Mandeville city, Louisiana Demographics & Population 2026

Name: Mandeville city, Louisiana Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Mandeville city, Louisiana has a total population of 12,931, the 37th largest city in Louisiana, with a median household income of $89,122, which is 48% higher than the state average. The poverty rate is 9.2%.

Key Takeaways

Household income is 48% above the state average — one of the wealthiest communities in Louisiana.
46.6% of adults hold a bachelor's degree or higher — top 10% in Louisiana.

Mandeville city Quick Facts

Population 12,931

Median Household Income $89,122

Median Home Value $363,300

Poverty Rate 9.2%

Unemployment Rate 3.3%

Median Age 44.3 years

Homeownership Rate 67.9%

Affordability Ratio 4.1x

Bachelor's Degree or Higher 46.6%

High School Graduation Rate 95.1%

Diversity Index 32/100

Population 12,931 37th of 487

Median Income $89,122 top 10%

Poverty Rate 9.2% 26% lower national

Median Home Value $363,300 top 10%

How Mandeville city Compares

Median Household Income

Mandeville city

$89,122

$60,023

National

$78,538

Median Home Value

Mandeville city

$363,300

$208,700

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 12.3%

$25K-$50K 17.7%

$50K-$100K 24.0%

$100K+ 46.0%

Employment

3.3% Unemployment Rate State: 6.3% | National: 5.2%

63.4% Labor Force Participation

Housing Overview

Owner 67.9%

Renter 32.1%

Affordability Index Moderate

4.1x home value to income ratio

People & Demographics

Age Distribution

Under 18

22.6%

18-34

16.3%

35-54

26.4%

55-74

25.4%

75+

9.4%

Race & Ethnicity

Diversity Index

Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 58 | National average: 60

Education

Educational Attainment (Adults 25+)

Mandeville city Rankings in Louisiana

#37 Population of 487

#42 Median Income of 487

#12 Education of 487

#5 Home Value of 487

Explore Louisiana Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Mandeville city

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
River Ridge CDP	13,170	$84,464	$330,700	37.8%	8.0%
Luling CDP	13,873	$82,273	$268,400	32.7%	11.6%
Moss Bluff CDP	11,451	$85,984	$242,300	28.4%	12.3%
Claiborne CDP	12,647	$69,173	$214,100	33.1%	11.3%
Destrehan CDP	11,786	$100,189	$303,400	41.3%	12.3%

Population Overview

Mandeville city is a small city located in Louisiana. The total population is 12,931. It ranks as the 37th most populous out of 487 cities and towns in Louisiana.

Age Demographics

The median age in Mandeville city is 44.3 years. This is 17% higher than the state median of 37.8 years.

Economy, Income & Housing

The median household income in Mandeville city is $89,122. This is 48% higher than the state median of $60,023. Compared to the national median of $78,538, household income here is 13% higher. The poverty rate stands at 9.2%. This is 51% lower than the state poverty rate of 18.9%. The unemployment rate is 3.3%. This is 48% lower than the state rate of 6.3%. The median home value is $363,300. Housing costs are 74% higher than the state median of $208,700. The home-value-to-income ratio is 4.1x. 67.9% of occupied housing units are owner-occupied.

Race & Ethnicity

The largest racial or ethnic group in Mandeville city is White (non-Hispanic), making up 82.0% of the population. Hispanic or Latino residents account for 8.3%. The Black or African American population (3.0%) is well below the state average of 30.8%.

Education

46.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Mandeville city in the top 10% of all cities in the state for educational attainment. This is 76% higher than the state rate of 26.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.1%. Notably, 17.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Mandeville city, Louisiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Louisiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 487 Census-designated places in Louisiana. For official data, visit data.census.gov.

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Frequently Asked Questions

What is the population of Mandeville city, Louisiana?

Mandeville city, Louisiana has a population of 12,931 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Mandeville city, LA?

The median household income in Mandeville city is $89,122, which is 13% higher the national median of $78,538.

What is the poverty rate in Mandeville city, LA?

The poverty rate in Mandeville city is 9.2%. This means approximately 1,167 residents live below the federal poverty line.

What is the racial makeup of Mandeville city, Louisiana?

Mandeville city's population is 82.0% White, 3.0% Black, 8.3% Hispanic/Latino, and 2.4% Asian.

What is the median home value in Mandeville city, LA?

The median home value in Mandeville city is $363,300. The home-value-to-income ratio is 4.1x.

How educated is Mandeville city, Louisiana?

46.6% of adults (25+) in Mandeville city hold a bachelor's degree or higher, and 17.7% hold a graduate or professional degree.