Residential delivery area · Louisiana
ZIP Code 70448: Mandeville, LA
ZIP code 70448 uses the postal name Mandeville, Louisiana and lies entirely in St. Tammany Parish (Census 2020 ZIP-county file). About 26,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Mandeville's 2 residential ZIP codes. Median household income is $95,682 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Mandeville (16%) and Lewisburg (2%); 82% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mandeville · 2 residential ZIPs
- County
- St. Tammany Parish
- Census places
- Mandeville (16%); Lewisburg (2%) census-designated place
- Metro area
- Slidell-Mandeville-Covington, LA
- House district
- LA-1 119th Congress
- State
- Louisiana
- Time zone
- Central
- Land area
- 21.9 sq mi · 1,200 people per sq mi
- PO Box ZIPs
- 70470 also use the name Mandeville
Where is ZIP code 70448?
70448 centers on 30.362°, -90.039° and covers 21.9 square miles of land plus 2.8 of water. It borders 2 ZIP codes: 70471, 70445.
The map draws ZIP code areas only. For the streets inside 70448, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 70448 compare with the rest of Mandeville?
| Measure | 70448 | In Mandeville | In St. Tammany Parish | In LA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 26,338 | 1st of 2 | 4th of 18 | 52nd of 539 |
| Median household income | $96k | 2nd of 2 | 3rd of 13 | 14th of 251 |
| Median home value | $340k | 2nd of 2 | 3rd of 15 | 20th of 285 |
Its median household income is higher than in 78% of U.S. residential ZIP codes, and it is denser than 80% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 70448?
The 2020 Census counted 25,670 people in 70448; the ACS, which samples households over 2020-2024, estimates 26,338. Between the 2010 and 2020 censuses its population grew 3.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 26,338
- 2020 Census count
- 25,670+3.3% since 2010 (24,851)
- Households
- 9,923
- Median age
- 40.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 70448?
Of the 26,338 people the ACS estimates in 70448, 23.6% are under 18 and 17.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.5%).
- Under 1823.6%
- 18 to 6459.0%
- 65 and older17.4%
- White, not Hispanic82.5%
- Hispanic or Latino7.9%
- Black, not Hispanic4.7%
- Other or two or more2.6%
- Asian, not Hispanic2.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 70448 earn?
Median household income is $95,682 (ACS 2020-2024), the 3rd highest of the 13 ranked ZIP codes in St. Tammany Parish. It is not measurably different from 2015-2019 ($102,240 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $95,682
- Income per person
- $49,371
- Below the poverty line
- 6.8%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 49.2%
- Adjusted gross income per tax return, 2022
- $107,31711,720 returns; wages 65% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 70448?
FHFA's house price index for 70448, built from repeat sales and appraisals of the same homes, rose 47% from 2015 to 2025 and rose 28% from 2020 to 2025, and moved +0.1% in 2025.
- Median home value (owners' estimate)
- $340,300
- Median gross rent
- $1,525
- Homes owned by their occupants
- 80.6%
- Housing units
- 10,388
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 70448?
664 business establishments had a location in this ZIP code in 2023, 38 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services113
- Health care and social assistance90
- Construction75
- Accommodation and food services68
- Other services (except public administration)65
- Retail trade63
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 70448?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70471 | Mandeville | 24,199 | $97k | 3.2 mi |
| 70445 | Lacombe | 9,288 | $78k | 8.8 mi |
| 70433 | Covington | 41,876 | $81k | 9.2 mi (near) |
| 70447 | Madisonville | 17,897 | $123k | 10.8 mi (near) |
| 70420 | Abita Springs | 7,950 | $78k | 11.0 mi (near) |
| 70457 | Saint Benedict | 143 | – | 12.2 mi (near) |
| 70460 | Slidell | 21,669 | $63k | 12.9 mi (near) |
| 70435 | Covington | 22,475 | $81k | 14.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.