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About this map

Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s.

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

U.S.
38.9
Delaware
41.6
Rankings
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Top and bottom zip codes in Delaware

Zip codes with 1,000+ residents

Oldest zip codes (highest median age)

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  1. 119930Bethany Beach67.2
  2. 219967Millville64.9
  3. 319970Ocean View63.9
  4. 419958Lewes62.1
  5. 519971Rehoboth Beach61.7
  6. 619975Selbyville59.6
  7. 719945Frankford58.9
  8. 819939Dagsboro57.9
  9. 919951Harbeson54.1
  10. 1019807Wilmington54

Youngest zip codes (lowest median age)

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  1. 119717Newark19.3
  2. 219953Hartly33.6
  3. 319901Dover33.6
  4. 419941Ellendale34.4
  5. 519711Newark34.7
  6. 619801Wilmington35.3
  7. 719805Wilmington35.5
  8. 819952Harrington36.4
  9. 919802Wilmington36.8
  10. 1019702Newark37.2

Median age by county in Delaware

  1. 1Sussex County51.9
  2. 2New Castle County39.3
  3. 3Kent County38.8

Questions about this map

Which zip code has the highest median age in Delaware?

Among zip codes with at least 1,000 residents, 19930 (Bethany Beach, DE) has the highest: 67.2.

Which zip code has the lowest median age in Delaware?

19717 (Newark, DE) has the lowest: 19.3.

What is the median age for the United States?

38.9; in Delaware it is 41.6.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s.

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