U.S. cities ranked by Simpson's Diversity Index. The most racially diverse cities and the least diverse cities with populations above 20,000.
| # | City | Population | Diversity Index |
|---|---|---|---|
| 1 | Tukwila, WA | 21,479 | 0.732 |
| 2 | Lorton, VA | 21,961 | 0.729 |
| 3 | Federal Way, WA | 99,232 | 0.728 |
| 4 | SeaTac, WA | 31,143 | 0.727 |
| 5 | Duluth, GA | 31,958 | 0.724 |
| 6 | Kent, WA | 135,015 | 0.723 |
| 7 | North Laurel, MD | 25,201 | 0.723 |
| 8 | Valley Stream, NY | 40,278 | 0.718 |
| 9 | Brooklyn Center, MN | 32,811 | 0.717 |
| 10 | Makakilo, HI | 20,372 | 0.717 |
| 11 | Brooklyn Park, MN | 84,349 | 0.716 |
| 12 | Germantown, MD | 90,521 | 0.715 |
| 13 | Kailua, HI | 21,851 | 0.712 |
| 14 | Jersey City, NJ | 289,691 | 0.711 |
| 15 | Hilo, HI | 48,223 | 0.711 |
| 16 | Kapolei, HI | 23,033 | 0.709 |
| 17 | Elk Grove, CA | 177,221 | 0.708 |
| 18 | McNair, VA | 22,451 | 0.707 |
| 19 | Vallejo, CA | 124,637 | 0.707 |
| 20 | Brockton, MA | 105,080 | 0.704 |
| 21 | Elkridge, MD | 26,183 | 0.703 |
| 22 | Oakland, CA | 438,072 | 0.703 |
| 23 | Hercules, CA | 26,245 | 0.702 |
| 24 | Springfield, VA | 30,894 | 0.701 |
| 25 | Suisun City, CA | 29,205 | 0.699 |
| # | City | Population | Diversity Index |
|---|---|---|---|
| 1 | San Juan, TX | 35,674 | 0.000 |
| 2 | Santa Paula, CA | 31,202 | 0.000 |
| 3 | East Los Angeles, CA | 114,617 | 0.000 |
| 4 | Florence-Graham, CA | 61,723 | 0.000 |
| 5 | Weslaco, TX | 41,437 | 0.000 |
| 6 | Imperial, CA | 20,943 | 0.000 |
| 7 | Coral Terrace, FL | 24,051 | 0.000 |
| 8 | Country Club, FL | 51,000 | 0.000 |
| 9 | Huntington Park, CA | 53,658 | 0.000 |
| 10 | Socorro, TX | 36,237 | 0.000 |
| 11 | Bloomington, CA | 24,324 | 0.000 |
| 12 | Watsonville, CA | 51,968 | 0.000 |
| 13 | Wasco, CA | 26,222 | 0.000 |
| 14 | Lawrence, MA | 88,297 | 0.000 |
| 15 | Miami Lakes, FL | 30,731 | 0.000 |
| 16 | Fountainebleau, FL | 56,453 | 0.000 |
| 17 | San Fernando, CA | 23,716 | 0.000 |
| 18 | Lynwood, CA | 65,291 | 0.000 |
| 19 | San Benito, TX | 24,677 | 0.000 |
| 20 | Rio Rico, AZ | 21,798 | 0.000 |
| 21 | Kendale Lakes, FL | 52,141 | 0.000 |
| 22 | Kendall West, FL | 35,492 | 0.000 |
| 23 | Lennox, CA | 20,289 | 0.000 |
| 24 | Maywood, CA | 24,593 | 0.000 |
| 25 | El Centro, CA | 44,186 | 0.000 |
Tukwila, WA ranks #1 for most diverse among U.S. cities with populations over 20,000, with a value of 0.732. Rounding out the top cities are Lorton, VA, Federal Way, WA, SeaTac, WA. On the other end, San Juan, TX has the least diverse value at 0.000. This ranking includes only cities with populations above 20,000. Data sourced from U.S. Census Bureau ACS.