Most diverse counties in New Jersey
Written by:
October 16, 2021
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Most diverse counties in New Jersey
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 New Jersey 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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#21. Sussex County
- Index: 0.137
- Total population: 141,483
- White: 92.8% (131,300)
- Black or African American: 2.3% (3,290)
- American Indian and Alaska Native: 0.0% (37)
- Asian: 2.1% (2,963)
- Native Hawaiian and other Pacific Islander: 0.0% (38)
- 2 or more races: 1.8% (2,501)
- Some other Race: 1.0% (1,354)
- Total population: 141,483
- White: 92.8% (131,300)
- Black or African American: 2.3% (3,290)
- American Indian and Alaska Native: 0.0% (37)
- Asian: 2.1% (2,963)
- Native Hawaiian and other Pacific Islander: 0.0% (38)
- 2 or more races: 1.8% (2,501)
- Some other Race: 1.0% (1,354)
#20. Cape May County
- Index: 0.162
- Total population: 93,086
- White: 91.4% (85,095)
- Black or African American: 4.5% (4,187)
- American Indian and Alaska Native: 0.0% (20)
- Asian: 0.9% (864)
- Native Hawaiian and other Pacific Islander: 0.0% (21)
- 2 or more races: 2.0% (1,837)
- Some other Race: 1.1% (1,062)
- Total population: 93,086
- White: 91.4% (85,095)
- Black or African American: 4.5% (4,187)
- American Indian and Alaska Native: 0.0% (20)
- Asian: 0.9% (864)
- Native Hawaiian and other Pacific Islander: 0.0% (21)
- 2 or more races: 2.0% (1,837)
- Some other Race: 1.1% (1,062)
#19. Ocean County
- Index: 0.171
- Total population: 596,415
- White: 90.9% (542,186)
- Black or African American: 3.1% (18,465)
- American Indian and Alaska Native: 0.1% (396)
- Asian: 1.9% (11,175)
- Native Hawaiian and other Pacific Islander: 0.0% (263)
- 2 or more races: 1.7% (10,228)
- Some other Race: 2.3% (13,702)
- Total population: 596,415
- White: 90.9% (542,186)
- Black or African American: 3.1% (18,465)
- American Indian and Alaska Native: 0.1% (396)
- Asian: 1.9% (11,175)
- Native Hawaiian and other Pacific Islander: 0.0% (263)
- 2 or more races: 1.7% (10,228)
- Some other Race: 2.3% (13,702)
#18. Hunterdon County
- Index: 0.177
- Total population: 124,823
- White: 90.5% (113,022)
- Black or African American: 2.6% (3,268)
- American Indian and Alaska Native: 0.1% (97)
- Asian: 4.1% (5,145)
- Native Hawaiian and other Pacific Islander: 0.0% (47)
- 2 or more races: 1.5% (1,915)
- Some other Race: 1.1% (1,329)
- Total population: 124,823
- White: 90.5% (113,022)
- Black or African American: 2.6% (3,268)
- American Indian and Alaska Native: 0.1% (97)
- Asian: 4.1% (5,145)
- Native Hawaiian and other Pacific Islander: 0.0% (47)
- 2 or more races: 1.5% (1,915)
- Some other Race: 1.1% (1,329)
#17. Warren County
- Index: 0.213
- Total population: 105,862
- White: 88.5% (93,685)
- Black or African American: 4.5% (4,747)
- American Indian and Alaska Native: 0.2% (172)
- Asian: 2.7% (2,812)
- Native Hawaiian and other Pacific Islander: 0.0% (2)
- 2 or more races: 2.4% (2,537)
- Some other Race: 1.8% (1,907)
- Total population: 105,862
- White: 88.5% (93,685)
- Black or African American: 4.5% (4,747)
- American Indian and Alaska Native: 0.2% (172)
- Asian: 2.7% (2,812)
- Native Hawaiian and other Pacific Islander: 0.0% (2)
- 2 or more races: 2.4% (2,537)
- Some other Race: 1.8% (1,907)
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#16. Monmouth County
- Index: 0.312
- Total population: 621,659
- White: 82.4% (512,161)
- Black or African American: 7.2% (44,513)
- American Indian and Alaska Native: 0.2% (959)
- Asian: 5.4% (33,559)
- Native Hawaiian and other Pacific Islander: 0.0% (262)
- 2 or more races: 2.0% (12,537)
- Some other Race: 2.8% (17,668)
- Total population: 621,659
- White: 82.4% (512,161)
- Black or African American: 7.2% (44,513)
- American Indian and Alaska Native: 0.2% (959)
- Asian: 5.4% (33,559)
- Native Hawaiian and other Pacific Islander: 0.0% (262)
- 2 or more races: 2.0% (12,537)
- Some other Race: 2.8% (17,668)
#15. Morris County
- Index: 0.322
- Total population: 493,379
- White: 81.5% (402,269)
- Black or African American: 3.5% (17,023)
- American Indian and Alaska Native: 0.1% (734)
- Asian: 10.3% (50,794)
- Native Hawaiian and other Pacific Islander: 0.0% (96)
- 2 or more races: 2.2% (11,100)
- Some other Race: 2.3% (11,363)
- Total population: 493,379
- White: 81.5% (402,269)
- Black or African American: 3.5% (17,023)
- American Indian and Alaska Native: 0.1% (734)
- Asian: 10.3% (50,794)
- Native Hawaiian and other Pacific Islander: 0.0% (96)
- 2 or more races: 2.2% (11,100)
- Some other Race: 2.3% (11,363)
#14. Gloucester County
- Index: 0.324
- Total population: 291,165
- White: 81.4% (237,131)
- Black or African American: 10.2% (29,570)
- American Indian and Alaska Native: 0.1% (306)
- Asian: 3.1% (9,045)
- Native Hawaiian and other Pacific Islander: 0.0% (64)
- 2 or more races: 3.2% (9,336)
- Some other Race: 2.0% (5,713)
- Total population: 291,165
- White: 81.4% (237,131)
- Black or African American: 10.2% (29,570)
- American Indian and Alaska Native: 0.1% (306)
- Asian: 3.1% (9,045)
- Native Hawaiian and other Pacific Islander: 0.0% (64)
- 2 or more races: 3.2% (9,336)
- Some other Race: 2.0% (5,713)
#13. Salem County
- Index: 0.340
- Total population: 62,990
- White: 80.0% (50,417)
- Black or African American: 13.2% (8,340)
- American Indian and Alaska Native: 0.3% (192)
- Asian: 1.1% (677)
- Native Hawaiian and other Pacific Islander: 0.0% (31)
- 2 or more races: 3.3% (2,052)
- Some other Race: 2.0% (1,281)
- Total population: 62,990
- White: 80.0% (50,417)
- Black or African American: 13.2% (8,340)
- American Indian and Alaska Native: 0.3% (192)
- Asian: 1.1% (677)
- Native Hawaiian and other Pacific Islander: 0.0% (31)
- 2 or more races: 3.3% (2,052)
- Some other Race: 2.0% (1,281)
#12. Burlington County
- Index: 0.448
- Total population: 445,702
- White: 72.0% (320,997)
- Black or African American: 16.9% (75,266)
- American Indian and Alaska Native: 0.1% (610)
- Asian: 5.1% (22,583)
- Native Hawaiian and other Pacific Islander: 0.1% (277)
- 2 or more races: 3.8% (17,148)
- Some other Race: 2.0% (8,821)
- Total population: 445,702
- White: 72.0% (320,997)
- Black or African American: 16.9% (75,266)
- American Indian and Alaska Native: 0.1% (610)
- Asian: 5.1% (22,583)
- Native Hawaiian and other Pacific Islander: 0.1% (277)
- 2 or more races: 3.8% (17,148)
- Some other Race: 2.0% (8,821)
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#11. Bergen County
- Index: 0.455
- Total population: 930,390
- White: 71.6% (666,126)
- Black or African American: 6.0% (55,381)
- American Indian and Alaska Native: 0.2% (1,778)
- Asian: 16.3% (151,965)
- Native Hawaiian and other Pacific Islander: 0.0% (361)
- 2 or more races: 2.7% (24,756)
- Some other Race: 3.2% (30,023)
- Total population: 930,390
- White: 71.6% (666,126)
- Black or African American: 6.0% (55,381)
- American Indian and Alaska Native: 0.2% (1,778)
- Asian: 16.3% (151,965)
- Native Hawaiian and other Pacific Islander: 0.0% (361)
- 2 or more races: 2.7% (24,756)
- Some other Race: 3.2% (30,023)
#10. Cumberland County
- Index: 0.493
- Total population: 151,906
- White: 68.1% (103,397)
- Black or African American: 19.5% (29,551)
- American Indian and Alaska Native: 0.8% (1,278)
- Asian: 1.4% (2,189)
- Native Hawaiian and other Pacific Islander: 0.0% (23)
- 2 or more races: 4.1% (6,231)
- Some other Race: 6.1% (9,237)
- Total population: 151,906
- White: 68.1% (103,397)
- Black or African American: 19.5% (29,551)
- American Indian and Alaska Native: 0.8% (1,278)
- Asian: 1.4% (2,189)
- Native Hawaiian and other Pacific Islander: 0.0% (23)
- 2 or more races: 4.1% (6,231)
- Some other Race: 6.1% (9,237)
#9. Somerset County
- Index: 0.518
- Total population: 329,838
- White: 66.3% (218,626)
- Black or African American: 9.7% (32,147)
- American Indian and Alaska Native: 0.3% (886)
- Asian: 17.7% (58,305)
- Native Hawaiian and other Pacific Islander: 0.0% (33)
- 2 or more races: 2.3% (7,614)
- Some other Race: 3.7% (12,227)
- Total population: 329,838
- White: 66.3% (218,626)
- Black or African American: 9.7% (32,147)
- American Indian and Alaska Native: 0.3% (886)
- Asian: 17.7% (58,305)
- Native Hawaiian and other Pacific Islander: 0.0% (33)
- 2 or more races: 2.3% (7,614)
- Some other Race: 3.7% (12,227)
#8. Atlantic County
- Index: 0.533
- Total population: 266,105
- White: 65.8% (174,978)
- Black or African American: 14.6% (38,907)
- American Indian and Alaska Native: 0.4% (1,078)
- Asian: 7.9% (21,006)
- Native Hawaiian and other Pacific Islander: 0.1% (146)
- 2 or more races: 3.6% (9,674)
- Some other Race: 7.6% (20,316)
- Total population: 266,105
- White: 65.8% (174,978)
- Black or African American: 14.6% (38,907)
- American Indian and Alaska Native: 0.4% (1,078)
- Asian: 7.9% (21,006)
- Native Hawaiian and other Pacific Islander: 0.1% (146)
- 2 or more races: 3.6% (9,674)
- Some other Race: 7.6% (20,316)
#7. Passaic County
- Index: 0.547
- Total population: 503,637
- White: 64.0% (322,127)
- Black or African American: 11.2% (56,399)
- American Indian and Alaska Native: 0.3% (1,486)
- Asian: 5.2% (26,084)
- Native Hawaiian and other Pacific Islander: 0.0% (190)
- 2 or more races: 2.7% (13,609)
- Some other Race: 16.6% (83,742)
- Total population: 503,637
- White: 64.0% (322,127)
- Black or African American: 11.2% (56,399)
- American Indian and Alaska Native: 0.3% (1,486)
- Asian: 5.2% (26,084)
- Native Hawaiian and other Pacific Islander: 0.0% (190)
- 2 or more races: 2.7% (13,609)
- Some other Race: 16.6% (83,742)
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#6. Mercer County
- Index: 0.547
- Total population: 367,922
- White: 62.9% (231,533)
- Black or African American: 20.7% (76,166)
- American Indian and Alaska Native: 0.2% (629)
- Asian: 11.1% (40,882)
- Native Hawaiian and other Pacific Islander: 0.0% (138)
- 2 or more races: 2.1% (7,851)
- Some other Race: 2.9% (10,723)
- Total population: 367,922
- White: 62.9% (231,533)
- Black or African American: 20.7% (76,166)
- American Indian and Alaska Native: 0.2% (629)
- Asian: 11.1% (40,882)
- Native Hawaiian and other Pacific Islander: 0.0% (138)
- 2 or more races: 2.1% (7,851)
- Some other Race: 2.9% (10,723)
#5. Camden County
- Index: 0.548
- Total population: 506,738
- White: 63.6% (322,202)
- Black or African American: 19.3% (97,617)
- American Indian and Alaska Native: 0.2% (1,061)
- Asian: 5.7% (29,048)
- Native Hawaiian and other Pacific Islander: 0.0% (209)
- 2 or more races: 3.2% (16,064)
- Some other Race: 8.0% (40,537)
- Total population: 506,738
- White: 63.6% (322,202)
- Black or African American: 19.3% (97,617)
- American Indian and Alaska Native: 0.2% (1,061)
- Asian: 5.7% (29,048)
- Native Hawaiian and other Pacific Islander: 0.0% (209)
- 2 or more races: 3.2% (16,064)
- Some other Race: 8.0% (40,537)
#4. Middlesex County
- Index: 0.593
- Total population: 825,920
- White: 57.9% (478,174)
- Black or African American: 10.3% (85,481)
- American Indian and Alaska Native: 0.2% (1,876)
- Asian: 24.0% (198,426)
- Native Hawaiian and other Pacific Islander: 0.0% (321)
- 2 or more races: 2.9% (24,333)
- Some other Race: 4.5% (37,309)
- Total population: 825,920
- White: 57.9% (478,174)
- Black or African American: 10.3% (85,481)
- American Indian and Alaska Native: 0.2% (1,876)
- Asian: 24.0% (198,426)
- Native Hawaiian and other Pacific Islander: 0.0% (321)
- 2 or more races: 2.9% (24,333)
- Some other Race: 4.5% (37,309)
#3. Union County
- Index: 0.626
- Total population: 554,033
- White: 54.9% (304,231)
- Black or African American: 21.2% (117,292)
- American Indian and Alaska Native: 0.3% (1,672)
- Asian: 5.1% (28,328)
- Native Hawaiian and other Pacific Islander: 0.0% (91)
- 2 or more races: 2.8% (15,703)
- Some other Race: 15.7% (86,716)
- Total population: 554,033
- White: 54.9% (304,231)
- Black or African American: 21.2% (117,292)
- American Indian and Alaska Native: 0.3% (1,672)
- Asian: 5.1% (28,328)
- Native Hawaiian and other Pacific Islander: 0.0% (91)
- 2 or more races: 2.8% (15,703)
- Some other Race: 15.7% (86,716)
#2. Hudson County
- Index: 0.642
- Total population: 670,046
- White: 54.8% (366,901)
- Black or African American: 12.1% (81,275)
- American Indian and Alaska Native: 0.4% (2,648)
- Asian: 15.2% (101,912)
- Native Hawaiian and other Pacific Islander: 0.1% (598)
- 2 or more races: 3.8% (25,127)
- Some other Race: 13.7% (91,585)
- Total population: 670,046
- White: 54.8% (366,901)
- Black or African American: 12.1% (81,275)
- American Indian and Alaska Native: 0.4% (2,648)
- Asian: 15.2% (101,912)
- Native Hawaiian and other Pacific Islander: 0.1% (598)
- 2 or more races: 3.8% (25,127)
- Some other Race: 13.7% (91,585)
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#1. Essex County
- Index: 0.646
- Total population: 795,404
- White: 42.9% (341,516)
- Black or African American: 39.7% (315,997)
- American Indian and Alaska Native: 0.2% (1,796)
- Asian: 5.3% (42,406)
- Native Hawaiian and other Pacific Islander: 0.0% (247)
- 2 or more races: 2.7% (21,392)
- Some other Race: 9.1% (72,050)
- Total population: 795,404
- White: 42.9% (341,516)
- Black or African American: 39.7% (315,997)
- American Indian and Alaska Native: 0.2% (1,796)
- Asian: 5.3% (42,406)
- Native Hawaiian and other Pacific Islander: 0.0% (247)
- 2 or more races: 2.7% (21,392)
- Some other Race: 9.1% (72,050)
