1836History
Along with a younger brother, Wesley Coke Asbury Gause, Judge Wingate, and several others, he left Shallotte, North Carolina, on February 18, and arrived at Pearlington, Mississ...
1882Government
Slidell was founded on the north shore of Lake Pontchartrain in 1882 and 1883 during construction of the New Orleans and Northeastern Railroad (N.O.N.E.).
1888Military
The town was named in honor of American politician and Confederate ambassador to France John Slidell, and officially chartered by the Louisiana State Legislature in 1888.
1910History
=== 20th century and beyond ===
Around 1910, Slidell began a period of economic and industrial growth.
1915Economy
In 1915, the creosote plant burned to the ground.
1986Economy
The creosote plant was abandoned in 1986 and became an EPA Superfund site.
2000History
In 2000, the population was 25,695.
2002Architecture
The latter opened in summer 2002.
2005Disaster
On August 29, 2005, Slidell suffered extensive damage from Hurricane Katrina, as the storm made final landfall on the morning of August 29, 2005.
2010History
At the 2010 United States census, 27,068 people, 10,050 households, and 7,145 families resided in Slidell.
2011History
On April 20, 2011, an Amtrak train derailed in Slidell which injured six people.
2016Education
The Slidell campus closed in 2016 due to financial issues.
2017Government
This campus was established in January 2017.
2019History
Per to the 2019 American Community Survey, the U.S.
2020History
== Demographics ==
As of the 2020 United States census, there were 28,781 people, 9,818 households, and 6,430 families residing in the city.
2024Disaster
On April 10, 2024, the 2024 Slidell tornado struck through the southern portion of the city.
2025Disaster
The city received 7 inches of snow during the January 20–22, 2025 Gulf Coast blizzard.