RANKING · 2020 CENSUS · 24 SHOWN OF 24

Most racially diverse, Maryland counties · 2020

Maryland counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Montgomery County, MDMD1,074,58291+27%

02Howard County, MDMD339,18386+65%

03Charles County, MDMD176,59379+40%

04Baltimore County, MDMD847,65078+55%

05Prince George's County, MDMD970,37473+12%

06Baltimore, MDMD569,99773+22%

07Somerset County, MDMD24,97371+13%

08Wicomico County, MDMD106,89971+36%

09Anne Arundel County, MDMD603,38069+73%

10Dorchester County, MDMD33,62869+26%

11Frederick County, MDMD302,88362+156%

12St. Mary's County, MDMD116,69256+47%

13Harford County, MDMD266,44655+91%

14Caroline County, MDMD34,11654+42%

15Talbot County, MDMD38,23852+38%

16Washington County, MDMD157,73151+126%

17Kent County, MDMD19,56550+18%

18Calvert County, MDMD94,48450+47%

19Worcester County, MDMD54,45943+11%

20Cecil County, MDMD107,13138+161%

21Queen Anne's County, MDMD54,44835+46%

22Allegany County, MDMD66,84830+91%

23Carroll County, MDMD176,67730+206%

24Garrett County, MDMD28,3708+202%

SHOWING 1–24 OF 24

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES