Oregon Census Data Comparison Tool

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Ranking Counties by Diversity Index (last updated July 1, 2024)

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 77.8
2. Umatilla County 73.2
3. Malheur County 72.7
4. Marion County 72.7
5. Hood River County 72.0
6. Washington County 70.8
7. Jefferson County 69.9
8. Multnomah County 64.4
9. Wasco County 62.9
10. Yamhill County 57.8
11. Polk County 54.6
12. Klamath County 53.3
13. Jackson County 53.2
14. Clackamas County 49.6
15. Benton County 49.3
16. Lane County 47.9
17. Lincoln County 47.3
18. Lake County 46.3
19. Tillamook County 46.0
20. Linn County 44.0

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Oregon Census Data Comparison Tool

Compare Oregon July 1, 2024 Data
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