Most diverse counties in Pennsylvania

Written by:
October 16, 2021
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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.

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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)

#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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