These Are The 10 Most Diverse States In America For 2019


We used science and data to determine which States have the most racial diversity.

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Map Of The Most Diverse States In America

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If you were to draw a line down the middle of the contiguous United States, you’d find a surprising difference in the diversity of the populous.

So, we did draw that line, determine the diversity of every state in America, and came out surprised.

Here’s a look:
Graph Of The Most Diverse States In America

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The Southern States of the Union are, with some exceptions, a lot more diverse than the Northern States. The single most diverse state? That would be Hawaii, followed in a distant second by California.

Using the Herfindahl-Hirschman Index (HHI), a standard measure of inequality, we ranked each state from most diverse to least diverse.

Here’s a look at the ten most diverse states in America for 2019:

  1. Hawaii (Photos)
  2. California (Photos)
  3. Nevada (Photos)
  4. Texas (Photos)
  5. Maryland (Photos)
  6. New York (Photos)
  7. New Jersey (Photos)
  8. New Mexico (Photos)
  9. Florida (Photos)
  10. Georgia (Photos)

And the least diverse:

  1. Maine (Photos)
  2. Vermont (Photos)
  3. West Virginia (Photos)
  4. New Hampshire (Photos)
  5. Montana (Photos)
  6. Iowa (Photos)
  7. North Dakota (Photos)
  8. Kentucky (Photos)
  9. Wyoming (Photos)
  10. Idaho (Photos)

We found it interesting that Texas is such a staunchly Republican state given its level of diversity. Its diversity is a major reason why many pundits believe Texas will soon go blue.

But enough about politics, let’s take a dive into the science behind the maps and graphs.

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How We Determined The Most Diverse States In America For 2019?

We decided to look at racial diversity across America using the most recently available data — the 2013-2017 American Community Survey data from the US Census. Specifically, we looked at table B03002: HISPANIC OR LATINO ORIGIN BY RACE. Here are the actual categories as defined by the Census:

  • White alone*
  • Black or African American alone*
  • American Indian and Alaska Native alone*
  • Asian alone*
  • Native Hawaiian and Other Pacific Islander alone*
  • Some other race alone*
  • Two or more races*
  • Hispanic or Latino
* Not hispanic or latino

We then calculated the HHI for each state by taking the percent of each of the above for the state, squaring them, and then adding it together. This left us with scores ranging from 2429 (Hawaii) to 8822 (Maine).

Finally, we ranked each state based on the HHI with a lower score being more diverse than a high score. Hawaii took the distinction of being the most diverse, while Maine was the least diverse state in America.

1. Hawaii

Hawaii|Hi, HI

Source: Public domain

Population Now: 1,421,658
HHI: 2,432

2. California

California|Ca, CA

Population Now: 38,982,847
HHI: 3,172

3. Nevada

Nevada|Nv, NV

Population Now: 2,887,725
HHI: 3,487

4. Texas

Texas|Tx, TX

Population Now: 27,419,612
HHI: 3,512

5. Maryland

Maryland|Md, MD

Population Now: 5,996,079
HHI: 3,681

6. New York

New-York|Ny, NY

Population Now: 19,798,228
HHI: 3,759

7. New Jersey

New-Jersey|Nj, NJ

Population Now: 8,960,161
HHI: 3,782

8. New Mexico

New-Mexico|Nm, NM

Source: Public domain

Population Now: 2,084,828
HHI: 3,859

9. Florida

Florida|Fl, FL

Population Now: 20,278,447
HHI: 3,869

10. Georgia

Georgia|Ga, GA

Population Now: 10,201,635
HHI: 3,932

There You Have It — The Most Diverse States For 2019

After measuring the HHI of every state, these states came out on top with Hawaii as being the state that is the most diverse.

For more reading, check out:

Detailed List Of The Most Diverse States In America For 2019

Rank State HHI
1 Hawaii 2,432
2 California 3,172
3 Nevada 3,487
4 Texas 3,512
5 Maryland 3,681
6 New York 3,759
7 New Jersey 3,782
8 New Mexico 3,859
9 Florida 3,869
10 Georgia 3,932
11 Arizona 4,091
12 Alaska 4,125
13 Illinois 4,340
14 Virginia 4,403
15 Delaware 4,530
16 Louisiana 4,534
17 North Carolina 4,593
18 Mississippi 4,663
19 Oklahoma 4,672
20 South Carolina 4,828
21 Connecticut 4,984
22 Alabama 5,065
23 Washington 5,115
24 Colorado 5,195
25 Massachusetts 5,534
26 Rhode Island 5,621
27 Arkansas 5,624
28 Tennessee 5,824
29 Michigan 5,925
30 Kansas 6,026
31 Oregon 6,048
32 Pennsylvania 6,141
33 Utah 6,439
34 Ohio 6,508
35 Indiana 6,509
36 Nebraska 6,514
37 Missouri 6,527
38 Minnesota 6,612
39 Wisconsin 6,786
40 South Dakota 6,927
41 Idaho 6,970
42 Wyoming 7,210
43 Kentucky 7,318
44 North Dakota 7,391
45 Iowa 7,534
46 Montana 7,559
47 New Hampshire 8,291
48 West Virginia 8,531
49 Vermont 8,703
50 Maine 8,767

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