St. Tammany Parish, Louisiana's estimated 2023 population is 273,819 with a growth rate of 1.14% in the past year according to the most recent United States census data. St. Tammany Parish, Louisiana is the 4th largest county in Louisiana. The 2010 population was 233,740 and has seen a growth of 17.15% since that time.
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
3.22
Average Family Size
2.69
Average Household Size
78.5%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 79.37%.
The highest rate of bachelors degrees is among islander people with a rate of 72.34%.
All
Male
Female
$44,965
Average Earnings
$54,958
Average Male
$35,793
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
93.14% of St. Tammany Parish, Louisiana residents speak only English, while 6.86% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.24% of the population.
rate
13.49%
Overall Poverty Rate
9.25%
Male Poverty Rate
12.59%
Female Poverty Rate
The race most likely to be in poverty in St. Tammany Parish, Louisiana is Other, with 43.85% below the poverty level.
The race least likely to be in poverty in St. Tammany Parish, Louisiana is White, with 10.85% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.99%. Among those working part-time, it was 13.2%, and for those that did not work, the poverty rate was 18.59%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
52.3%
Overall Marriage Rate
55.4%
Male Marriage Rate
49.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
15,768
Number of Veterans
14,311
Male Veterans
1,457
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.54%
Veteran Poverty Rate
29.78%
Veteran Disability Rate
LaborForceParticipation
62%
Labor Force Participation
58.1%
Employment Rate
5.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
68.37%
Born in St. Tammany Parish, Louisiana
93.5%
Native Born
4.18%
Foreign Born
2.16%
Non Citizen
2.02%
Naturalized
93.5% of St. Tammany Parish, Louisiana residents were born in the United States, with 68.37% having been born in Louisiana. 2.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.