Mandeville, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Mandeville, Louisiana is 12,931 as of the 2023 American Community Survey, making it the 37th-largest city in Louisiana. The median household income is $89,122, the median home value is $363,300, and the median age is 44.3.
The population has grown 7.4% since 2010 (12,081 → 12,973).
12,931
Population
1397
People / sq mi
$89,122
Median Income
$363,300
Median Home Value
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Mandeville covers 9.3 sq mi of land at 1397 people per square mile.
About Mandeville, LA
Mandeville skews on age — the median resident is 44.3, older than the national median. Mandeville is a city in Louisiana with a population of 12,931. It ranks #37 among cities in Louisiana by population.
The typical household here earns about $89,122, above the US median of $78,538. The poverty rate is 7.4%, below the national 12.4%. Homes carry a median value of $363,300, with typical rent around $1,326.
About 46.6% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. A solid 19.7% of workers are based at home, above the national 14.0%, and the average commute runs about 29 minutes each way.
The age structure shapes everything downstream in Mandeville — from housing demand to the mix of working-age earners reflected in the income figures above.
Mandeville city Population History (2010-2024)
The city of Mandeville city had a population of 12,081 in 2010 and 12,973 in 2024, a 7.4% growth over 14 years. The peak was 12,995 in 2023. Average annual growth rate: 0.51%.
12,973
Population (2024)
12,081
Population (2010)
12,995
Peak (2023)
0.51%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,081 |
| 2011 | 12,159 |
| 2012 | 12,199 |
| 2013 | 12,243 |
| 2014 | 12,290 |
| 2015 | 12,363 |
| 2016 | 12,434 |
| 2017 | 12,474 |
| 2018 | 12,461 |
| 2019 | 12,475 |
| 2020 | 12,826 |
| 2021 | 12,966 |
| 2022 | 12,994 |
| 2023 | 12,995 |
| 2024 | 12,973 |
Race & Ethnicity
| White | 84.3% |
| Black or African American | 3.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Economy & Income
$89,122
Median Household Income
$58,912
Per Capita Income
7.4%
Poverty Rate
2.1%
Unemployment Rate
Housing
$363,300
Median Home Value
$1,326
Median Rent
67.9%
Owner-Occupied
Education
95.1%
High School+
46.6%
Bachelor's+
Commute
0.0%
Drive Alone
72.8%
Public Transit
19.7%
Work From Home
28.6 min
Avg Commute
Community Profile
27.9%
Foreign Born
92.6%
Non-English at Home
7.5%
Veterans
11.1%
With Disability
95.7%
Health Insurance
95.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 18.6% |
| Finance, Insurance & Real Estate | 16.2% |
| Information | 12.9% |
| Retail Trade | 7.0% |
| Education, Health Care & Social Services | 6.9% |
| Construction | 6.4% |
| Manufacturing | 5.7% |
| Public Administration | 2.5% |
| Arts, Entertainment & Food Services | 2.3% |
| Agriculture & Mining | 1.2% |
| Transportation & Warehousing | 1.1% |
Largest cities in Louisiana
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City rankings
Frequently Asked Questions
Mandeville, Louisiana has a population of 12,931 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest city in Louisiana.
The median household income in Mandeville, Louisiana is $89,122, with 7.4% of residents living below the federal poverty level.
The median home value in Mandeville, Louisiana is $363,300, with median monthly rent at $1,326 and a homeownership rate of 67.9%.
The median age in Mandeville, Louisiana is 44.3 years. The population is 47.3% male and 52.7% female.
The population has grown 7.4% since 2010 (12,081 → 12,973).
Mandeville city, LA Climate
Mandeville city, LA has an average annual temperature of 19.7°C (67°F) and receives about 1599 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
19.7°C
Avg Temp
1599
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 10° / 51° | 142 mm |
| February | 12° / 54° | 141 mm |
| March | 16° / 61° | 148 mm |
| April | 19° / 67° | 128 mm |
| May | 24° / 74° | 134 mm |
| June | 27° / 80° | 130 mm |
| July | 28° / 82° | 166 mm |
| August | 28° / 82° | 148 mm |
| September | 26° / 78° | 128 mm |
| October | 20° / 68° | 83 mm |
| November | 15° / 60° | 119 mm |
| December | 12° / 54° | 132 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Mandeville city, LA
The most comfortable months to visit Mandeville city, LA are typically October, April and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 5°C low). July is usually the wettest month.
Where to stay near Mandeville
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Population, race, income, age, and trends across Louisiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.