Maryland Non-Hispanic Black or African American Alone Citizen Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the Non-Hispanic Black Alone citizen population for Maryland was 1,315,935 and represented 23.03% of the total Maryland citizen population.

Among all Maryland counties, Prince George's had the highest Non-Hispanic Black Alone citizen population (554.27K), followed by Baltimore city (354.50K), and Baltimore (236.14K).

In terms of percentages, Prince George's had the highest percentage of its citizen population being Non-Hispanic Black Alone (66.54%), followed by Baltimore city (62.65%), and Charles (48.38%).

The chart and table below shows the Non-Hispanic Black Alone citizen population of each county and the percentage of each county's citizen population that were Non-Hispanic Black Alone.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Maryland Non-Hispanic Black or African American Alone Citizen Population By County in 2021
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County Citizen Population % of County Citizen Population
Prince George's 554270 66.54
Baltimore city 354500 62.65
Baltimore 236135 29.27
Montgomery 167650 18.41
Anne Arundel 94330 16.78
Charles 77790 48.38
Howard 60350 19.85
Harford 35660 13.97
Wicomico 25185 25.75
Frederick 24330 9.55
Washington 16080 10.72
St. Mary's 15665 14.20
Calvert 11185 12.22
Somerset 9740 39.89
Dorchester 8225 25.86
Cecil 6410 6.34
Worcester 6335 12.38
Carroll 6095 3.60
Allegany 5640 8.28
Caroline 4240 13.35
Talbot 4155 11.52
Queen Anne's 2780 5.71
Kent 2685 14.15
Garrett 395 1.37