Population By Race and Ethnicity in St. Mary's County, MD in 2022

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2022, the 114,783 population of St. Mary's County, Maryland comprised of 6,990 people who identified as Hispanic (6.09%), and 107,793 people who identified as Non-Hispanic (93.91%).

Race: The White Alone population was the largest racial group in St. Mary's County, Maryland with a population of 88,297 (76.93%); Black or African American Alone population was the second largest racial group with a population of 18,004 (15.69%); and Two Or More Races was the third largest racial group with a population of 4,305 (3.75%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Mary's County, Maryland in 2022, with a population of 82,654 (72.01%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 17,395 (15.16%); and the third largest ethnic group was White Alone - Hispanic with a population of 5,643 (4.92%).

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

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

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in St. Mary's County, MD in 2022

Total Population:114,783

Non Hispanic (93.91%)

Hispanic (6.09%)

Race in St. Mary's County, MD in 2022

Total Population:114,783

White Alone (76.93%)

Black or African American Alone (15.69%)

Two or more races (3.75%)

Asian Alone (3.02%)

American Indian and Alaska Native Alone (0.5%)

Native Hawaiian And Pacific Islander Alone (0.12%)

Ethnicity in St. Mary's County, MD in 2022

Total Population:114,783

Non-Hispanic White Alone (72.01%)

Non-Hispanic Black or African American Alone (15.16%)

Hispanic White Alone (4.92%)

Non-Hispanic Two or more races (3.35%)

Non-Hispanic Asian Alone (2.94%)

All Other Ethnicities (1.63%)

Population By Race in St. Mary's , MD in 2022

Race	Population	Percentage
White Alone	88,297	76.93%
Black or African American Alone	18,004	15.69%
Two Or More Races	4,305	3.75%
Asian Alone	3,462	3.02%
American Indian and Alaska Native Alone	575	0.5%
Native Hawaiian And Pacific Islander Alone	140	0.12%

Population By Ethnicity in St. Mary's , MD in 2022

Ethnicity	Population	Percentage
White Alone - Non Hispanic	82,654	72.01%
Black or African American Alone - Non Hispanic	17,395	15.16%
White Alone - Hispanic	5,643	4.92%
Two Or More Races - Non Hispanic	3,842	3.35%
Asian Alone - Non Hispanic	3,379	2.94%
Black or African American Alone - Hispanic	609	0.53%
Two Or More Races - Hispanic	463	0.4%
American Indian and Alaska Native Alone - Non Hispanic	410	0.36%
American Indian and Alaska Native Alone - Hispanic	165	0.14%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	113	0.1%
Asian Alone - Hispanic	83	0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic	27	0.02%