ZIP Code Tabulation Area · Louisiana

ZIP Code 70431: St. Tammany Parish, LA

ZIP Code 70431 (St. Tammany Parish, Louisiana) has an estimated 5,769 residents in 2,247 households. The median household income is $69,813, the median home value is $245,500 and the median gross rent is $1,252/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 2 figures for this ZIP (poverty rate, unemployment) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

5,769

Margin of error ±917

Median household income

$69,813

Margin of error ±$19,524

Median home value

$245,500

Margin of error ±$36,046

Median gross rent

$1,252/mo

Margin of error ±$323

Median age

43.2 yrs

Margin of error ±5.7 yrs

Mean travel time to work

39.2 min

Margin of error ±12.4 min

How ZIP 70431 compares with Louisiana and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 7043143.2 yrsLouisiana38.0 yrsUnited States38.9 yrs

Median household income

ZIP 70431$69,813Louisiana$60,756United States$80,734

Per capita income

ZIP 70431$38,200Louisiana$35,038United States$44,673

Poverty rate

ZIP 7043120.6%*Louisiana18.9%United States12.5%

Unemployment rate

ZIP 704319.8%*Louisiana6.3%United States5.2%

Bachelor's degree or higher

ZIP 7043129.7%Louisiana27.0%United States35.7%

Median home value

ZIP 70431$245,500Louisiana$216,500United States$332,700

Median gross rent

ZIP 70431$1,252/moLouisiana$1,064/moUnited States$1,413/mo

Owner-occupied homes

ZIP 7043192.6%Louisiana67.4%United States65.2%

Mean travel time to work

ZIP 7043139.2 minLouisiana25.7 minUnited States26.4 min

Worked from home

ZIP 7043113.6%Louisiana8.1%United States15.1%

All figures for ZIP 70431

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 70431 — ACS 2020–2024 5-year estimates
Measure	ZIP 70431	Margin of error	Louisiana	United States
Total population	5,769	±917	4,611,961	334,922,499
Median age	43.2 yrs	±5.7 yrs	38.0 yrs	38.9 yrs
Households	2,247	±296	1,804,780	129,227,496
Median household income	$69,813	±$19,524	$60,756	$80,734
Per capita income	$38,200	±$7,891	$35,038	$44,673
Poverty rate	20.6%*	±12.1 pts	18.9%	12.5%
Unemployment rate	9.8%*	±10.1 pts	6.3%	5.2%
Bachelor's degree or higher	29.7%	±4.7 pts	27.0%	35.7%
Median home value	$245,500	±$36,046	$216,500	$332,700
Median gross rent	$1,252/mo	±$323	$1,064/mo	$1,413/mo
Owner-occupied homes	92.6%	±5.4 pts	67.4%	65.2%
Mean travel time to work	39.2 min	±12.4 min	25.7 min	26.4 min
Worked from home	13.6%	±5.2 pts	8.1%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 70431
Group	ZIP 70431	Louisiana	United States
White alone, not Hispanic or Latino	94.9%	55.7%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	30.5%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.4%	0.5%
Asian alone, not Hispanic or Latino	0.1%	1.7%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.5%	0.6%
Two or more races, not Hispanic or Latino	3.0%	3.8%	4.3%
Hispanic or Latino (of any race)	1.9%	7.2%	19.3%

Where ZIP 70431 is

State: Louisiana
Main county: St. Tammany Parish— also overlaps Washington Parish
Land area: 69.43 sq mi· about 83 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in St. Tammany Parish

70420 St. Tammany Parish, LA 70433 St. Tammany Parish, LA 70435 St. Tammany Parish, LA 70437 St. Tammany Parish, LA 70445 Lacombe, LA 70447 St. Tammany Parish, LA 70448 St. Tammany Parish, LA 70452 St. Tammany Parish, LA 70457 St. Tammany Parish, LA 70458 Slidell, LA 70460 St. Tammany Parish, LA 70461 St. Tammany Parish, LA 70463 Sun, LA 70464 St. Tammany Parish, LA 70471 St. Tammany Parish, LA

See every ZIP code in Louisiana, or compare ZIP 70431 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.