Most diverse counties in New Jersey

·Stacker

Canva
Canva

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.

You may also like: Most popular diamond shapes in the Northeast

#21. Sussex County

Famartin // Wikimedia Commons

1 / 21

#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)
#20. Cape May County

Jorge Moro // Shutterstock

2 / 21

#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)
#19. Ocean County

Canva

3 / 21

#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)
#18. Hunterdon County

Jared Kofsky/PlaceNJ.com // Wikimedia Commons

4 / 21

#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)
#17. Warren County

Famartin // Wikimedia Commons

5 / 21

#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)

You may also like: Highest-rated Class of 2026 football recruits from New Jersey

#16. Monmouth County

LittleGun // Wikimedia Commons

6 / 21

#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)
#15. Morris County

Mihai_Andritoiu // Shutterstock

7 / 21

#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)
#14. Gloucester County

Jerrye & Roy Klotz, MD // Wikimedia Commons

8 / 21

#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)
#13. Salem County

Smallbones // Wikimedia Commons

9 / 21

#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)
#12. Burlington County

Apc106 // Wikimedia Commons

10 / 21

#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)

You may also like: See how popular pumpkin spice is in New Jersey

#11. Bergen County

Canva

11 / 21

#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)
#10. Cumberland County

Smallbones // Wikimedia Commons

12 / 21

#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)
#9. Somerset County

Zeete // Wikimedia Commons

13 / 21

#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)
#8. Atlantic County

Bob Jagendorf // Wikicommons

14 / 21

#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)
#7. Passaic County

Sridhar // Wikimedia Commons

15 / 21

#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)

You may also like: Most commonly hunted migratory birds in New Jersey

#6. Mercer County

Paul Brady Photography // Shutterstock

16 / 21

#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)
#5. Camden County

Canva

17 / 21

#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)
#4. Middlesex County

Zeete // Wikimedia Commons

18 / 21

#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)
#3. Union County

Canva

19 / 21

#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)
#2. Hudson County

f11 photo // Shutterstock

20 / 21

#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)

You may also like: Counties with the highest unemployment in New Jersey

#1. Essex County

Mihai_Andritoiu // Shutterstock

21 / 21

#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)