Oregon Census Data Comparison Tool

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Ranking Counties by Diversity Index (last updated July 1, 2021)

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. Morrow County 72.7
2. Malheur County 69.7
3. Jefferson County 67.5
4. Marion County 67.0
5. Umatilla County 66.1
6. Hood River County 63.4
7. Washington County 63.4
8. Multnomah County 57.4
9. Wasco County 53.1
10. Yamhill County 50.1
11. Klamath County 48.8
12. Polk County 48.7
13. Jackson County 44.6
14. Benton County 40.9
15. Lane County 40.4
16. Clackamas County 40.4
17. Lincoln County 40.1
18. Linn County 36.6
19. Tillamook County 36.4
20. Lake County 36.4

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Oregon Census Data Comparison Tool

Compare Oregon July 1, 2021 Data
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