Most diverse counties in Ohio

Written by:
October 16, 2021
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Most diverse counties in Ohio

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 Ohio 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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#50. Champaign County

- Index: 0.106
- Total population: 38,845
- White: 94.5% (36,711)
- Black or African American: 1.8% (712)
- American Indian and Alaska Native: 0.4% (145)
- Asian: 0.5% (199)
- Native Hawaiian and other Pacific Islander: 0.0% (9)
- 2 or more races: 2.5% (958)
- Some other Race: 0.3% (111)

#49. Wayne County

- Index: 0.106
- Total population: 116,099
- White: 94.5% (109,717)
- Black or African American: 1.4% (1,584)
- American Indian and Alaska Native: 0.2% (286)
- Asian: 1.0% (1,211)
- Native Hawaiian and other Pacific Islander: 0.0% (15)
- 2 or more races: 1.8% (2,080)
- Some other Race: 1.0% (1,206)

#48. Putnam County

- Index: 0.109
- Total population: 33,911
- White: 94.3% (31,974)
- Black or African American: 0.4% (137)
- American Indian and Alaska Native: 0.0% (8)
- Asian: 0.2% (53)
- Native Hawaiian and other Pacific Islander: 0.0% (11)
- 2 or more races: 1.3% (438)
- Some other Race: 3.8% (1,290)

#47. Clinton County

- Index: 0.110
- Total population: 41,957
- White: 94.3% (39,562)
- Black or African American: 2.1% (861)
- American Indian and Alaska Native: 0.1% (27)
- Asian: 0.5% (200)
- Native Hawaiian and other Pacific Islander: 0.0% (10)
- 2 or more races: 2.7% (1,143)
- Some other Race: 0.4% (154)

#46. Shelby County

- Index: 0.113
- Total population: 48,749
- White: 94.1% (45,876)
- Black or African American: 2.6% (1,276)
- American Indian and Alaska Native: 0.3% (142)
- Asian: 1.2% (576)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 1.7% (805)
- Some other Race: 0.2% (74)

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#45. Scioto County

- Index: 0.113
- Total population: 76,040
- White: 94.1% (71,545)
- Black or African American: 2.9% (2,224)
- American Indian and Alaska Native: 0.3% (253)
- Asian: 0.4% (321)
- Native Hawaiian and other Pacific Islander: 0.0% (6)
- 2 or more races: 1.9% (1,446)
- Some other Race: 0.3% (245)

#44. Gallia County

- Index: 0.119
- Total population: 30,088
- White: 93.8% (28,219)
- Black or African American: 2.2% (657)
- American Indian and Alaska Native: 0.4% (130)
- Asian: 0.8% (232)
- Native Hawaiian and other Pacific Islander: 0.1% (40)
- 2 or more races: 2.1% (642)
- Some other Race: 0.6% (168)

#43. Seneca County

- Index: 0.120
- Total population: 55,351
- White: 93.7% (51,886)
- Black or African American: 3.1% (1,716)
- American Indian and Alaska Native: 0.2% (105)
- Asian: 0.6% (344)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 1.7% (961)
- Some other Race: 0.6% (339)

#42. Miami County

- Index: 0.121
- Total population: 105,371
- White: 93.7% (98,717)
- Black or African American: 2.0% (2,130)
- American Indian and Alaska Native: 0.1% (147)
- Asian: 1.2% (1,317)
- Native Hawaiian and other Pacific Islander: 0.0% (6)
- 2 or more races: 2.7% (2,801)
- Some other Race: 0.2% (253)

#41. Fayette County

- Index: 0.122
- Total population: 28,620
- White: 93.6% (26,802)
- Black or African American: 2.5% (710)
- American Indian and Alaska Native: 0.0% (9)
- Asian: 1.0% (282)
- Native Hawaiian and other Pacific Islander: 0.0% (11)
- 2 or more races: 2.2% (626)
- Some other Race: 0.6% (180)

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#40. Henry County

- Index: 0.124
- Total population: 27,208
- White: 93.5% (25,451)
- Black or African American: 0.9% (252)
- American Indian and Alaska Native: 0.2% (46)
- Asian: 0.3% (85)
- Native Hawaiian and other Pacific Islander: 0.0% (4)
- 2 or more races: 2.2% (609)
- Some other Race: 2.8% (761)

#39. Pickaway County

- Index: 0.129
- Total population: 57,762
- White: 93.2% (53,851)
- Black or African American: 3.6% (2,055)
- American Indian and Alaska Native: 0.3% (163)
- Asian: 0.6% (372)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 1.9% (1,085)
- Some other Race: 0.4% (236)

#38. Belmont County

- Index: 0.130
- Total population: 68,024
- White: 93.2% (63,374)
- Black or African American: 3.9% (2,652)
- American Indian and Alaska Native: 0.2% (159)
- Asian: 0.5% (333)
- Native Hawaiian and other Pacific Islander: 0.0% (8)
- 2 or more races: 1.8% (1,191)
- Some other Race: 0.5% (307)

#37. Fulton County

- Index: 0.133
- Total population: 42,253
- White: 93.0% (39,307)
- Black or African American: 0.4% (169)
- American Indian and Alaska Native: 0.4% (183)
- Asian: 0.4% (182)
- Native Hawaiian and other Pacific Islander: 0.0% (19)
- 2 or more races: 2.4% (1,016)
- Some other Race: 3.3% (1,377)

#36. Ashtabula County

- Index: 0.137
- Total population: 97,830
- White: 92.8% (90,804)
- Black or African American: 3.6% (3,515)
- American Indian and Alaska Native: 0.1% (146)
- Asian: 0.5% (533)
- Native Hawaiian and other Pacific Islander: 0.0% (12)
- 2 or more races: 2.4% (2,387)
- Some other Race: 0.4% (433)

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#35. Noble County

- Index: 0.139
- Total population: 14,416
- White: 92.6% (13,355)
- Black or African American: 5.6% (807)
- American Indian and Alaska Native: 0.2% (28)
- Asian: 0.1% (11)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 0.8% (121)
- Some other Race: 0.7% (94)

#34. Morgan County

- Index: 0.142
- Total population: 14,640
- White: 92.5% (13,538)
- Black or African American: 4.9% (721)
- American Indian and Alaska Native: 0.1% (10)
- Asian: 0.2% (30)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.3% (337)
- Some other Race: 0.0% (4)

#33. Hancock County

- Index: 0.151
- Total population: 75,837
- White: 92.1% (69,813)
- Black or African American: 1.7% (1,258)
- American Indian and Alaska Native: 0.1% (74)
- Asian: 1.9% (1,467)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.6% (1,970)
- Some other Race: 1.7% (1,255)

#32. Wood County

- Index: 0.154
- Total population: 130,150
- White: 91.9% (119,595)
- Black or African American: 2.6% (3,416)
- American Indian and Alaska Native: 0.2% (248)
- Asian: 1.7% (2,180)
- Native Hawaiian and other Pacific Islander: 0.1% (94)
- 2 or more races: 2.5% (3,275)
- Some other Race: 1.0% (1,342)

#31. Muskingum County

- Index: 0.155
- Total population: 86,131
- White: 91.8% (79,042)
- Black or African American: 3.2% (2,779)
- American Indian and Alaska Native: 0.3% (222)
- Asian: 0.4% (385)
- Native Hawaiian and other Pacific Islander: 0.0% (33)
- 2 or more races: 3.8% (3,285)
- Some other Race: 0.4% (385)

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#30. Licking County

- Index: 0.162
- Total population: 173,750
- White: 91.4% (158,836)
- Black or African American: 3.8% (6,676)
- American Indian and Alaska Native: 0.1% (213)
- Asian: 1.3% (2,179)
- Native Hawaiian and other Pacific Islander: 0.0% (31)
- 2 or more races: 2.9% (5,037)
- Some other Race: 0.4% (778)

#29. Jefferson County

- Index: 0.164
- Total population: 66,371
- White: 91.3% (60,567)
- Black or African American: 5.5% (3,654)
- American Indian and Alaska Native: 0.1% (65)
- Asian: 0.5% (349)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.4% (1,591)
- Some other Race: 0.2% (145)

#28. Sandusky County

- Index: 0.166
- Total population: 59,029
- White: 91.2% (53,834)
- Black or African American: 3.0% (1,766)
- American Indian and Alaska Native: 0.3% (164)
- Asian: 0.4% (223)
- Native Hawaiian and other Pacific Islander: 0.0% (12)
- 2 or more races: 2.8% (1,665)
- Some other Race: 2.3% (1,365)

#27. Athens County

- Index: 0.168
- Total population: 65,917
- White: 91.1% (60,024)
- Black or African American: 3.0% (1,962)
- American Indian and Alaska Native: 0.2% (140)
- Asian: 2.6% (1,728)
- Native Hawaiian and other Pacific Islander: 0.1% (40)
- 2 or more races: 2.7% (1,792)
- Some other Race: 0.4% (231)

#26. Lake County

- Index: 0.169
- Total population: 229,954
- White: 91.0% (209,296)
- Black or African American: 4.3% (9,947)
- American Indian and Alaska Native: 0.1% (281)
- Asian: 1.2% (2,838)
- Native Hawaiian and other Pacific Islander: 0.0% (60)
- 2 or more races: 2.3% (5,334)
- Some other Race: 1.0% (2,198)

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#25. Union County

- Index: 0.169
- Total population: 56,707
- White: 91.0% (51,608)
- Black or African American: 2.6% (1,470)
- American Indian and Alaska Native: 0.3% (195)
- Asian: 4.0% (2,269)
- Native Hawaiian and other Pacific Islander: 0.1% (48)
- 2 or more races: 1.5% (830)
- Some other Race: 0.5% (287)

#24. Defiance County

- Index: 0.175
- Total population: 38,160
- White: 90.7% (34,608)
- Black or African American: 1.8% (670)
- American Indian and Alaska Native: 0.5% (190)
- Asian: 0.4% (168)
- Native Hawaiian and other Pacific Islander: 0.0% (13)
- 2 or more races: 3.3% (1,264)
- Some other Race: 3.3% (1,247)

#23. Portage County

- Index: 0.176
- Total population: 162,511
- White: 90.6% (147,306)
- Black or African American: 4.1% (6,724)
- American Indian and Alaska Native: 0.1% (236)
- Asian: 1.8% (2,907)
- Native Hawaiian and other Pacific Islander: 0.0% (49)
- 2 or more races: 2.7% (4,399)
- Some other Race: 0.5% (890)

#22. Ross County

- Index: 0.179
- Total population: 76,948
- White: 90.4% (69,541)
- Black or African American: 5.3% (4,050)
- American Indian and Alaska Native: 0.0% (10)
- Asian: 0.5% (392)
- Native Hawaiian and other Pacific Islander: 0.0% (19)
- 2 or more races: 3.3% (2,557)
- Some other Race: 0.5% (379)

#21. Madison County

- Index: 0.182
- Total population: 44,135
- White: 90.2% (39,820)
- Black or African American: 5.9% (2,602)
- American Indian and Alaska Native: 0.1% (48)
- Asian: 0.7% (310)
- Native Hawaiian and other Pacific Islander: 0.0% (9)
- 2 or more races: 2.9% (1,288)
- Some other Race: 0.1% (58)

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#20. Marion County

- Index: 0.193
- Total population: 65,299
- White: 89.6% (58,505)
- Black or African American: 5.7% (3,714)
- American Indian and Alaska Native: 0.3% (166)
- Asian: 0.6% (420)
- Native Hawaiian and other Pacific Islander: 0.0% (26)
- 2 or more races: 3.2% (2,072)
- Some other Race: 0.6% (396)

#19. Trumbull County

- Index: 0.209
- Total population: 200,367
- White: 88.5% (177,380)
- Black or African American: 8.2% (16,468)
- American Indian and Alaska Native: 0.1% (211)
- Asian: 0.5% (1,047)
- Native Hawaiian and other Pacific Islander: 0.0% (62)
- 2 or more races: 2.5% (4,948)
- Some other Race: 0.1% (251)

#18. Warren County

- Index: 0.214
- Total population: 229,132
- White: 88.4% (202,506)
- Black or African American: 3.4% (7,895)
- American Indian and Alaska Native: 0.1% (193)
- Asian: 5.8% (13,183)
- Native Hawaiian and other Pacific Islander: 0.0% (5)
- 2 or more races: 1.8% (4,236)
- Some other Race: 0.5% (1,114)

#17. Stark County

- Index: 0.223
- Total population: 372,404
- White: 87.7% (326,746)
- Black or African American: 7.5% (27,880)
- American Indian and Alaska Native: 0.1% (473)
- Asian: 0.9% (3,432)
- Native Hawaiian and other Pacific Islander: 0.0% (21)
- 2 or more races: 3.1% (11,513)
- Some other Race: 0.6% (2,339)

#16. Fairfield County

- Index: 0.234
- Total population: 154,457
- White: 87.1% (134,573)
- Black or African American: 7.4% (11,384)
- American Indian and Alaska Native: 0.1% (163)
- Asian: 1.6% (2,492)
- Native Hawaiian and other Pacific Islander: 0.0% (71)
- 2 or more races: 3.0% (4,667)
- Some other Race: 0.7% (1,107)

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#15. Delaware County

- Index: 0.237
- Total population: 201,135
- White: 87.0% (175,014)
- Black or African American: 3.4% (6,845)
- American Indian and Alaska Native: 0.1% (250)
- Asian: 6.3% (12,716)
- Native Hawaiian and other Pacific Islander: 0.0% (49)
- 2 or more races: 2.6% (5,225)
- Some other Race: 0.5% (1,036)

#14. Clark County

- Index: 0.238
- Total population: 134,726
- White: 86.8% (116,999)
- Black or African American: 8.1% (10,915)
- American Indian and Alaska Native: 0.2% (256)
- Asian: 0.6% (825)
- Native Hawaiian and other Pacific Islander: 0.0% (38)
- 2 or more races: 3.7% (5,038)
- Some other Race: 0.5% (655)

#13. Richland County

- Index: 0.240
- Total population: 121,100
- White: 86.7% (104,983)
- Black or African American: 8.9% (10,808)
- American Indian and Alaska Native: 0.1% (139)
- Asian: 0.8% (959)
- Native Hawaiian and other Pacific Islander: 0.0% (40)
- 2 or more races: 3.0% (3,619)
- Some other Race: 0.5% (552)

#12. Greene County

- Index: 0.257
- Total population: 166,502
- White: 85.8% (142,871)
- Black or African American: 6.9% (11,516)
- American Indian and Alaska Native: 0.1% (203)
- Asian: 2.9% (4,892)
- Native Hawaiian and other Pacific Islander: 0.1% (99)
- 2 or more races: 3.5% (5,876)
- Some other Race: 0.6% (1,045)

#11. Erie County

- Index: 0.260
- Total population: 74,780
- White: 85.5% (63,928)
- Black or African American: 9.1% (6,769)
- American Indian and Alaska Native: 0.4% (292)
- Asian: 0.6% (441)
- Native Hawaiian and other Pacific Islander: 0.0% (6)
- 2 or more races: 3.1% (2,329)
- Some other Race: 1.4% (1,015)

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#10. Lorain County

- Index: 0.268
- Total population: 307,670
- White: 85.0% (261,580)
- Black or African American: 8.5% (26,255)
- American Indian and Alaska Native: 0.4% (1,117)
- Asian: 1.2% (3,578)
- Native Hawaiian and other Pacific Islander: 0.0% (98)
- 2 or more races: 3.6% (11,169)
- Some other Race: 1.3% (3,873)

#9. Butler County

- Index: 0.279
- Total population: 380,019
- White: 84.4% (320,689)
- Black or African American: 8.0% (30,587)
- American Indian and Alaska Native: 0.3% (1,034)
- Asian: 3.3% (12,447)
- Native Hawaiian and other Pacific Islander: 0.1% (330)
- 2 or more races: 2.8% (10,827)
- Some other Race: 1.1% (4,105)

#8. Allen County

- Index: 0.303
- Total population: 103,175
- White: 82.5% (85,161)
- Black or African American: 11.9% (12,230)
- American Indian and Alaska Native: 0.2% (247)
- Asian: 0.8% (871)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 3.5% (3,599)
- Some other Race: 1.0% (1,067)

#7. Mahoning County

- Index: 0.341
- Total population: 229,961
- White: 79.7% (183,221)
- Black or African American: 15.1% (34,740)
- American Indian and Alaska Native: 0.3% (608)
- Asian: 0.9% (2,042)
- Native Hawaiian and other Pacific Islander: 0.0% (84)
- 2 or more races: 3.2% (7,340)
- Some other Race: 0.8% (1,926)

#6. Summit County

- Index: 0.360
- Total population: 541,334
- White: 78.6% (425,243)
- Black or African American: 14.5% (78,751)
- American Indian and Alaska Native: 0.2% (986)
- Asian: 3.4% (18,430)
- Native Hawaiian and other Pacific Islander: 0.0% (84)
- 2 or more races: 2.9% (15,891)
- Some other Race: 0.4% (1,949)

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#5. Montgomery County

- Index: 0.429
- Total population: 531,670
- White: 72.7% (386,350)
- Black or African American: 20.4% (108,397)
- American Indian and Alaska Native: 0.2% (1,212)
- Asian: 2.2% (11,476)
- Native Hawaiian and other Pacific Islander: 0.0% (207)
- 2 or more races: 3.5% (18,693)
- Some other Race: 1.0% (5,335)

#4. Lucas County

- Index: 0.441
- Total population: 431,102
- White: 72.1% (310,784)
- Black or African American: 19.0% (82,120)
- American Indian and Alaska Native: 0.3% (1,088)
- Asian: 1.7% (7,440)
- Native Hawaiian and other Pacific Islander: 0.0% (129)
- 2 or more races: 4.6% (19,629)
- Some other Race: 2.3% (9,912)

#3. Hamilton County

- Index: 0.479
- Total population: 813,589
- White: 67.4% (548,299)
- Black or African American: 25.5% (207,839)
- American Indian and Alaska Native: 0.1% (904)
- Asian: 2.6% (21,550)
- Native Hawaiian and other Pacific Islander: 0.1% (516)
- 2 or more races: 3.3% (26,663)
- Some other Race: 1.0% (7,818)

#2. Franklin County

- Index: 0.505
- Total population: 1.3 million
- White: 66.3% (855,170)
- Black or African American: 22.6% (291,177)
- American Indian and Alaska Native: 0.2% (2,891)
- Asian: 5.3% (67,795)
- Native Hawaiian and other Pacific Islander: 0.0% (470)
- 2 or more races: 3.8% (49,657)
- Some other Race: 1.8% (23,200)

#1. Cuyahoga County

- Index: 0.521
- Total population: 1.2 million
- White: 62.4% (778,519)
- Black or African American: 29.6% (368,969)
- American Indian and Alaska Native: 0.3% (3,280)
- Asian: 3.0% (37,879)
- Native Hawaiian and other Pacific Islander: 0.0% (486)
- 2 or more races: 3.1% (38,783)
- Some other Race: 1.6% (19,535)

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