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/NH/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in New Hampshire

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 03750 Etna Grafton $500,675
2 03049 Hollis Hillsborough $309,298
3 03768 Lyme Grafton $253,631
4 03870 Rye Rockingham $253,570
5 03755 Hanover Grafton $250,770
6 03862 North Hampton Rockingham $239,163
7 03087 Windham Rockingham $213,741
8 03782 Sunapee Sullivan $201,610
9 03110 Bedford Hillsborough $199,548
10 03257 New London Merrimack $198,360
11 03853 Mirror Lake Carroll $195,918
12 03844 Hampton Falls Rockingham $187,070
13 03801 Portsmouth Rockingham $179,647
14 03226 Center Harbor Belknap $178,963
15 03856 Newfields Rockingham $174,778
16 03254 Moultonborough Carroll $172,821
17 03840 Greenland Rockingham $167,468
18 03251 Lincoln Grafton $166,431
19 03580 Franconia Grafton $165,251
20 03031 Amherst Hillsborough $164,991
21 03885 Stratham Rockingham $160,748
22 03233 Elkins Merrimack $153,440
23 03824 Durham Strafford $153,016
24 03846 Jackson Carroll $151,552
25 03255 Newbury Merrimack $151,326
26 03894 Wolfeboro Carroll $147,239
27 03753 Grantham Sullivan $147,109
28 03057 Mont Vernon Hillsborough $146,957
29 03810 Alton Bay Belknap $146,412
30 03229 Contoocook Merrimack $144,699
31 03823 Madbury Strafford $144,620
32 03304 Bow Merrimack $140,048
33 03586 Sugar Hill Grafton $139,697
34 03842 Hampton Rockingham $139,486
35 03249 Gilford Belknap $137,565
36 03770 Meriden Sullivan $137,451
37 03449 Hancock Hillsborough $134,950
38 03032 Auburn Rockingham $134,436
39 03833 Exeter Rockingham $132,352
40 03033 Brookline Hillsborough $129,213
41 03811 Atkinson Rockingham $128,859
42 03444 Dublin Cheshire $126,793
43 03462 Spofford Cheshire $124,253
44 03245 Holderness Grafton $123,978
45 03079 Salem Rockingham $123,334
46 03827 East Kingston Rockingham $122,873
47 03253 Meredith Belknap $121,968
48 03458 Peterborough Hillsborough $121,091
49 03227 Center Sandwich Carroll $120,880
50 03076 Pelham Hillsborough $119,492

Showing the top 50 of 225 ZIP codes in New Hampshire that have this figure and meet the threshold above. 03750 ranks 1st at $500,675, against $119,492 in 50th place.

Other rankings for New Hampshire

Cite this page

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

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