVILLE, LA 70448