Zip Code 70458
Slidell, Louisiana — St. Tammany Parish
📍 ZIP code 70458 is in Slidell, St. Tammany Parish, Louisiana.
ZIP code 70458 is located in Slidell, St. Tammany Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 39,385. The area code for ZIP code 70458 is 318.
Quick Answer
Zip code 70458 is in Slidell, Louisiana (St. Tammany Parish). It has a population of 39,385, median household income of $69,816, and median home value of $227,200.
Population
39,385
Income
$69,816
Home Value
$227,200
Climate
90°F / 42°F
About Zip Code 70458
Zip code 70458 is located in Slidell, Louisiana, within St. Tammany Parish. Home to approximately 39,385 residents, this area sits at an elevation of 4 ft and falls within the Central (CST/CDT) timezone. The local area code is 318.
The median household income is $69,816 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $227,200, and the cost of living index is 81 (19% below the national average of 100).
Summers average a high of 90°F while winters drop to 42°F. The area receives about 66 in of rain annually. The zip code covers 20.9 square miles of land area and 3.8 square miles of water.
Key Statistics
39,385
$69,816
$227,200
Central (CST/CDT)
318
4 ft
20.9 sq mi
39.6
17,026
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Compare With Nearby Zip Codes
| Metric | 70458 | 70460 | 70461 | 70445 | 70452 | 39572 |
|---|---|---|---|---|---|---|
| City | Slidell, LA | Slidell, LA | Slidell, LA | Lacombe, LA | Pearl River, LA | Bay Saint Louis, MS |
| Population | 39,385 | 21,880 | 33,572 | 9,421 | 13,290 | 1,031 |
| Median Income | $69,816 | $63,413 | $88,035 | $75,233 | $62,046 | $52,383 |
| Home Value | $227,200 | $184,400 | $267,100 | $220,400 | $219,900 | $108,100 |
| Cost of Living | 81 | 69 | 101 | 81 | 78 | 60 |
| Median Age | 39.6 | 37.7 | 38.7 | 44.8 | 43.3 | 48.9 |
Cost of Living
100 = National Average. Slidell's cost of living is 19% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.3x
Demographics
Zip code 70458 has a population of 39,385 people with a median age of 39.6. There are 17,026 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Slidell (70458) population trend from 2010 to 2024
↑ 106.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
42°F
66 in
0 in
Slidell experiences hot summers with average highs around 90°F. Winters are mild with lows averaging 42°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$227,200
Median Household Income
$69,816
With 17,026 housing units across 20.9 square miles, 70458 has a housing density of 815 units per square mile. The home price-to-income ratio is 3.3x.
Location & Geography
Latitude
30.2621°
Longitude
-89.7941°
Land Area
20.9 sq mi
Water Area
3.8 sq mi
Nearby Zip Codes
Zip codes closest to 70458 (Slidell, LA) with distances:
All Zip Codes in Slidell, LA
Other zip codes serving Slidell:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70458's $69,816. A way to compare Slidell to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 70458 (Slidell, LA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Slidell, Louisiana?
Slidell, Louisiana uses zip code 70458 along with 2 other zip codes.
What county is zip code 70458 in?
Zip code 70458 is located in St. Tammany Parish, Louisiana.
What is the population of zip code 70458?
The population of zip code 70458 is 39,385 with a median age of 39.6.
Is 70458 in Slidell, Louisiana?
Yes, zip code 70458 is in Slidell, St. Tammany Parish, Louisiana. The area code is 318.
Frequently Asked Questions
What city is zip code 70458 in?
Zip code 70458 is in Slidell, Louisiana. It is part of St. Tammany Parish and uses the Central (CST/CDT) timezone.
What is zip code 70458?
Zip code 70458 is a U.S. postal code in Slidell, Louisiana (St. Tammany Parish). It has a population of 39,385 and covers 20.9 square miles.
What is the population of zip code 70458?
The population of zip code 70458 (Slidell, LA) is 39,385 with a median age of 39.6. There are approximately 17,026 housing units in this area.
What is the median income in zip code 70458?
The median household income in zip code 70458 (Slidell, LA) is $69,816 per year. The cost of living index is 81 (100 = national average).
What is the average home price in zip code 70458?
The median home value in zip code 70458 (Slidell, LA) is $227,200. The cost of living index is 81 compared to the national average of 100.
What county is zip code 70458 in?
Zip code 70458 is located in St. Tammany Parish, Louisiana. The primary city is Slidell.
What is the area code for zip code 70458?
Zip code 70458 in Slidell, LA uses area code 318. It is located in the Central (CST/CDT) timezone.
Is zip code 70458 a good place to live?
Zip code 70458 (Slidell, LA) has a cost of living index of 81 (100 = national average), a median household income of $69,816, and median home values of $227,200. The median age is 39.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70458?
The cost of living index for zip code 70458 (Slidell, LA) is 81, where 100 represents the national average. This area is below the national average. Median home value: $227,200.
What schools serve zip code 70458?
Zip code 70458 in Slidell, Louisiana is served by the local school district of St. Tammany Parish. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.