Browse / United States / Louisiana / Slidell
Slidell
Louisianacity
Slidell
Total population
28,561
Median home value
$217,700
Bachelor's+
Median income
$70,497
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Overview
Slidell 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 Orleans−Metairie−Kenner metropolitan statistical area.
Read more on WikipediaHistory & geography
History
One of the earlier settlers to the area was Foster Willie. 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, Mississippi, on April 14, 1836. Wesley and his family remained there, while John and family crossed the Pearl River and built a log cabin on the west bank, a little further south. He then began a lumber mill in the fledgling town later known as Slidell. His traveling back and forth from lumber yard to home created a road known today as Gause Boulevard, a major east–west street in the town. The lumber yard was where Gause Boulevard crosses the railroad track. The log cabin was built at the east end of the road, just a few yards from the river. The house stood until the late 1990s, and a small family burial plot still remains where John is buried between his two wives, Lydia Russ and Johanna Frederica VanHeemskerk. 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.). The N.O.N.E. line connected New Orleans to Meridian, Mississippi. 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. The plant was rebuilt on Bayou Lane, closer to a water source and a fire station. Eventually, creosote polluted the bayou, a source of drinking water for many of Slidell's residents. The creosote plant was abandoned in 1986 and became an EPA Superfund site. The canal was dredged and waste incinerated until completion of the cleanup in the 1990s. At that time a boat launch was built and Heritage Park was constructed on the former site. With the…
Geography
Slidell is located at (30.279040, -89.777744), and has an elevation of . It is in southeastern St. Tammany Parish, located approximately north of Lake Pontchartrain. The city forms part of the Greater New Orleans area. According to the United States Census Bureau, the city has a total area of , of which is land and , or 2.39%, is water. Slidell has a humid subtropical climate, with short, generally mild winters (slightly cooler than the southshore part of the New Orleans area) and hot, humid summers. Precipitation in winter usually accompanies the passage of a cold front. Hurricanes pose a threat to the area, and the city is vulnerable because of its low elevation.
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Slidell, LA from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Age-adjusted prevalence estimates from CDC PLACES (latest release).
Walkability
Amenities nearby
Wildlife & biodiversity
Schools
Largest nearby schools
- Slidell High SchoolHigh · Slidell · 1,883 students · 20.2:1 ratio
- Northshore High SchoolHigh · Slidell · 1,681 students · 20.5:1 ratio
- Salmen High SchoolHigh · Slidell · 1,216 students · 21:1 ratio
- W.L. Abney Elementary SchoolElementary · Slidell · 1,094 students · 21.9:1 ratio
- Little Oak Middle SchoolMiddle · Slidell · 929 students · 19.4:1 ratio
- Henry Mayfield Elementary SchoolElementary · Slidell · 832 students · 17.7:1 ratio
- Pearl River High SchoolHigh · Pearl River · 830 students · 18.4:1 ratio
- Slidell Junior High SchoolMiddle · Slidell · 823 students · 21.7:1 ratio
Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).
Earthquake history
Photos
Sights & places nearby
Notable people from here
Nearby places in Louisiana
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Slidell

Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • Wikipedia
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • NCES via Urban Institute Education Data Portal
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library