RANKING · 2024 ACS · 24 SHOWN OF 24

Highest Black population share, Maryland counties

Maryland counties ranked by the share of all residents who are Black or African American (2024 American Community Survey). A concentration measure: Black residents as a percentage of total population. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

MarylandAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBLACKVS 2000

01Baltimore, MDMD569,99758.5%−9%

02Prince George's County, MDMD970,37458.2%−6%

03Charles County, MDMD176,59348.4%+87%

04Somerset County, MDMD24,97338.5%−6%

05Baltimore County, MDMD847,65030.1%+51%

06Wicomico County, MDMD106,89926.5%+14%

07Dorchester County, MDMD33,62824.8%−12%

08Howard County, MDMD339,18319.7%+38%

09Montgomery County, MDMD1,074,58218.3%+23%

10Anne Arundel County, MDMD603,38017.6%+31%

11St. Mary's County, MDMD116,69214.6%+5%

12Harford County, MDMD266,44614.1%+54%

13Kent County, MDMD19,56514.0%−19%

14Caroline County, MDMD34,11612.6%−14%

15Talbot County, MDMD38,23812.2%−20%

16Worcester County, MDMD54,45912.0%−27%

17Calvert County, MDMD94,48411.9%−8%

18Washington County, MDMD157,73111.5%+49%

19Frederick County, MDMD302,88310.1%+60%

20Cecil County, MDMD107,1317.1%+84%

21Allegany County, MDMD66,8486.8%+29%

22Queen Anne's County, MDMD54,4485.5%−37%

23Carroll County, MDMD176,6774.0%+78%

24Garrett County, MDMD28,3700.6%+44%

SHOWING 1–24 OF 24

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES