Kenner is a city in the U.S. state of Louisiana. It is the most populous city in Jefferson Parish, and is the largest incorporated suburban city of New Orleans. The population was 66,448 at the 2020 census, making it the sixth-most populous city in Louisiana.

In 1855, Kenner was founded by Minor Kenner on land that consisted of three plantation properties Oakland, Belle Grove and Pasture that had been purchased by the Kenner family. At the time, all land north of what is now Airline Highway was swampland.[citation needed]

In Kenner on May 10, 1870, "Gypsy" Jem Mace defeated Tom Allen for the heavyweight championship of the bare-knuckle boxing era; a monument marks the spot near the river end of Williams Boulevard.

From 1915 to 1931, a New Orleans streetcar line operated between New Orleans and Kenner. The line ran between the intersection of Rampart and Canal in New Orleans and the intersection of Williams Blvd and Jefferson Hwy in Kenner.

Kenner's growth began in the late 1950s when developers began subdividing, draining and filling the swampland in the northern half of the city. During the 1960s, the construction of Interstate 10 and improvements to Veterans Memorial Highway aided the rapid development of Kenner as a suburb of New Orleans.

In 1982, Pan Am Flight 759 crashed in a residential area of Kenner when a microburst forced it down. Eight people on the ground were killed, as were all 145 people aboard the aircraft. Six houses were completely destroyed and five more substantially damaged.

In October 2017, an explosion on the surface of an oil rig platform in Lake Pontchartrain north west of the Treasure Chest Casino injured 7 people.

According to the United States Census Bureau, the city has a total area of 15.2 square miles (39 km2), of which 15.1 square miles (39 km2) is land and 0.1 square miles (0.26 km2) (0.7%) is water.

The city of Kenner is located on the west side of Greater New Orleans, in Jefferson Parish. Its boundaries are Lake Pontchartrain to the north, the Mississippi River to the south, the unincorporated areas of Metairie and River Ridge to the east, and St. Charles Parish to the west.

In 2013, there were 66,975 living in Kenner, down from 70,517 people in 2000. The population density was 4,486.0 people per square mile. There were 28,076 housing units. In 2000, there were 70,517 people, 25,652 households, and 18,469 families residing in the city. The population density was 1,798.3 people/km2 (4,658 people/sq mi). There were 27,378 housing units at an average density of 698.2 units/km2 (1,808 units/sq mi). At the 2020 U.S. census, the city's population declined to 66,448.

During the 2019 American Community Survey, the racial and ethnic makeup of Kenner was 64.6% non-Hispanic white, 23.8% Black or African American, 0.5% American Indian or Alaska Native, 3.7% Asian, 5.4% some other race, and 2.3% two or more races. In 2013, the racial makeup of the city was 48.8% White, 34.7% African American, 12.1% Hispanic or Latino, 0.4% Native American, 3.7% Asian, 3.80% from other races, and 2.24% from two or more races. In 2000, the racial makeup of the city was 68.12% White, 22.55% African American, 0.40% Native American, 2.84% Asian, 0.06% Pacific Islander, 3.80% from other races, and 2.24% from two or more races. 13.62% of the population were Hispanic or Latino of any race. Reflecting the nationwide demographic shift in 2020, 40.01% were non-Hispanic white, 21.48% Black or African American, 0.17% American Indian and Alaska Native, 4.74% Asian, 0.03% Pacific Islander, 3.55% multiracial or some other race, and 30.01% Hispanic or Latino American of any race.

In the Hispanic and Latin American population of Kenner, 12 of the city's tracts have Hispanic or Latino populations of 15% or more in 2010. By 2011, many businesses catering to Hispanics and Latin Americans had opened in Kenner. A portion of north Kenner is called "Little Honduras." Kenner's Hispanic Resource Center offers English as a second language classes and after school programs.

At one time L'Express Airlines had its headquarters in Kenner.

Jefferson Parish Library operates the North Kenner Library.

The following are located in Kenner:

The mayor of Kenner is Michael Glaser.

Kenner is represented in the Louisiana House of Representatives by the Republican attorney Debbie Villio. The state senator is Republican Kirk Talbot, a former state House member. Kenner is part of Louisiana's 1st Congressional district, presently represented in the U.S. House by Steve Scalise.

Kenner is served by the Jefferson Parish Public School System.

Kenner originally had one high school, Alfred Bonnabel High School, which is located on the border between Metairie and Kenner. Most areas in Kenner are zoned to this high school, while some areas in the southeast are zoned to East Jefferson High School in Metairie.

Kenner Discovery Health Sciences Academy, a public charter school, was founded in 2013. It has an elementary campus in Metairie and secondary campuses in Kenner.

Previously, some areas were zoned to Grace King High School in Metairie. King closed in 2023.

Theodore Roosevelt Middle School and Kenner Discovery Health Sciences Academy are the two middle schools in Kenner. In addition to Roosevelt and Kenner Discovery, middle schools serving sections of Kenner include Adams Middle and Harris Middle in Metairie, and Riverdale Middle in Jefferson.

Jefferson Parish public elementary schools include:

In regards to the advanced studies academies, students are zoned to Airline Park Academy.

Washington Elementary School in Kenner closed in 2023.

Private schools include:

The Kenner Star is Kenner's free monthly community newspaper. Kenner is served primarily by New Orleans–based media outlets.

Public transportation in the city is operated by the Jefferson Parish Department of Transit Administration which operates Jefferson Transit. Jefferson Transit provides service to points in Kenner, Metairie and New Orleans as well as other locations in incorporated and unincorporated Jefferson Parish.

Kenner is served by Interstate 10, which travels east–west through the city. Traveling westbound from the city line there are exits at Power Blvd., LA 49 (Williams Blvd.)/32nd St. New Orleans Int'l Airport, and Loyola Dr.

In addition, the interstate, U.S. 61 (generally signed as Airline Dr.) travels east–west through the southern end of the city. LA 49 (signed as Williams Blvd) is the city's primary north–south corridor.