Mandeville

County:: St. Tammany Parish
County Seat:: No
Area (mi²):: 9.359
State:: Louisiana

Mandeville is a city located in St. Tammany Parish, Louisiana. Mandeville has a 2025 population of 13,105. Mandeville is currently growing at a rate of 0.41% annually and its population has increased by 2.06% since the most recent census, which recorded a population of 12,840 in 2020.

The average household income in Mandeville is $134,276 with a poverty rate of 9.2%. The median age in Mandeville is 44.3 years: 44.4 years for males, and 44 years for females.

Demographics

The racial composition of Mandeville includes 84.29% White, 3.03% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	10,900	84.29%
Two or more races	1,239	9.58%
Black or African American	392	3.03%
Asian	353	2.73%
Other race	41	0.32%
Native American	6	0.05%
Native Hawaiian or Pacific Islander	0	0%

Mandeville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mandeville's average per capita income is $66,740. Household income levels show a median of $89,122. The poverty rate stands at 9.2%.

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	$143,333	-
Families	$138,087	$167,217
Households	$89,122	$134,276
Non Families	$49,776	$69,532

$66,740

Average Income

$89,122

Median Household Income

9.2%

Poverty Rate