St. Tammany Parish, LA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
269,331
Male
131,916
49.0%
Female
137,415
51.0%
Median Age
40.4 yrs
Avg Household Size
2.6
Foreign Born
4.4%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher25.1%
High School or Higher41.6%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.4%
Disability
0.0%
Non-English Home
5.9%
Married
43.8%
St. Tammany Parish, LA has a population of 269,331 according to 2023 Census Bureau estimates. The median age is 40.4 years. The largest racial or ethnic group is White at 75.0% of the population. 25.1% of residents hold a bachelor's degree or higher. 4.4% of residents are foreign-born.