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About this map

Share of residents born outside the U.S. (not counting people born abroad to American parents).

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

U.S.
14.1%
Maine
4.1%
Rankings
Full list

Top and bottom zip codes in Maine

Zip codes with 1,000+ residents

Zip codes with the most foreign-born residents

See all
  1. 104101Portland14%
  2. 204756Madawaska13.2%
  3. 304240Lewiston11.5%
  4. 404103Portland11.3%
  5. 504102Portland11%
  6. 603902Cape Neddick10.8%
  7. 704785Van Buren10.8%
  8. 804106South Portland10.4%
  9. 904092Westbrook10.1%
  10. 1004619Calais8.9%

Zip codes with the fewest foreign-born residents

See all
  1. 104221Canton0%
  2. 204410Bradford0%
  3. 304441Greenville0%
  4. 404974Searsport0%
  5. 504263Leeds0.1%
  6. 604438Frankfort0.2%
  7. 704479Sangerville0.3%
  8. 804858South Thomaston0.3%
  9. 904253Livermore0.3%
  10. 1004562Phippsburg0.3%

Foreign-born residents by county in Maine

  1. 1Cumberland County6.7%
  2. 2Androscoggin County5.6%
  3. 3Aroostook County4.1%
  4. 4York County4%
  5. 5Washington County3.7%
  6. 6Penobscot County3.4%
  7. 7Hancock County3.3%
  8. 8Knox County3.1%
  9. 9Franklin County2.7%
  10. 10Sagadahoc County2.5%
  11. 11Kennebec County2.4%
  12. 12Piscataquis County2.3%
  13. 13Waldo County2.3%
  14. 14Lincoln County2.2%
  15. 15Somerset County1.5%
  16. 16Oxford County1.4%

Questions about this map

Which zip code has the highest foreign-born residents in Maine?

Among zip codes with at least 1,000 residents, 04101 (Portland, ME) has the highest: 14%.

Which zip code has the lowest foreign-born residents in Maine?

04221 (Canton, ME) has the lowest: 0%.

What is the foreign-born residents for the United States?

14.1%; in Maine it is 4.1%.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Share of residents born outside the U.S. (not counting people born abroad to American parents).

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