Race, Diversity, and Ethnicity in St. Mary Parish, LA

The map below shows majority race by area in St. Mary Parish, as self-identified on the US census. Darker shades indicate a larger racial majority in that neighborhood. This page also contains data and maps on St. Mary Parish racial diversity and diversity scores. Click here to scroll to diversity data.

St. Mary Parish, LA map of race and ethnicity
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White
Hispanic
Black
Asian
Multiple/Other
WhiteHispanicBlackAsianMultiple/Other
Majority race by area

The majority race in St. Mary Parish overall is white, making up 53.4% of residents. The next most-common racial group is black at 27.9%. There are more white people in the southwest areas of the county. People who identify as black are most likely to be living in the west places. The data below shows how many people identify themselves as each of the following races, which most Americans base on their family's national origin:

Race in St. Mary Parish

 
Self-Identified Race
St. Mary Parish, LA Population
White
53.4%
Hispanic
10.4%
Black
27.9%
Asian
1.0%
Native American
1.7%
Other
5.8%
   

Diversity and Diversity Scores for St. Mary Parish, LA

The map below shows diversity in St. Mary Parish. Areas in green are more diverse, while areas in red are much less diverse. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. For example, all-black and all-white areas in the county would both be considered lacking diversity.

St. Mary Parish, LA map of race and ethnicity
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St. Mary Parish Diversity Score

62.3

More diverse than 95% of US counties

St. Mary Parish has a diversity score of 62.3: the chance, in percent, that two residents picked at random belong to different racial or ethnic groups, from ACS race counts. A place where everyone shares one group scores 0, and an even mix of the six groups in the chart above scores the maximum, 83.3. St. Mary Parish is much more diverse than other US counties, more diverse than 95% of them. Within St. Mary Parish's proper boundaries, the most diverse area is southeast St. Mary Parish, and the least diverse areas are in southwest St. Mary Parish.

Source: BestNeighborhood calculations from the U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates (race and Hispanic origin); proprietary data mapping and analysis. Special thanks to the University of Virginia.

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