Most diverse counties in New Jersey

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October 16, 2021
f11 photo // Shutterstock

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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Famartin // Wikimedia Commons

#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)
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Jorge Moro // Shutterstock

#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)
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#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)
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Jared Kofsky/PlaceNJ.com // Wikimedia Commons

#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)
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Famartin // Wikimedia Commons

#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)

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LittleGun // Wikimedia Commons

#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)
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Mihai_Andritoiu // Shutterstock

#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)
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Jerrye & Roy Klotz, MD // Wikimedia Commons

#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)
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Smallbones // Wikimedia Commons

#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)
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Apc106 // Wikimedia Commons

#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)

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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)
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Smallbones // Wikimedia Commons

#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)
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Zeete // Wikimedia Commons

#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)
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Bob Jagendorf // Wikicommons

#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)
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Sridhar // Wikimedia Commons

#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)

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Paul Brady Photography // Shutterstock

#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)
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#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)
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Zeete // Wikimedia Commons

#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)
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#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)
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f11 photo // Shutterstock

#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)

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Mihai_Andritoiu // Shutterstock

#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)

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