Iowa Census Data Comparison Tool

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Ranking Counties by Diversity Index (last updated July 1, 2020)

There are 20 records sorted in descending order.

The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


County Diversity Index
1. Buena Vista County 68.2
2. Crawford County 64.9
3. Woodbury County 56.6
4. Marshall County 54.9
5. Muscatine County 50.2
6. Polk County 45.1
7. Tama County 44.6
8. Louisa County 44.1
9. Johnson County 43.5
10. Scott County 40.6
11. Clarke County 38.9
12. Black Hawk County 38.6
13. Jefferson County 38.3
14. Wapello County 37.0
15. Wright County 35.3
16. Franklin County 35.2
17. Dallas County 34.9
18. Emmet County 34.5
19. Sioux County 34.5
20. Story County 34.0

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Iowa Census Data Comparison Tool

Compare Iowa July 1, 2020 Data
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