70447 ZIP Code — Madisonville, LA

Saint Tammany County, Louisiana

ZIP code 70447 is located in Madisonville, Louisiana, within Saint Tammany County. It covers approximately 30.96 square miles and serves a population of 17,400 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 985.

About ZIP code 70447

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $361,400. Owner-occupancy is high at 94%, well above the national average.

Median household income is $120,305.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 53% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 70447 reflects a community defined by a highly educated population and high homeownership.

17,400

population

30.96

sq mi land

Standard

ZIP type

Central (CT)

timezone

70447 ZIP code map

Cities in ZIP code 70447

Below are the cities the US Postal Service accepts for ZIP code 70447. Using any city not on this list may result in mail delivery delays.

City	Status
Madisonville	Preferred

Nearby ZIP codes

70471 Mandeville (7.6 mi) 70433 Covington (7.7 mi) 70448 Mandeville (8.1 mi) 70454 Ponchatoula (12.6 mi) 70445 Lacombe (12.9 mi) 70455 Robert (14.5 mi) 70065 Kenner (16.3 mi) 70006 Metairie (16.7 mi) 70435 Covington (16.9 mi) 70002 Metairie (17.1 mi) 70420 Abita Springs (17.2 mi) 70003 Metairie (17.4 mi)

Demographics updated 06/2026

Population
Total population	17,400
Population density	562 / sq mi
State FIPS	22
County FIPS	103

Geography
Land area	30.96 sq mi
Water area	2.42 sq mi
Latitude	30.3481
Longitude	-90.1840
Timezone	Central (CT)
Area code	985

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.0%	36.2%	49.2%
$50k – $100k	29.8%	31.1%	27.7%
$100k – $200k	40.3%	24.7%	18.3%
Over $200k	12.8%	8.0%	4.7%

Demographics & statistics

17,400

Population

562

People per sq mi

36.9

Median age

$120,305

Median household income

$46,142

Per capita income

$361,400

Median home value

$2,197

Median monthly rent

94.1%

Home ownership

8.7%

Poverty rate

1.4%

Unemployment

5,693

Housing units

52.5%

Bachelor's or higher

Age distribution

Male Female

703

Under 5

691

1,004

5–9

987

631

10–14

620

603

15–19

592

390

20–24

383

663

25–34

652

1,475

35–44

1,448

1,497

45–54

1,470

476

55–59

467

506

60–64

497

593

65–74

583

184

75–84

181

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	5,388	31.0%
18 and over	12,012	69.0%
65 and over	1,645	9.5%
Median age	36.9 years

Race & ethnicity

White 83.8%

Hispanic or Latino 5.7%

Two or more races 3.8%

Other race 3.4%

Black or African American 1.6%

American Indian / Alaska Native 1.2%

Asian 0.4%

Group	Count	%
White	15,476	83.8%
Hispanic or Latino	1,061	5.7%
Two or more races	710	3.8%
Other race	622	3.4%
Black or African American	301	1.6%
American Indian / Alaska Native	217	1.2%
Asian	74	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.0%	36.2%	49.2%
$50k – $100k	29.8%	31.1%	27.7%
$100k – $200k	40.3%	24.7%	18.3%
Over $200k	12.8%	8.0%	4.7%

Under $10k 4.1%

$10k–$15k 0.1%

$15k–$25k 3.7%

$25k–$35k 5.6%

$35k–$50k 3.2%

$50k–$75k 10.2%

$75k–$100k 13.1%

$100k–$150k 27.3%

$150k–$200k 12.0%

$200k+ 20.6%

Range	% of households
Under $10k	4.1%
$10k–$15k	0.1%
$15k–$25k	3.7%
$25k–$35k	5.6%
$35k–$50k	3.2%
$50k–$75k	10.2%
$75k–$100k	13.1%
$100k–$150k	27.3%
$150k–$200k	12.0%
$200k+	20.6%
Median income	$120,305

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.6%

$100k–$150k 2.8%

$150k–$200k 2.6%

$200k–$300k 23.7%

$300k–$500k 51.1%

$500k–$1M 16.5%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$361,400
Median rent / month	$2,197
Owner occupied	94.1%
Renter occupied	5.9%
Vacant	6.8%
Single-family detached	92.7%
Large apartment buildings	0.0%
Mobile homes	3.4%
Median rooms	6.7
Avg household size (owned)	3.10

Year built

Era	%
2020 or later	2.0%
2010–2019	33.8%
2000–2009	43.7%
1990–1999	7.7%
1980–1989	5.9%
1970–1979	0.7%
1960–1969	2.6%
1950–1959	0.4%
1940–1949	0.3%
1939 or earlier	2.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.4%
2 bedrooms	4.7%
3 bedrooms	40.7%
4 bedrooms	46.9%
5+ bedrooms	7.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.2%
1 vehicle	18.3%
2 vehicles	55.5%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	59.8%
Electricity	39.7%
Propane / LP gas	0.5%

Households & families

Household type	Count	%
Married-couple family	4,101	73.0%
Cohabiting couple	208	3.7%
Male householder, no spouse	609	10.8%
Female householder, no spouse	697	12.4%
Households with children under 18	2,774	49.4%
Households with seniors (65+)	1,105	19.7%
Average household size	3.10

Marital status

Status	Male	Female
Never married	22.1%	20.8%
Married	68.0%	65.8%
Separated	2.5%	0.3%
Widowed	1.1%	4.7%
Divorced	6.3%	8.3%

Education

Less than 9th grade 0.7%

Some HS, no diploma 1.7%

HS graduate 18.0%

Some college, no degree 21.0%

Associate's degree 6.0%

Bachelor's degree 33.6%

Graduate / professional 18.9%

Metric	%
HS diploma or higher	97.6%
Bachelor's or higher	52.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	285	5.8%
Kindergarten	469	9.5%
Elementary school	2,396	48.6%
High school	1,146	23.2%
College / grad school	634	12.9%

Employment

Industry of employment

Education & healthcare 21.7%

Professional & management 13.4%

Public administration 8.4%

Retail trade 8.0%

Finance & real estate 6.8%

Construction 6.6%

Manufacturing 6.0%

Arts, food & hospitality 5.9%

Transportation & utilities 5.6%

Wholesale trade 5.4%

Other services 4.9%

Information 4.2%

Agriculture & mining 3.1%

Occupation

Category	%
Management, business & arts	50.6%
Service	12.4%
Sales & office	23.4%
Natural resources & construction	7.1%
Production & transportation	6.5%

Employment type

Type	%
Private sector	80.2%
Government	13.9%
Self-employed	5.7%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	74.1%
Carpool	7.9%
Public transit	0.0%
Walk	0.8%
Work from home	15.0%
Other means	2.1%
Avg commute (minutes)	37.7

Poverty

All people 8.7%

Under 18 years 12.5%

18 and over 7.0%

Married-couple families 5.1%

Female-led households 7.7%

Income support

Source	% of households
Social Security	19.3%
Retirement income	23.5%
Supplemental Security	1.9%
Cash public assistance	0.5%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	29.1%
High blood pressure	30.2%
High cholesterol	34.5%
Diabetes	8.0%
Heart disease	4.6%
Stroke	2.1%
Asthma	8.0%
Arthritis	20.8%
Kidney disease	2.2%
Pulmonary disease	4.8%
Cancer	5.9%

Behavior / access	%
Smoking	15.2%
Binge drinking	22.4%
No physical activity	18.6%
Less than 7 hrs sleep	34.5%
Depression	25.7%
Fair or poor health	10.8%
Poor mental health	15.3%
Poor physical health	8.6%
No health insurance	9.5%
Visited doctor (checkup)	74.1%
Visited dentist	73.0%
Cholesterol screening	91.8%
Teeth loss	8.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	603	5.0%

Disability	%
Any disability	9.6%
Under 18	3.6%
18–64 years	10.4%
65 and over	24.3%

Health insurance coverage

Type	%
Private insurance	87.0%
Public insurance	17.7%
No insurance	2.3%
Uninsured under 19	3.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,006	92.0%
Spanish	113	0.7%
Other Indo-European	75	0.5%
Asian & Pacific Islander	38	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,342	93.9%
Born in same state	16,142	92.8%
Born in different state	12,576	72.3%
Foreign born	200	1.1%
Naturalized citizen	1,058	6.1%
Not a US citizen	447	42.2%

Ancestry

Ancestry	Count	%
Italian	2,510	14.4%
French	1,678	9.6%
Arab	1,414	8.1%
German	732	4.2%

Ancestry	Count	%
English	106	0.6%
Polish	32	0.2%
Dutch	31	0.2%

Technology access

Metric	% of households
Computer access	32.3%
Internet access	98.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 70447

What city is ZIP code 70447 in?

ZIP code 70447 is primarily assigned to Madisonville, Louisiana.

What county is ZIP code 70447 in?

ZIP code 70447 falls within Saint Tammany County, Louisiana.

Is ZIP code 70447 family-oriented?

31% of residents in ZIP code 70447 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 70447 mostly owner-occupied?

94% of occupied units in ZIP code 70447 are owner-occupied, well above the national average.

How educated is the population of ZIP code 70447?

53% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 70447?

The median home value in ZIP code 70447 is $361,400.

What timezone is ZIP code 70447 in?

ZIP code 70447 observes the CST timezone.