Most diverse counties in Maryland

Written by:
October 16, 2021
Zrmachuga // Wikimedia Commons

Most diverse counties in Maryland

The United States has a longstanding reputation as being a melting pot (or salad bowl), with its diversity manifesting itself across many different demographics. However, some places across the country are notably more heterogeneous than others.

Stacker compiled a list of the most diverse counties in Maryland using data from using data from the U.S. Census Bureau. Counties are ranked by the highest Simpson's diversity index score. Simpson’s diversity index measures community diversity on a scale of 0 (least diverse) to 1 (most diverse), more on the calculation can be read here.

Think you know which counties in your home state might be the most diverse? Keep reading to see if your predictions are correct.

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Skye Marthaler // Wikimedia Commons

#24. Garrett County

- Index: 0.061
- Total population: 29,235
- White: 96.9% (28,327)
- Black or African American: 0.9% (250)
- American Indian and Alaska Native: 0.2% (44)
- Asian: 0.4% (125)
- Native Hawaiian and other Pacific Islander: 0.0% (9)
- 2 or more races: 1.5% (447)
- Some other Race: 0.1% (33)
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Farragutful // Wikimedia Commons

#23. Carroll County

- Index: 0.160
- Total population: 167,699
- White: 91.6% (153,534)
- Black or African American: 3.5% (5,924)
- American Indian and Alaska Native: 0.3% (424)
- Asian: 1.9% (3,176)
- Native Hawaiian and other Pacific Islander: 0.0% (47)
- 2 or more races: 2.0% (3,431)
- Some other Race: 0.7% (1,163)
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JERRYE & ROY KLOTZ, M.D. // Wikimedia Commons

#22. Queen Anne's County

- Index: 0.197
- Total population: 49,632
- White: 89.3% (44,328)
- Black or African American: 6.7% (3,302)
- American Indian and Alaska Native: 0.1% (43)
- Asian: 1.0% (504)
- Native Hawaiian and other Pacific Islander: 0.1% (51)
- 2 or more races: 1.6% (783)
- Some other Race: 1.3% (621)
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Acroterion // Wikicommons

#21. Allegany County

- Index: 0.215
- Total population: 71,445
- White: 88.2% (62,992)
- Black or African American: 8.1% (5,796)
- American Indian and Alaska Native: 0.1% (100)
- Asian: 0.9% (670)
- Native Hawaiian and other Pacific Islander: 0.0% (15)
- 2 or more races: 2.3% (1,666)
- Some other Race: 0.3% (206)
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Smallbones // Wikimedia Commons

#20. Cecil County

- Index: 0.223
- Total population: 102,552
- White: 87.8% (90,069)
- Black or African American: 6.8% (6,974)
- American Indian and Alaska Native: 0.1% (92)
- Asian: 1.4% (1,446)
- Native Hawaiian and other Pacific Islander: 0.0% (24)
- 2 or more races: 2.9% (2,936)
- Some other Race: 1.0% (1,011)

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Linda Roy Walls // Wikimedia Commons

#19. Worcester County

- Index: 0.294
- Total population: 51,765
- White: 83.0% (42,965)
- Black or African American: 12.9% (6,659)
- American Indian and Alaska Native: 0.1% (70)
- Asian: 1.2% (618)
- Native Hawaiian and other Pacific Islander: 0.1% (41)
- 2 or more races: 2.4% (1,221)
- Some other Race: 0.4% (191)
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Shopkins91 // Wikimedia Commons

#18. Talbot County

- Index: 0.299
- Total population: 37,167
- White: 82.9% (30,818)
- Black or African American: 10.5% (3,887)
- American Indian and Alaska Native: 0.2% (84)
- Asian: 1.4% (503)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 4.4% (1,628)
- Some other Race: 0.7% (247)
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Vpuliva // Wikimedia Commons

#17. Washington County

- Index: 0.313
- Total population: 150,109
- White: 82.1% (123,236)
- Black or African American: 10.6% (15,984)
- American Indian and Alaska Native: 0.1% (202)
- Asian: 1.8% (2,755)
- Native Hawaiian and other Pacific Islander: 0.1% (140)
- 2 or more races: 4.1% (6,158)
- Some other Race: 1.1% (1,634)
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Preservation Maryland // Wikimedia Commons

#16. Calvert County

- Index: 0.324
- Total population: 91,511
- White: 81.2% (74,326)
- Black or African American: 11.7% (10,709)
- American Indian and Alaska Native: 0.1% (135)
- Asian: 1.9% (1,718)
- Native Hawaiian and other Pacific Islander: 0.1% (51)
- 2 or more races: 4.4% (4,041)
- Some other Race: 0.6% (531)
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Delta1989 // Wikimedia Commons

#15. Kent County

- Index: 0.327
- Total population: 19,536
- White: 80.7% (15,774)
- Black or African American: 14.3% (2,787)
- American Indian and Alaska Native: 0.1% (26)
- Asian: 1.2% (228)
- Native Hawaiian and other Pacific Islander: 0.0% (6)
- 2 or more races: 2.3% (449)
- Some other Race: 1.4% (266)

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Acroterion // Wikimedia Commons

#14. Frederick County

- Index: 0.338
- Total population: 251,422
- White: 80.6% (202,622)
- Black or African American: 9.7% (24,411)
- American Indian and Alaska Native: 0.3% (794)
- Asian: 4.5% (11,192)
- Native Hawaiian and other Pacific Islander: 0.1% (170)
- 2 or more races: 3.3% (8,337)
- Some other Race: 1.5% (3,896)
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Acroterion // Wikimedia Commons

#13. Caroline County

- Index: 0.340
- Total population: 33,049
- White: 79.9% (26,405)
- Black or African American: 14.1% (4,666)
- American Indian and Alaska Native: 0.4% (130)
- Asian: 0.7% (229)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.7% (886)
- Some other Race: 2.2% (733)
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Jerrye & Roy Klotz, MD // Wikimedia Commons

#12. Harford County

- Index: 0.360
- Total population: 252,222
- White: 78.6% (198,359)
- Black or African American: 13.8% (34,843)
- American Indian and Alaska Native: 0.2% (435)
- Asian: 2.6% (6,571)
- Native Hawaiian and other Pacific Islander: 0.0% (43)
- 2 or more races: 3.4% (8,463)
- Some other Race: 1.4% (3,508)
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Pubdog // Wikimedia Commons

#11. St. Mary's County

- Index: 0.368
- Total population: 112,290
- White: 78.0% (87,625)
- Black or African American: 14.6% (16,431)
- American Indian and Alaska Native: 0.1% (94)
- Asian: 2.6% (2,865)
- Native Hawaiian and other Pacific Islander: 0.0% (20)
- 2 or more races: 3.7% (4,189)
- Some other Race: 0.9% (1,066)
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Charlie Stinchcomb // Flickr

#10. Anne Arundel County

- Index: 0.439
- Total population: 571,275
- White: 72.7% (415,470)
- Black or African American: 16.8% (95,710)
- American Indian and Alaska Native: 0.2% (1,175)
- Asian: 3.8% (21,605)
- Native Hawaiian and other Pacific Islander: 0.1% (386)
- 2 or more races: 4.1% (23,351)
- Some other Race: 2.4% (13,578)

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Eric Fischer // Wikicommons

#9. Wicomico County

- Index: 0.489
- Total population: 102,539
- White: 66.5% (68,178)
- Black or African American: 25.9% (26,594)
- American Indian and Alaska Native: 0.3% (274)
- Asian: 3.1% (3,215)
- Native Hawaiian and other Pacific Islander: 0.0% (28)
- 2 or more races: 2.7% (2,783)
- Some other Race: 1.4% (1,467)
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Eli Pousson // Wikimedia Commons

#8. Dorchester County

- Index: 0.496
- Total population: 32,138
- White: 65.5% (21,065)
- Black or African American: 26.6% (8,549)
- American Indian and Alaska Native: 0.1% (20)
- Asian: 1.1% (354)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 5.4% (1,741)
- Some other Race: 1.3% (409)
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Famartin // Wikicommons

#7. Baltimore city

- Index: 0.517
- Total population: 609,032
- White: 30.5% (185,489)
- Black or African American: 62.4% (379,751)
- American Indian and Alaska Native: 0.3% (1,732)
- Asian: 2.6% (15,693)
- Native Hawaiian and other Pacific Islander: 0.0% (229)
- 2 or more races: 2.5% (15,166)
- Some other Race: 1.8% (10,972)
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jerryinocmd // Wikimedia Commons

#6. Somerset County

- Index: 0.541
- Total population: 25,729
- White: 52.7% (13,569)
- Black or African American: 42.4% (10,910)
- American Indian and Alaska Native: 0.4% (98)
- Asian: 1.0% (253)
- Native Hawaiian and other Pacific Islander: 0.0% (6)
- 2 or more races: 2.4% (622)
- Some other Race: 1.1% (271)
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JERRYE & ROY KLOTZ, M.D. // Wikimedia Commons

#5. Baltimore County

- Index: 0.545
- Total population: 828,018
- White: 60.6% (501,423)
- Black or African American: 28.9% (239,308)
- American Indian and Alaska Native: 0.3% (2,460)
- Asian: 6.0% (49,885)
- Native Hawaiian and other Pacific Islander: 0.1% (726)
- 2 or more races: 2.8% (23,112)
- Some other Race: 1.3% (11,104)

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MamaGeek // Wikimedia Commons

#4. Prince George's County

- Index: 0.560
- Total population: 908,670
- White: 16.6% (150,782)
- Black or African American: 62.7% (569,478)
- American Indian and Alaska Native: 0.4% (3,283)
- Asian: 4.1% (37,453)
- Native Hawaiian and other Pacific Islander: 0.1% (475)
- 2 or more races: 3.0% (26,891)
- Some other Race: 13.2% (120,308)
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Pubdog // Wikimedia Commons

#3. Charles County

- Index: 0.591
- Total population: 159,428
- White: 44.0% (70,090)
- Black or African American: 46.0% (73,300)
- American Indian and Alaska Native: 0.6% (928)
- Asian: 3.2% (5,115)
- Native Hawaiian and other Pacific Islander: 0.0% (16)
- 2 or more races: 5.5% (8,821)
- Some other Race: 0.7% (1,158)
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Zrmachuga // Wikimedia Commons

#2. Howard County

- Index: 0.605
- Total population: 318,855
- White: 57.0% (181,711)
- Black or African American: 18.9% (60,232)
- American Indian and Alaska Native: 0.3% (846)
- Asian: 18.1% (57,613)
- Native Hawaiian and other Pacific Islander: 0.0% (84)
- 2 or more races: 4.4% (14,160)
- Some other Race: 1.3% (4,209)
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TownCreative // Wikimedia Commons

#1. Montgomery County

- Index: 0.652
- Total population: 1.0 million
- White: 53.1% (553,846)
- Black or African American: 18.5% (192,639)
- American Indian and Alaska Native: 0.3% (3,273)
- Asian: 14.8% (154,340)
- Native Hawaiian and other Pacific Islander: 0.0% (467)
- 2 or more races: 4.4% (45,410)
- Some other Race: 9.0% (93,555)

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