How many people live in the ?

Updated Mar. 4, 2026Refreshed annually
In 2024 there were 277,600 people in the Slidell, LA area. That makes the Slidell, LA metropolitan statistical area the 183rd-most populous metro area in the US. It is home to 0.08% of the nation's population.

278K

population of Slidell, LA area (2024)

0.08%

Slidell, LA area share of US population (2024)

Between 2020 and 2024, the population of the Slidell, LA area increased from 265,000 to 277,600—a 4.8% increase. During that same period, the US population grew 2.5%.

About 277,600 people lived in the Slidell, LA area in 2024.

Population estimates of the Slidell-Mandeville-Covington, LA Metro Area, 2020–2024



What are the age demographics of the Slidell, LA area?

About 19.4% of the Slidell, LA area's population in 2024 was aged 65 years or older, higher than the 18% share in the nation overall. Children (under 18) account for 23.1% of the Slidell, LA area population, above the 21.6% population share of children nationwide.

A higher share of the Slidell, LA area population is 65 and older than the US overall.

Population share by age group in Slidell-Mandeville-Covington, LA Metro Area and the US overall (2024)

What is the racial and ethnic makeup of the Slidell, LA area?

Non-Hispanic Black or African American residents make up 14.6% of the Slidell, LA area population, higher than the national share of 12.6%. Non-Hispanic white residents make up 72.7% of the population, higher than the national share of 57.5%.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

A higher share of the Slidell, LA area population is non-Hispanic white than the US overall.

Population share by race and ethnicity in Slidell-Mandeville-Covington, LA Metro Area and the US overall (2024)

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.