Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/ME/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in Maine

What this measures. Total adjusted gross income divided by the number of tax returns filed. This is income per RETURN, not per person or per household — a return can be a single filer or a married couple. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Average AGI per return
1 04110 Cumberland Foreside Cumberland $300,096
2 04105 Falmouth Cumberland $205,532
3 04107 Cape Elizabeth Cumberland $201,193
4 04096 Yarmouth Cumberland $172,137
5 04021 Cumberland Center Cumberland $156,029
6 04017 Chebeague Island Cumberland $140,691
7 03905 Kittery Point York $136,579
8 04097 North Yarmouth Cumberland $133,175
9 04568 South Bristol Lincoln $131,084
10 04074 Scarborough Cumberland $128,988
11 04032 Freeport Cumberland $128,026
12 03902 Cape Neddick York $125,864
13 03907 Ogunquit York $125,369
14 04421 Castine Hancock $124,680
15 04046 Kennebunkport York $119,235
16 03909 York York $119,212
17 04079 Harpswell Cumberland $117,093
18 04544 East Boothbay Lincoln $114,618
19 04918 Belgrade Lakes Kennebec $111,971
20 04069 Pownal Cumberland $111,345
21 04856 Rockport Knox $109,252
22 04843 Camden Knox $108,198
23 04108 Peaks Island Cumberland $106,586
24 04564 Round Pond Lincoln $106,536
25 04043 Kennebunk York $106,326
26 04660 Mount Desert Hancock $106,237
27 04066 Orrs Island Cumberland $105,476
28 04351 Manchester Kennebec $105,326
29 04848 Islesboro Waldo $104,997
30 03903 Eliot York $101,256
31 04444 Hampden Penobscot $100,954
32 04548 Georgetown Sagadahoc $100,226
33 04003 Bailey Island Cumberland $100,155
34 04947 Kingfield Franklin $97,374
35 04071 Raymond Cumberland $95,770
36 04038 Gorham Cumberland $95,570
37 04859 Spruce Head Knox $95,313
38 04554 New Harbor Lincoln $95,204
39 04576 Southport Lincoln $94,881
40 04429 Holden Hancock $94,309
41 03904 Kittery York $93,143
42 04090 Wells York $92,151
43 04609 Bar Harbor Hancock $91,260
44 04551 Bremen Lincoln $90,910
45 04222 Durham Androscoggin $90,232
46 04101 Portland Cumberland $90,184
47 04282 Turner Androscoggin $89,255
48 04011 Brunswick Cumberland $88,840
49 04102 Portland Cumberland $88,521
50 04103 Portland Cumberland $88,492

Showing the top 50 of 348 ZIP codes in Maine that have this figure and meet the threshold above. 04110 ranks 1st at $300,096, against $88,492 in 50th place.

Other rankings for Maine

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Average Income in Maine.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/me/highest-average-income

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