Most diverse counties in Maryland
Written by:
October 16, 2021
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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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#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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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#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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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#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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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#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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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#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)
- 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)
#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)
- 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)
#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)
- 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)
#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)
- 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)
