RANKING · 2024 ACS · 24 SHOWN OF 24

Least racially diverse, Maryland counties

Maryland counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2024 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 60.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPDIVERSITY SCOREVS 1990

01Garrett County, MDMD28,37013+499%

02Allegany County, MDMD66,84832+344%

03Carroll County, MDMD176,67735+336%

04Queen Anne's County, MDMD54,44839+40%

05Cecil County, MDMD107,13143+203%

06Worcester County, MDMD54,45947+6%

07Kent County, MDMD19,56550+10%

08Talbot County, MDMD38,23854+39%

09Calvert County, MDMD94,48454+48%

10Washington County, MDMD157,73155+218%

11Caroline County, MDMD34,11656+51%

12Harford County, MDMD266,44658+120%

13St. Mary's County, MDMD116,69260+70%

14Frederick County, MDMD302,88367+283%

15Dorchester County, MDMD33,62870+34%

16Anne Arundel County, MDMD603,38072+112%

17Baltimore, MDMD569,99773+15%

18Wicomico County, MDMD106,89973+57%

19Somerset County, MDMD24,97374+20%

20Prince George's County, MDMD970,37474+4%

21Baltimore County, MDMD847,65079+131%

22Charles County, MDMD176,59381+84%

23Howard County, MDMD339,18388+124%

24Montgomery County, MDMD1,074,58292+65%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)How this score is calculated

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES