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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
Maine
44.8
Rankings
Full list

Top and bottom zip codes in Maine

Zip codes with 1,000+ residents

Oldest zip codes (highest median age)

See all
  1. 104863Vinalhaven65.1
  2. 204538Boothbay Harbor64.4
  3. 304970Rangeley63.8
  4. 404079Harpswell63.1
  5. 503907Ogunquit62.8
  6. 604110Cumberland Foreside62.5
  7. 704631Eastport61.4
  8. 804441Greenville61.3
  9. 904652Lubec59.4
  10. 1004414Brownville59

Youngest zip codes (lowest median age)

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  1. 104469Orono19.6
  2. 204421Castine21.2
  3. 304473Orono26
  4. 404988Unity27.8
  5. 504986Thorndike33
  6. 604061North Waterboro35.3
  7. 704101Portland35.8
  8. 804005Biddeford35.8
  9. 904348Jefferson36.5
  10. 1004254Livermore Falls36.7

Median age by county in Maine

  1. 1Piscataquis County51.5
  2. 2Lincoln County51.4
  3. 3Knox County49.5
  4. 4Hancock County49
  5. 5Washington County48.6
  6. 6Aroostook County48.3
  7. 7Oxford County48.2
  8. 8Waldo County47.4
  9. 9Sagadahoc County47.3
  10. 10Somerset County47
  11. 11Franklin County46.1
  12. 12York County45.3
  13. 13Kennebec County43.7
  14. 14Penobscot County42.5
  15. 15Cumberland County42.2
  16. 16Androscoggin County40.5

Questions about this map

Which zip code has the highest median age in Maine?

Among zip codes with at least 1,000 residents, 04863 (Vinalhaven, ME) has the highest: 65.1.

Which zip code has the lowest median age in Maine?

04469 (Orono, ME) has the lowest: 19.6.

What is the median age for the United States?

38.9; in Maine it is 44.8.

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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