Saint Maurice is a majority black census-designated place and unincorporated community in Winn Parish, Louisiana. United States. Its population was 323 as of the 2010 census. Its ZIP code is 71471.

Until June 5, 1981, the historic St. Maurice Plantation sat near the bank of the Red River which is now an oxbow.

St. Maurice first appeared as a census designated place in the 2010 U.S. Census.

St. Maurice CDP, Louisiana – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.

Race / Ethnicity (NH = Non-Hispanic)	Pop 2010	Pop 2020	% 2010	% 2020
White alone (NH)	83	56	25.70%	21.05%
Black or African American alone (NH)	234	186	72.45%	69.92%
Native American or Alaska Native alone (NH)	2	4	0.62%	1.50%
Asian alone (NH)	1	0	0.31%	0.00%
Pacific Islander alone (NH)	0	0	0.00%	0.00%
Other race alone (NH)	0	0	0.00%	0.00%
Mixed race or Multiracial (NH)	3	13	0.93%	4.89%
Hispanic or Latino (any race)	0	7	0.00%	2.63%
Total	323	266	100.00%	100.00%