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Louisiana ZIP Codes
Saint Tammany County
Mandeville, LA
70448
70448 ZIP Code — Mandeville, LA
Saint Tammany County, Louisiana
ZIP code 70448 is located in
Mandeville ,
Louisiana ,
within Saint Tammany County .
It covers approximately 21.94 square miles and serves a population of
26,364 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 985 .
About ZIP code 70448
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $306,700. Owner-occupancy is high at 80%, well above the national average.
The gap between median ($90,475) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.
Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.
70448 ZIP code map
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Cities in ZIP code 70448
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
26,364
Population density
1,202 / sq mi
State FIPS
22
County FIPS
103
Geography
Land area
21.94 sq mi
Water area
2.76 sq mi
Latitude
30.3567
Longitude
-90.0490
Timezone
Central (CT)
Area code
985
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.8%
36.2%
49.2%
$50k – $100k
29.5%
31.1%
27.7%
$100k – $200k
30.6%
24.7%
18.3%
Over $200k
11.0%
8.0%
4.7%
Demographics & statistics
$90,475
Median household income
$306,700
Median home value
$1,477
Median monthly rent
44.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 6,384 24.2%
18 and over 19,980 75.8%
65 and over 4,223 16.0%
Median age 38.9 years
Race & ethnicity
Black or African American
3.6%
Native Hawaiian / Pacific Islander
0.3%
American Indian / Alaska Native
0.2%
Group Count %
White 22,962 83.7%
Two or more races 1,506 5.5%
Hispanic or Latino 1,080 3.9%
Black or African American 993 3.6%
Asian 659 2.4%
Other race 102 0.4%
Native Hawaiian / Pacific Islander 94 0.3%
American Indian / Alaska Native 48 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.8%
36.2%
49.2%
$50k – $100k
29.5%
31.1%
27.7%
$100k – $200k
30.6%
24.7%
18.3%
Over $200k
11.0%
8.0%
4.7%
Range % of households
Under $10k 2.8%
$10k–$15k 1.8%
$15k–$25k 3.3%
$25k–$35k 7.1%
$35k–$50k 9.3%
$50k–$75k 18.2%
$75k–$100k 12.1%
$100k–$150k 19.7%
$150k–$200k 11.7%
$200k+ 14.0%
Median income $90,475
Housing
Housing overview
Metric Value
Median home value $306,700
Median rent / month $1,477
Owner occupied 80.4%
Renter occupied 19.6%
Vacant 6.4%
Single-family detached 83.4%
Large apartment buildings 0.1%
Mobile homes 2.3%
Median rooms 6.2
Avg household size (owned) 2.64
Year built
Era %
2020 or later 0.5%
2010–2019 7.7%
2000–2009 22.5%
1990–1999 28.5%
1980–1989 21.9%
1970–1979 9.2%
1960–1969 5.4%
1950–1959 2.1%
1940–1949 0.8%
1939 or earlier 1.6%
Bedrooms
Size % of units
No bedroom (studio) 0.1%
1 bedroom 2.0%
2 bedrooms 14.3%
3 bedrooms 47.4%
4 bedrooms 30.0%
5+ bedrooms 6.2%
Vehicles per household
Vehicles % of households
No vehicle 2.3%
1 vehicle 30.1%
2 vehicles 44.3%
3 or more 23.3%
Heating fuel
Fuel type %
Utility gas 52.8%
Electricity 45.6%
Propane / LP gas 1.4%
Wood 0.1%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 5,888 59.9%
Cohabiting couple 386 3.9%
Male householder, no spouse 1,378 14.0%
Female householder, no spouse 2,170 22.1%
Households with children under 18 3,654 37.2%
Households with seniors (65+) 2,768 28.2%
Average household size 2.66
Marital status
Status Male Female
Never married 28.2% 24.8%
Married 58.5% 53.9%
Separated 1.0% 2.1%
Widowed 1.3% 7.3%
Divorced 11.0% 11.9%
Education
Some college, no degree
25.2%
Graduate / professional
16.9%
Metric %
HS diploma or higher 94.3%
Bachelor's or higher 44.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 306 4.6%
Kindergarten 268 4.1%
Elementary school 3,098 46.9%
High school 1,541 23.3%
College / grad school 1,388 21.0%
Employment
Industry of employment
Education & healthcare
21.3%
Professional & management
15.9%
Finance & real estate
10.7%
Arts, food & hospitality
10.2%
Transportation & utilities
5.4%
Public administration
2.6%
Agriculture & mining
0.9%
Occupation
Category %
Management, business & arts 50.3%
Service 9.7%
Sales & office 24.9%
Natural resources & construction 8.5%
Production & transportation 6.7%
Employment type
Type %
Private sector 79.9%
Government 11.3%
Self-employed 8.8%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 74.7%
Carpool 7.7%
Public transit 0.3%
Walk 1.2%
Work from home 14.8%
Other means 1.3%
Avg commute (minutes) 30.1
Poverty
Married-couple families
5.0%
Female-led households
29.2%
Income support
Source % of households
Social Security 28.9%
Retirement income 22.9%
Supplemental Security 3.4%
Cash public assistance 2.1%
Food stamps / SNAP 3.0%
Health indicators
Condition %
Obesity 29.5%
High blood pressure 31.6%
High cholesterol 35.4%
Diabetes 8.7%
Heart disease 5.1%
Stroke 2.3%
Asthma 8.1%
Arthritis 22.1%
Kidney disease 2.4%
Pulmonary disease 5.2%
Cancer 6.3%
Behavior / access %
Smoking 15.3%
Binge drinking 21.6%
No physical activity 19.8%
Less than 7 hrs sleep 34.4%
Depression 25.5%
Fair or poor health 11.8%
Poor mental health 15.4%
Poor physical health 9.1%
No health insurance 9.8%
Visited doctor (checkup) 74.9%
Visited dentist 72.0%
Cholesterol screening 91.8%
Teeth loss 9.2%
Veterans & disability
Veterans Count %
Civilian veterans 1,487 7.5%
Disability %
Any disability 10.5%
Under 18 4.6%
18–64 years 8.9%
65 and over 25.5%
Health insurance coverage
Type %
Private insurance 73.7%
Public insurance 31.9%
No insurance 6.2%
Uninsured under 19 1.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 25,159 95.4%
Spanish 549 2.2%
Other Indo-European 198 0.8%
Asian & Pacific Islander 97 0.4%
Other languages 254 1.0%
Place of birth & citizenship
Origin Count %
Native born (US) 25,090 95.2%
Born in same state 24,826 94.2%
Born in different state 17,707 67.2%
Foreign born 264 1.0%
Naturalized citizen 1,274 4.8%
Not a US citizen 516 40.5%
Ancestry
Ancestry Count %
Italian 4,336 16.4%
French 3,379 12.8%
Arab 1,206 4.6%
Polish 349 1.3%
Ancestry Count %
German 164 0.6%
English 142 0.5%
Dutch 94 0.4%
Irish 90 0.3%
Technology access
Metric % of households
Computer access 37.3%
Internet access 96.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70448
What city is ZIP code 70448 in?
ZIP code 70448 is primarily assigned to Mandeville, Louisiana.
What county is ZIP code 70448 in?
ZIP code 70448 falls within Saint Tammany County, Louisiana.
Is ZIP code 70448 mostly owner-occupied?
80% of occupied units in ZIP code 70448 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 70448?
The median home value in ZIP code 70448 is $306,700.
What is the population of ZIP code 70448?
ZIP code 70448 has an estimated population of 26,364 residents, with a density of 1,202 people per square mile.
What is the median household income in ZIP code 70448?
The median household income in ZIP code 70448 is $90,475, above the national median of ~$75,000.
What timezone is ZIP code 70448 in?
ZIP code 70448 observes the CST timezone.
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