Slidell Flag

Slidell

County Seat:
No
Area (mi²):
15.274
State:
Louisiana

Slidell is a city located in St. Tammany Parish, Louisiana. Slidell has a 2025 population of 28,392 . Slidell is currently declining at a rate of -0.17% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 28,629 in 2020.

The average household income in Slidell is $83,948 with a poverty rate of 15.39%. The median age in Slidell is 38.6 years: 38 years for males, and 39.1 years for females. For every 100 females there are 91.3 males.

28.4K
Total Population
1,859
Density (mi²)
-48 -0.17%
Growth

Slidell Population

Slidell Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Slidell includes 63.31% White, 20.58% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

White (63.31%)

Black or African American (20.58%)

Two or more races (9.53%)

Other race (2.58%)

Asian (2.05%)

Native American (1.95%)

Race
Population
Percentage (of total)
White18,14763.31%
Black or African American5,89920.58%
Two or more races2,7319.53%
Other race7402.58%
Asian5882.05%
Native American5591.95%

Slidell Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Slidell's average per capita income is $48,191. Household income levels show a median of $66,657. The poverty rate stands at 15.39%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$94,935-
Families$80,330$92,723
Households$66,657$83,948
Non Families$44,756$59,114

$48,191

Average Income

$66,657

Median Household Income

15.39%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)