Population By Race and Ethnicity in St. Tammany Parish, LA in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 265,000 population of St. Tammany Parish, Louisiana comprised of 20,708 people who identified as Hispanic (7.81%), and 244,292 people who identified as Non-Hispanic (92.19%).

Race: The White Alone population was the largest racial group in St. Tammany Parish, Louisiana with a population of 219,344 (82.77%); Black or African American Alone population was the second largest racial group with a population of 34,665 (13.08%); and Two Or More Races was the third largest racial group with a population of 5,291 (2%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Tammany Parish, Louisiana in 2020, with a population of 200,939 (75.83%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 33,774 (12.75%); and the third largest ethnic group was White Alone - Hispanic with a population of 18,405 (6.95%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in St. Tammany, Louisiana.

You can find similar information for other Louisiana counties, and for Louisiana.

See this for other years:
Hispanics and Non Hispanics in St. Tammany Parish, LA in 2020
Total Population:
Race in St. Tammany Parish, LA in 2020
Total Population:
Ethnicity in St. Tammany Parish, LA in 2020
Total Population:
Population By Race in St. Tammany , LA in 2020
Race Population Percentage
Black or African American Alone 34,665 13.08%
White Alone 219,344 82.77%
American Indian and Alaska Native Alone 1,582 0.6%
Asian Alone 3,980 1.5%
Native Hawaiian And Pacific Islander Alone 138 0.05%
Two Or More Races 5,291 2%
Population By Ethnicity in St. Tammany , LA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 891 0.34%
White Alone - Hispanic 18,405 6.95%
American Indian and Alaska Native Alone - Hispanic 358 0.14%
Asian Alone - Hispanic 240 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 64 0.02%
Two Or More Races - Hispanic 750 0.28%
Black or African American Alone - Non Hispanic 33,774 12.75%
White Alone - Non Hispanic 200,939 75.83%
American Indian and Alaska Native Alone - Non Hispanic 1,224 0.46%
Asian Alone - Non Hispanic 3,740 1.41%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 74 0.03%
Two Or More Races - Non Hispanic 4,541 1.71%