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About this map

The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
61.4
Delaware
60
Rankings
Full list

Top and bottom zip codes in Delaware

Zip codes with 1,000+ residents

Most diverse zip codes

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  1. 119702Newark72.5
  2. 219805Wilmington69.4
  3. 319703Claymont68.1
  4. 419720New Castle67.8
  5. 519901Dover66.6
  6. 619713Newark66.5
  7. 719701Bear65.9
  8. 819941Ellendale65.2
  9. 919904Dover64.6
  10. 1019933Bridgeville63.5

Least diverse zip codes

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  1. 119964Marydel11.3
  2. 219951Harbeson15.2
  3. 319970Ocean View15.4
  4. 419967Millville19.7
  5. 519939Dagsboro21.1
  6. 619930Bethany Beach21.5
  7. 719958Lewes23.3
  8. 819971Rehoboth Beach23.9
  9. 919975Selbyville31.1
  10. 1019952Harrington32.2

Diversity index by county in Delaware

  1. 1New Castle County64.5
  2. 2Kent County60
  3. 3Sussex County45.2

Questions about this map

Which zip code has the highest diversity index in Delaware?

Among zip codes with at least 1,000 residents, 19702 (Newark, DE) has the highest: 72.5.

Which zip code has the lowest diversity index in Delaware?

19964 (Marydel, DE) has the lowest: 11.3.

What is the diversity index for the United States?

61.4; in Delaware it is 60.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61.

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