Most diverse counties in Pennsylvania

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

Most diverse counties in Pennsylvania

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 Pennsylvania 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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Smallbones // Wikimedia Commons

#50. Snyder County

- Index: 0.071
- Total population: 40,483
- White: 96.4% (39,022)
- Black or African American: 1.0% (425)
- American Indian and Alaska Native: 0.1% (30)
- Asian: 0.7% (275)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 1.3% (510)
- Some other Race: 0.5% (221)
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#49. Clinton County

- Index: 0.074
- Total population: 38,915
- White: 96.2% (37,447)
- Black or African American: 1.8% (696)
- American Indian and Alaska Native: 0.3% (102)
- Asian: 0.8% (323)
- Native Hawaiian and other Pacific Islander: 0.0% (11)
- 2 or more races: 0.7% (253)
- Some other Race: 0.2% (83)
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Mvincec // Wikimedia Commons

#48. Butler County

- Index: 0.081
- Total population: 186,899
- White: 95.8% (179,098)
- Black or African American: 1.0% (1,821)
- American Indian and Alaska Native: 0.0% (83)
- Asian: 1.2% (2,336)
- Native Hawaiian and other Pacific Islander: 0.0% (25)
- 2 or more races: 1.7% (3,142)
- Some other Race: 0.2% (394)
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#47. Carbon County

- Index: 0.084
- Total population: 63,887
- White: 95.7% (61,135)
- Black or African American: 2.3% (1,485)
- American Indian and Alaska Native: 0.2% (126)
- Asian: 0.6% (360)
- Native Hawaiian and other Pacific Islander: 0.0% (8)
- 2 or more races: 0.8% (535)
- Some other Race: 0.4% (238)
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Nicholas // Wikimedia Commons

#46. Sullivan County

- Index: 0.085
- Total population: 6,135
- White: 95.6% (5,866)
- Black or African American: 2.4% (150)
- American Indian and Alaska Native: 0.1% (7)
- Asian: 0.1% (5)
- Native Hawaiian and other Pacific Islander: 0.0% (2)
- 2 or more races: 0.7% (40)
- Some other Race: 1.1% (65)

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Nicholas // Wikimedia Commons

#45. Crawford County

- Index: 0.088
- Total population: 85,665
- White: 95.5% (81,795)
- Black or African American: 1.6% (1,384)
- American Indian and Alaska Native: 0.0% (33)
- Asian: 0.6% (485)
- Native Hawaiian and other Pacific Islander: 0.0% (23)
- 2 or more races: 2.0% (1,697)
- Some other Race: 0.3% (248)
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#44. Blair County

- Index: 0.088
- Total population: 123,157
- White: 95.5% (117,570)
- Black or African American: 1.7% (2,053)
- American Indian and Alaska Native: 0.1% (158)
- Asian: 0.6% (756)
- Native Hawaiian and other Pacific Islander: 0.0% (60)
- 2 or more races: 1.7% (2,134)
- Some other Race: 0.3% (426)
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Canadian2006 // Wikimedia Commons

#43. Somerset County

- Index: 0.094
- Total population: 74,361
- White: 95.2% (70,757)
- Black or African American: 2.6% (1,913)
- American Indian and Alaska Native: 0.1% (67)
- Asian: 0.3% (251)
- Native Hawaiian and other Pacific Islander: 0.0% (5)
- 2 or more races: 1.4% (1,073)
- Some other Race: 0.4% (295)
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Ruhrfisch (talk) // Wikimedia Commons

#42. Columbia County

- Index: 0.094
- Total population: 65,715
- White: 95.1% (62,515)
- Black or African American: 1.8% (1,177)
- American Indian and Alaska Native: 0.1% (78)
- Asian: 1.1% (735)
- Native Hawaiian and other Pacific Islander: 0.0% (20)
- 2 or more races: 1.1% (730)
- Some other Race: 0.7% (460)
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Doug Kerr // Wikimedia Commons

#41. Indiana County

- Index: 0.102
- Total population: 85,032
- White: 94.7% (80,516)
- Black or African American: 2.3% (1,955)
- American Indian and Alaska Native: 0.1% (56)
- Asian: 1.0% (840)
- Native Hawaiian and other Pacific Islander: 0.0% (16)
- 2 or more races: 1.6% (1,390)
- Some other Race: 0.3% (259)

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Pubdog // Wikimedia Commons

#40. Clearfield County

- Index: 0.103
- Total population: 79,908
- White: 94.7% (75,643)
- Black or African American: 2.9% (2,302)
- American Indian and Alaska Native: 0.2% (192)
- Asian: 0.5% (401)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 1.4% (1,146)
- Some other Race: 0.3% (224)
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#39. Westmoreland County

- Index: 0.103
- Total population: 352,590
- White: 94.7% (333,734)
- Black or African American: 2.4% (8,330)
- American Indian and Alaska Native: 0.1% (209)
- Asian: 0.9% (3,257)
- Native Hawaiian and other Pacific Islander: 0.0% (37)
- 2 or more races: 1.7% (6,141)
- Some other Race: 0.3% (882)
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Publichall // Wikimedia Commons

#38. Northumberland County

- Index: 0.104
- Total population: 91,761
- White: 94.6% (86,804)
- Black or African American: 2.7% (2,457)
- American Indian and Alaska Native: 0.4% (389)
- Asian: 0.4% (379)
- Native Hawaiian and other Pacific Islander: 0.0% (35)
- 2 or more races: 1.4% (1,240)
- Some other Race: 0.5% (457)
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Nicholas from Pennsylvania, USA // Wikimedia Commons

#37. McKean County

- Index: 0.106
- Total population: 41,401
- White: 94.5% (39,132)
- Black or African American: 2.5% (1,048)
- American Indian and Alaska Native: 0.2% (63)
- Asian: 0.5% (212)
- Native Hawaiian and other Pacific Islander: 0.1% (21)
- 2 or more races: 1.5% (616)
- Some other Race: 0.7% (309)
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Nyttend // Wikimedia Commons

#36. Greene County

- Index: 0.114
- Total population: 36,870
- White: 94.0% (34,669)
- Black or African American: 3.1% (1,152)
- American Indian and Alaska Native: 0.0% (11)
- Asian: 0.4% (132)
- Native Hawaiian and other Pacific Islander: 0.0% (7)
- 2 or more races: 2.2% (795)
- Some other Race: 0.3% (104)

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Smallbones // Wikimedia Commons

#35. Montour County

- Index: 0.117
- Total population: 18,259
- White: 93.9% (17,145)
- Black or African American: 1.8% (328)
- American Indian and Alaska Native: 0.1% (11)
- Asian: 3.5% (632)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 0.7% (129)
- Some other Race: 0.1% (14)
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Andrew Rodland // Wikimedia Commons

#34. Wayne County

- Index: 0.120
- Total population: 51,422
- White: 93.7% (48,194)
- Black or African American: 3.2% (1,639)
- American Indian and Alaska Native: 0.2% (121)
- Asian: 0.6% (304)
- Native Hawaiian and other Pacific Islander: 0.0% (9)
- 2 or more races: 1.9% (976)
- Some other Race: 0.3% (179)
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Jakec // Wikimedia Commons

#33. Schuylkill County

- Index: 0.121
- Total population: 142,674
- White: 93.7% (133,647)
- Black or African American: 3.2% (4,538)
- American Indian and Alaska Native: 0.2% (308)
- Asian: 0.5% (703)
- Native Hawaiian and other Pacific Islander: 0.0% (11)
- 2 or more races: 1.4% (2,003)
- Some other Race: 1.0% (1,464)
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Generic1139 // Wikimedia Commons

#32. Washington County

- Index: 0.123
- Total population: 207,212
- White: 93.6% (193,929)
- Black or African American: 3.1% (6,498)
- American Indian and Alaska Native: 0.1% (142)
- Asian: 1.0% (1,971)
- Native Hawaiian and other Pacific Islander: 0.0% (81)
- 2 or more races: 2.0% (4,170)
- Some other Race: 0.2% (421)
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Publichall // Wikimedia Commons

#31. Cambria County

- Index: 0.124
- Total population: 133,009
- White: 93.5% (124,399)
- Black or African American: 3.5% (4,618)
- American Indian and Alaska Native: 0.0% (66)
- Asian: 0.4% (579)
- Native Hawaiian and other Pacific Islander: 0.0% (38)
- 2 or more races: 2.1% (2,821)
- Some other Race: 0.4% (488)

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Nyttend // Wikimedia Commons

#30. Lawrence County

- Index: 0.132
- Total population: 86,727
- White: 93.1% (80,717)
- Black or African American: 3.6% (3,153)
- American Indian and Alaska Native: 0.1% (77)
- Asian: 0.5% (403)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.4% (2,101)
- Some other Race: 0.3% (276)
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Pixabay

#29. Adams County

- Index: 0.138
- Total population: 102,470
- White: 92.7% (95,038)
- Black or African American: 1.4% (1,468)
- American Indian and Alaska Native: 0.1% (129)
- Asian: 0.7% (732)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.3% (2,363)
- Some other Race: 2.7% (2,740)
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#28. Fayette County

- Index: 0.142
- Total population: 131,302
- White: 92.5% (121,435)
- Black or African American: 4.2% (5,502)
- American Indian and Alaska Native: 0.0% (55)
- Asian: 0.4% (474)
- Native Hawaiian and other Pacific Islander: 0.1% (81)
- 2 or more races: 2.4% (3,140)
- Some other Race: 0.5% (615)
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#27. Franklin County

- Index: 0.144
- Total population: 154,147
- White: 92.4% (142,470)
- Black or African American: 3.7% (5,774)
- American Indian and Alaska Native: 0.3% (388)
- Asian: 0.8% (1,296)
- Native Hawaiian and other Pacific Islander: 0.0% (22)
- 2 or more races: 2.1% (3,220)
- Some other Race: 0.6% (977)
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User:Ruhrfisch // Wikimedia Commons

#26. Lycoming County

- Index: 0.150
- Total population: 114,330
- White: 92.1% (105,254)
- Black or African American: 5.0% (5,665)
- American Indian and Alaska Native: 0.2% (221)
- Asian: 0.7% (809)
- Native Hawaiian and other Pacific Islander: 0.0% (25)
- 2 or more races: 1.8% (2,005)
- Some other Race: 0.3% (351)

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Joe Calzarette // Wikimedia Commons

#25. Huntingdon County

- Index: 0.159
- Total population: 45,369
- White: 91.5% (41,519)
- Black or African American: 5.6% (2,548)
- American Indian and Alaska Native: 0.2% (75)
- Asian: 0.6% (269)
- Native Hawaiian and other Pacific Islander: 0.0% (7)
- 2 or more races: 1.7% (751)
- Some other Race: 0.4% (200)
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#24. Mercer County

- Index: 0.163
- Total population: 111,518
- White: 91.3% (101,788)
- Black or African American: 5.7% (6,358)
- American Indian and Alaska Native: 0.1% (115)
- Asian: 0.7% (822)
- Native Hawaiian and other Pacific Islander: 0.0% (3)
- 2 or more races: 1.9% (2,157)
- Some other Race: 0.2% (275)
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#23. Lackawanna County

- Index: 0.168
- Total population: 210,652
- White: 91.1% (191,885)
- Black or African American: 2.8% (5,898)
- American Indian and Alaska Native: 0.1% (108)
- Asian: 2.8% (5,921)
- Native Hawaiian and other Pacific Islander: 0.0% (87)
- 2 or more races: 2.3% (4,775)
- Some other Race: 0.9% (1,978)
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Jerrye & Roy Klotz, MD // Wikimedia Commons

#22. Beaver County

- Index: 0.179
- Total population: 165,833
- White: 90.4% (149,833)
- Black or African American: 5.8% (9,648)
- American Indian and Alaska Native: 0.1% (147)
- Asian: 0.5% (880)
- Native Hawaiian and other Pacific Islander: 0.1% (93)
- 2 or more races: 2.8% (4,608)
- Some other Race: 0.4% (624)
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#21. Pike County

- Index: 0.212
- Total population: 55,453
- White: 88.5% (49,074)
- Black or African American: 6.4% (3,526)
- American Indian and Alaska Native: 0.1% (58)
- Asian: 1.2% (661)
- Native Hawaiian and other Pacific Islander: 0.1% (38)
- 2 or more races: 2.4% (1,330)
- Some other Race: 1.4% (766)

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#20. York County

- Index: 0.214
- Total population: 445,565
- White: 88.4% (393,960)
- Black or African American: 5.9% (26,395)
- American Indian and Alaska Native: 0.2% (938)
- Asian: 1.5% (6,831)
- Native Hawaiian and other Pacific Islander: 0.1% (238)
- 2 or more races: 2.5% (11,015)
- Some other Race: 1.4% (6,188)
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Daderot // Wikimedia Commons

#19. Lancaster County

- Index: 0.214
- Total population: 540,999
- White: 88.5% (478,516)
- Black or African American: 4.2% (22,580)
- American Indian and Alaska Native: 0.2% (823)
- Asian: 2.2% (11,863)
- Native Hawaiian and other Pacific Islander: 0.0% (132)
- 2 or more races: 2.5% (13,430)
- Some other Race: 2.5% (13,655)
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#18. Cumberland County

- Index: 0.226
- Total population: 249,328
- White: 87.7% (218,742)
- Black or African American: 4.0% (9,884)
- American Indian and Alaska Native: 0.1% (347)
- Asian: 4.3% (10,631)
- Native Hawaiian and other Pacific Islander: 0.0% (52)
- 2 or more races: 2.7% (6,710)
- Some other Race: 1.2% (2,962)
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Nicholas // Wikimedia Commons

#17. Centre County

- Index: 0.227
- Total population: 161,960
- White: 87.6% (141,849)
- Black or African American: 3.8% (6,173)
- American Indian and Alaska Native: 0.1% (107)
- Asian: 6.1% (9,923)
- Native Hawaiian and other Pacific Islander: 0.0% (52)
- 2 or more races: 1.8% (2,934)
- Some other Race: 0.6% (922)
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#16. Luzerne County

- Index: 0.228
- Total population: 317,663
- White: 87.6% (278,303)
- Black or African American: 5.1% (16,212)
- American Indian and Alaska Native: 0.2% (626)
- Asian: 1.2% (3,968)
- Native Hawaiian and other Pacific Islander: 0.1% (176)
- 2 or more races: 2.0% (6,458)
- Some other Race: 3.8% (11,920)

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Smallbones // Wikimedia Commons

#15. Bucks County

- Index: 0.229
- Total population: 626,806
- White: 87.6% (548,891)
- Black or African American: 4.0% (25,325)
- American Indian and Alaska Native: 0.2% (1,065)
- Asian: 4.8% (30,282)
- Native Hawaiian and other Pacific Islander: 0.0% (107)
- 2 or more races: 2.0% (12,797)
- Some other Race: 1.3% (8,339)
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Ruhrfisch (talk) // Wikimedia Commons

#14. Union County

- Index: 0.240
- Total population: 45,111
- White: 86.9% (39,190)
- Black or African American: 6.4% (2,898)
- American Indian and Alaska Native: 0.5% (241)
- Asian: 1.7% (754)
- Native Hawaiian and other Pacific Islander: 0.0% (4)
- 2 or more races: 2.2% (1,002)
- Some other Race: 2.3% (1,022)
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Smallbones // Wikimedia Commons

#13. Lebanon County

- Index: 0.244
- Total population: 139,729
- White: 86.6% (121,005)
- Black or African American: 2.5% (3,449)
- American Indian and Alaska Native: 0.1% (132)
- Asian: 1.4% (1,989)
- Native Hawaiian and other Pacific Islander: 0.0% (65)
- 2 or more races: 2.1% (2,955)
- Some other Race: 7.3% (10,134)
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#12. Erie County

- Index: 0.246
- Total population: 273,835
- White: 86.5% (236,779)
- Black or African American: 7.2% (19,663)
- American Indian and Alaska Native: 0.3% (721)
- Asian: 1.7% (4,538)
- Native Hawaiian and other Pacific Islander: 0.0% (63)
- 2 or more races: 3.2% (8,721)
- Some other Race: 1.2% (3,350)
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Shuvaev // Wikimedia Commons

#11. Northampton County

- Index: 0.262
- Total population: 302,809
- White: 85.6% (259,055)
- Black or African American: 5.7% (17,264)
- American Indian and Alaska Native: 0.2% (643)
- Asian: 2.8% (8,497)
- Native Hawaiian and other Pacific Islander: 0.0% (114)
- 2 or more races: 3.5% (10,487)
- Some other Race: 2.2% (6,749)

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Camerafiend // Wikimedia Commons

#10. Chester County

- Index: 0.274
- Total population: 519,560
- White: 84.8% (440,431)
- Black or African American: 5.9% (30,438)
- American Indian and Alaska Native: 0.1% (594)
- Asian: 5.5% (28,448)
- Native Hawaiian and other Pacific Islander: 0.0% (126)
- 2 or more races: 2.3% (11,946)
- Some other Race: 1.5% (7,577)
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Nicholas // Wikimedia Commons

#9. Berks County

- Index: 0.313
- Total population: 418,025
- White: 82.4% (344,474)
- Black or African American: 5.4% (22,697)
- American Indian and Alaska Native: 0.6% (2,474)
- Asian: 1.4% (5,850)
- Native Hawaiian and other Pacific Islander: 0.0% (63)
- 2 or more races: 4.6% (19,062)
- Some other Race: 5.6% (23,405)
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ESB Professional // Shutterstock

#8. Allegheny County

- Index: 0.343
- Total population: 1.2 million
- White: 79.9% (976,172)
- Black or African American: 12.9% (157,060)
- American Indian and Alaska Native: 0.1% (1,368)
- Asian: 3.7% (45,389)
- Native Hawaiian and other Pacific Islander: 0.0% (362)
- 2 or more races: 2.9% (35,305)
- Some other Race: 0.5% (6,088)
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Smallbones // Wikimedia Commons

#7. Lehigh County

- Index: 0.359
- Total population: 365,052
- White: 79.3% (289,545)
- Black or African American: 7.4% (26,932)
- American Indian and Alaska Native: 0.3% (1,030)
- Asian: 3.3% (12,220)
- Native Hawaiian and other Pacific Islander: 0.0% (178)
- 2 or more races: 3.5% (12,687)
- Some other Race: 6.2% (22,460)
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Douglas Muth // Wikimedia Commons

#6. Montgomery County

- Index: 0.360
- Total population: 823,823
- White: 79.1% (651,356)
- Black or African American: 9.2% (75,690)
- American Indian and Alaska Native: 0.1% (1,046)
- Asian: 7.6% (62,636)
- Native Hawaiian and other Pacific Islander: 0.0% (329)
- 2 or more races: 2.6% (21,473)
- Some other Race: 1.4% (11,293)

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Nicholas // Wikimedia Commons

#5. Monroe County

- Index: 0.393
- Total population: 168,032
- White: 76.3% (128,246)
- Black or African American: 14.7% (24,704)
- American Indian and Alaska Native: 0.3% (573)
- Asian: 2.4% (4,096)
- Native Hawaiian and other Pacific Islander: 0.0% (51)
- 2 or more races: 3.1% (5,274)
- Some other Race: 3.0% (5,088)
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Nyttend // Wikimedia Commons

#4. Forest County

- Index: 0.447
- Total population: 7,313
- White: 69.7% (5,095)
- Black or African American: 25.9% (1,893)
- American Indian and Alaska Native: 0.1% (9)
- Asian: 0.1% (8)
- Native Hawaiian and other Pacific Islander: 0.0% (0)
- 2 or more races: 2.6% (193)
- Some other Race: 1.6% (115)
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Rina Pitucci // Flickr

#3. Dauphin County

- Index: 0.467
- Total population: 275,632
- White: 70.1% (193,282)
- Black or African American: 19.5% (53,826)
- American Indian and Alaska Native: 0.3% (719)
- Asian: 4.4% (12,073)
- Native Hawaiian and other Pacific Islander: 0.0% (78)
- 2 or more races: 3.1% (8,580)
- Some other Race: 2.6% (7,074)
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Smallbones // Wikimedia Commons

#2. Delaware County

- Index: 0.477
- Total population: 564,554
- White: 68.7% (388,106)
- Black or African American: 21.6% (121,802)
- American Indian and Alaska Native: 0.2% (1,167)
- Asian: 5.7% (32,094)
- Native Hawaiian and other Pacific Islander: 0.0% (222)
- 2 or more races: 2.6% (14,648)
- Some other Race: 1.2% (6,515)
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Michael Barera // Wikimedia Commons

#1. Philadelphia County

- Index: 0.647
- Total population: 1.6 million
- White: 40.7% (642,060)
- Black or African American: 42.1% (665,333)
- American Indian and Alaska Native: 0.4% (5,754)
- Asian: 7.2% (114,315)
- Native Hawaiian and other Pacific Islander: 0.0% (784)
- 2 or more races: 3.1% (48,349)
- Some other Race: 6.5% (102,480)

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