Slidell, Louisiana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Slidell, LA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
-
C
Income Below average
-
D
Education Well below average
Source: Map AI Methodology
Population
| Metric | Slidell | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Population | 24,828 | 4,610,276 | 337,468,954 |
| Population density (per sq mi) | 1592.4 | 88.0 | 86.4 |
| Population growth (%/yr) | 1.08% | -0.10% | 0.59% |
| Median age | 36.4 | 35.9 | 37.3 |
| Households | 9,378 | 1,803,262 | 130,235,071 |
Population in Slidell grew by 11.2% from 2009 to 2024, reaching 24,828 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Slidell is Millennials, aged 29–44, at 21.2% of residents. That is 0.6 points below Louisiana as a whole.
- Gen Z 13–28 4,924 19.8% -1.6 pts
- Millennials 29–44 5,274 21.2% -0.6 pts
- Gen X 45–60 4,645 18.7% -0.7 pts
- Boomers 61–79 4,407 17.8% +0.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Louisiana, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 52.7% of the people living in Slidell and men 47.3%.
- Women 52.7% Louisiana 51.1%
- Men 47.3% Louisiana 48.9%
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Economy
Slidell has a the economy index of C, which means it is somewhat prosperous.
| Metric | Slidell | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $74,513 | $60,934 | $80,455 |
| Income growth (%/yr) | 4.68% | 3.69% | 4.80% |
| Unemployment rate | 5.0% | 6.2% | 5.2% |
The median household income in Slidell is about 22% higher than in Louisiana.
Housing
| Metric | Slidell | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $205,507 | $170,446 | $248,835 |
| Median rent | $1,422 | $1,063 | $1,407 |
| Homeownership rate | 72.9% | 67.4% | 65.2% |
The median home price in Slidell is about 12.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,422 per month for that long.
Commute Time & Mobility
Commuters in Slidell spend about 45 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 187 hours, about 7.8 full days, spent commuting.
| Metric | Slidell | Louisiana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 22.5 | 21.3 | 22.4 |
| Round-trip commute (min) | 44.9 | 42.5 | 44.8 |
| Yearly time spent (hours) | 187 | 177 | 187 |
| Estimated yearly cost | $5,805 | $5,493 | $5,790 |
| Work from home | 11.7% | 8.1% | 15.0% |
| Highway traffic (vehicles/day) | 19,362 | 8,275 | 8,813 |
| Local road traffic (vehicles/day) | 2,450 | 1,164 | 1,355 |
The average commute time in Slidell is 22 minutes, longer than the 21 minutes in Louisiana.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Slidell has a education index of D, which means it is barely educated.
| Metric | Slidell | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 26.9% | 24.0% | 31.6% |
| Average household size | 2.61 | 2.49 | 2.53 |
Health
Slidell has a health index of C, which means it is somewhat healthy.
| Metric | Slidell | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.6 | 75.1 | 78.3 |
| Self-rated poor health | 18.9% | 22.3% | 16.3% |
| Smokers | 20.7% | 23.9% | 19.0% |
Frequently Asked Questions
Common questions about Slidell, Louisiana.
How many people live in Slidell, Louisiana?
About 24,828 people live in Slidell, Louisiana, in 9,378 households of 2.6 people on average. The median age is 36.4, close to the U.S. median of 37.3.
Is Slidell, Louisiana mostly urban or rural?
Averaged over its land area, Slidell, Louisiana has 1,592 people per square mile, a density typical of urban and suburban areas. That is about 18 times the U.S. average of 86.
How affordable is housing in Slidell, Louisiana?
The median home costs 2.8 times the median household income ($205,507 against $74,513), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,422 a month takes about 23% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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