Slidell, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Slidell, Louisiana is 28,664 as of the 2023 American Community Survey, making it the 15th-largest city in Louisiana. The median household income is $66,657, the median home value is $207,800, and the median age is 38.6.
The population has grown 4.1% since 2010 (27,315 → 28,440).
28,664
Population
1884
People / sq mi
$66,657
Median Income
$207,800
Median Home Value
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Slidell covers 15.2 sq mi of land at 1884 people per square mile.
About Slidell, LA
In Slidell, home values do the distinguishing — a median of $207,800. With 28,664 residents, Slidell is a city in Louisiana. It ranks #15 among cities in Louisiana by population.
Household earnings are middling, with a median of $66,657 — below the US median of $78,538. Poverty runs at 10.2%, below the national 12.4%. Homes are comparatively cheap — a median value of $207,800, with typical rent around $1,381.
Degree attainment is mid-range for US cities: 30.9% of adults hold a four-year degree, below the national 35.0%. Around 12.0% of workers work from home, below the national 14.0%, and the average commute runs about 29 minutes each way.
Slidell city Population History (2010-2024)
The city of Slidell city had a population of 27,315 in 2010 and 28,440 in 2024, a 4.1% growth over 14 years. The peak was 28,737 in 2021. Average annual growth rate: 0.29%.
28,440
Population (2024)
27,315
Population (2010)
28,737
Peak (2021)
0.29%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 27,315 |
| 2011 | 27,443 |
| 2012 | 27,471 |
| 2013 | 27,564 |
| 2014 | 27,643 |
| 2015 | 27,876 |
| 2016 | 27,929 |
| 2017 | 27,911 |
| 2018 | 27,770 |
| 2019 | 27,633 |
| 2020 | 28,629 |
| 2021 | 28,737 |
| 2022 | 28,601 |
| 2023 | 28,470 |
| 2024 | 28,440 |
Race & Ethnicity
| White | 63.3% |
| Black or African American | 20.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.0% |
| Two or More Races | 0.0% |
Economy & Income
$66,657
Median Household Income
$33,984
Per Capita Income
10.2%
Poverty Rate
2.6%
Unemployment Rate
Housing
$207,800
Median Home Value
$1,381
Median Rent
69.8%
Owner-Occupied
Education
90.4%
High School+
30.9%
Bachelor's+
Commute
0.7%
Drive Alone
75.0%
Public Transit
12.0%
Work From Home
29.4 min
Avg Commute
Community Profile
27.2%
Foreign Born
92.4%
Non-English at Home
8.4%
Veterans
18.7%
With Disability
89.3%
Health Insurance
94.8%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.6% |
| Finance, Insurance & Real Estate | 10.5% |
| Education, Health Care & Social Services | 10.1% |
| Construction | 7.9% |
| Retail Trade | 6.4% |
| Information | 6.2% |
| Manufacturing | 6.1% |
| Arts, Entertainment & Food Services | 5.2% |
| Public Administration | 4.2% |
| Agriculture & Mining | 2.3% |
| Transportation & Warehousing | 1.9% |
Largest cities in Louisiana
Largest counties in Louisiana
Part of Louisiana
Metro areas in Louisiana
City rankings
Frequently Asked Questions
Slidell, Louisiana has a population of 28,664 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 15th-largest city in Louisiana.
The median household income in Slidell, Louisiana is $66,657, with 10.2% of residents living below the federal poverty level.
The median home value in Slidell, Louisiana is $207,800, with median monthly rent at $1,381 and a homeownership rate of 69.8%.
The median age in Slidell, Louisiana is 38.6 years. The population is 47.7% male and 52.3% female.
The population has grown 4.1% since 2010 (27,315 → 28,440).
Where to stay in Slidell
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.