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 and multiracial populations.

Population by Race

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%

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