Zip Code 70448
Mandeville, Louisiana — St. Tammany Parish
📍 ZIP code 70448 is in Mandeville, St. Tammany Parish, Louisiana.
ZIP code 70448 is located in Mandeville, St. Tammany Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 25,851. The area code for ZIP code 70448 is 318.
Quick Answer
Zip code 70448 is in Mandeville, Louisiana (St. Tammany Parish). It has a population of 25,851, median household income of $88,929, and median home value of $324,100.
Population
25,851
Income
$88,929
Home Value
$324,100
Climate
90°F / 40°F
About Zip Code 70448
Zip code 70448 is located in Mandeville, Louisiana, within St. Tammany Parish. Home to approximately 25,851 residents, this area sits at an elevation of 15 ft and falls within the Central (CST/CDT) timezone. The local area code is 318.
The median household income is $88,929 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $324,100, and the cost of living index is 114 (14% above the national average of 100).
Summers average a high of 90°F while winters drop to 40°F. The area receives about 63 in of rain annually. The zip code covers 21.9 square miles of land area and 2.8 square miles of water.
Key Statistics
25,851
$88,929
$324,100
Central (CST/CDT)
318
15 ft
21.9 sq mi
41.1
10,372
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Compare With Nearby Zip Codes
| Metric | 70448 | 70471 | 70445 | 70433 | 70420 | 70447 |
|---|---|---|---|---|---|---|
| City | Mandeville, LA | Mandeville, LA | Lacombe, LA | Covington, LA | Abita Springs, LA | Madisonville, LA |
| Population | 25,851 | 23,745 | 9,421 | 41,770 | 7,965 | 17,473 |
| Median Income | $88,929 | $96,510 | $75,233 | $79,354 | $72,180 | $123,841 |
| Home Value | $324,100 | $370,100 | $220,400 | $316,200 | $278,300 | $390,600 |
| Cost of Living | 114 | 130 | 81 | 106 | 98 | 142 |
| Median Age | 41.1 | 42.9 | 44.8 | 40.7 | 39.7 | 37.8 |
Cost of Living
100 = National Average. Mandeville's cost of living is 14% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.6x
Demographics
Zip code 70448 has a population of 25,851 people with a median age of 41.1. There are 10,372 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mandeville (70448) population trend from 2010 to 2024
↑ 26.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
40°F
63 in
0 in
Mandeville experiences hot summers with average highs around 90°F. Winters are mild with lows averaging 40°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$324,100
Median Household Income
$88,929
With 10,372 housing units across 21.9 square miles, 70448 has a housing density of 474 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
30.3622°
Longitude
-90.0395°
Land Area
21.9 sq mi
Water Area
2.8 sq mi
Nearby Zip Codes
Zip codes closest to 70448 (Mandeville, LA) with distances:
All Zip Codes in Mandeville, LA
Other zip codes serving Mandeville:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70448's $88,929. A way to compare Mandeville 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 70448 (Mandeville, 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 Mandeville, Louisiana?
Mandeville, Louisiana uses zip code 70448 along with 1 other zip codes.
What county is zip code 70448 in?
Zip code 70448 is located in St. Tammany Parish, Louisiana.
What is the population of zip code 70448?
The population of zip code 70448 is 25,851 with a median age of 41.1.
Is 70448 in Mandeville, Louisiana?
Yes, zip code 70448 is in Mandeville, St. Tammany Parish, Louisiana. The area code is 318.
Frequently Asked Questions
What city is zip code 70448 in?
Zip code 70448 is in Mandeville, Louisiana. It is part of St. Tammany Parish and uses the Central (CST/CDT) timezone.
What is zip code 70448?
Zip code 70448 is a U.S. postal code in Mandeville, Louisiana (St. Tammany Parish). It has a population of 25,851 and covers 21.9 square miles.
What is the population of zip code 70448?
The population of zip code 70448 (Mandeville, LA) is 25,851 with a median age of 41.1. There are approximately 10,372 housing units in this area.
What is the median income in zip code 70448?
The median household income in zip code 70448 (Mandeville, LA) is $88,929 per year. The cost of living index is 114 (100 = national average).
What is the average home price in zip code 70448?
The median home value in zip code 70448 (Mandeville, LA) is $324,100. The cost of living index is 114 compared to the national average of 100.
What county is zip code 70448 in?
Zip code 70448 is located in St. Tammany Parish, Louisiana. The primary city is Mandeville.
What is the area code for zip code 70448?
Zip code 70448 in Mandeville, LA uses area code 318. It is located in the Central (CST/CDT) timezone.
Is zip code 70448 a good place to live?
Zip code 70448 (Mandeville, LA) has a cost of living index of 114 (100 = national average), a median household income of $88,929, and median home values of $324,100. The median age is 41.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70448?
The cost of living index for zip code 70448 (Mandeville, LA) is 114, where 100 represents the national average. This area is above the national average. Median home value: $324,100.
What schools serve zip code 70448?
Zip code 70448 in Mandeville, 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.