Population By Race and Ethnicity in St. Mary Parish, LA in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 49,739 population of St. Mary Parish, Louisiana comprised of 3,445 people who identified as Hispanic (6.93%), and 46,294 people who identified as Non-Hispanic (93.07%).

Race: The White Alone population was the largest racial group in St. Mary Parish, Louisiana with a population of 30,673 (61.67%); Black or African American Alone population was the second largest racial group with a population of 16,075 (32.32%); and Two Or More Races was the third largest racial group with a population of 1,087 (2.19%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Mary Parish, Louisiana in 2018, with a population of 27,963 (56.22%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 15,764 (31.69%); and the third largest ethnic group was White Alone - Hispanic with a population of 2,710 (5.45%).

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

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

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Hispanics and Non Hispanics in St. Mary Parish, LA in 2018
Total Population:
Race in St. Mary Parish, LA in 2018
Total Population:
Ethnicity in St. Mary Parish, LA in 2018
Total Population:
Population By Race in St. Mary , LA in 2018
Race Population Percentage
Black or African American Alone 16,075 32.32%
White Alone 30,673 61.67%
American Indian and Alaska Native Alone 1,077 2.17%
Asian Alone 787 1.58%
Native Hawaiian And Pacific Islander Alone 40 0.08%
Two Or More Races 1,087 2.19%
Population By Ethnicity in St. Mary , LA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 311 0.63%
White Alone - Hispanic 2,710 5.45%
American Indian and Alaska Native Alone - Hispanic 184 0.37%
Asian Alone - Hispanic 78 0.16%
Native Hawaiian And Pacific Islander Alone - Hispanic 24 0.05%
Two Or More Races - Hispanic 138 0.28%
Black or African American Alone - Non Hispanic 15,764 31.69%
White Alone - Non Hispanic 27,963 56.22%
American Indian and Alaska Native Alone - Non Hispanic 893 1.8%
Asian Alone - Non Hispanic 709 1.43%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 16 0.03%
Two Or More Races - Non Hispanic 949 1.91%