Iowa Census Data Comparison Tool

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Ranking Counties by Diversity Index (last updated July 1, 2023)

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 77.6
2. Crawford County 72.8
3. Marshall County 65.7
4. Woodbury County 64.2
5. Muscatine County 56.6
6. Wright County 55.4
7. Polk County 53.3
8. Louisa County 53.1
9. Wapello County 53.0
10. Franklin County 51.1
11. Tama County 50.1
12. Clarke County 49.8
13. Johnson County 49.0
14. Scott County 46.4
15. Sioux County 46.0
16. Black Hawk County 45.8
17. Story County 40.2
18. Hamilton County 39.5
19. Dallas County 38.3
20. Linn County 38.1

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Iowa Census Data Comparison Tool

Compare Iowa July 1, 2023 Data
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