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/HI/MOST-TAX-RETURNS

ZIP Codes With the Most Tax Returns Filed in Hawaii

What this measures. Number of individual income tax returns filed. A rough proxy for how many households a ZIP code contains, available where census figures are not. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Returns filed
1 96706 Ewa Beach Honolulu 36,550
2 96797 Waipahu Honolulu 35,840
3 96817 Honolulu Honolulu 26,940
4 96744 Kaneohe Honolulu 26,750
5 96789 Mililani Honolulu 26,590
6 96816 Honolulu Honolulu 25,730
7 96720 Hilo Hawaii 23,910
8 96819 Honolulu Honolulu 22,570
9 96734 Kailua Honolulu 22,220
10 96818 Honolulu Honolulu 21,470
11 96701 Aiea Honolulu 20,680
12 96822 Honolulu Honolulu 20,550
13 96707 Kapolei Honolulu 20,470
14 96792 Waianae Honolulu 19,130
15 96782 Pearl City Honolulu 18,260
16 96786 Wahiawa Honolulu 16,450
17 96793 Wailuku Maui 16,150
18 96740 Kailua Kona Hawaii 15,550
19 96825 Honolulu Honolulu 15,110
20 96826 Honolulu Honolulu 14,640
21 96815 Honolulu Honolulu 14,440
22 96813 Honolulu Honolulu 14,400
23 96814 Honolulu Honolulu 13,940
24 96753 Kihei Maui 13,480
25 96732 Kahului Maui 12,930
26 96761 Lahaina Maui 10,610
27 96821 Honolulu Honolulu 9,630
28 96766 Lihue Kauai 9,220
29 96746 Kapaa Kauai 8,970
30 96768 Makawao Maui 8,570
31 96749 Keaau Hawaii 7,040
32 96743 Kamuela Hawaii 6,280
33 96778 Pahoa Hawaii 6,040
34 96795 Waimanalo Honolulu 4,550
35 96708 Haiku Maui 4,290
36 96790 Kula Maui 4,060
37 96791 Waialua Honolulu 3,640
38 96738 Waikoloa Hawaii 3,630
39 96712 Haleiwa Honolulu 3,370
40 96756 Koloa Kauai 2,810
41 96750 Kealakekua Hawaii 2,780
42 96741 Kalaheo Kauai 2,710
43 96704 Captain Cook Hawaii 2,630
44 96762 Laie Honolulu 2,500
45 96727 Honokaa Hawaii 2,420
46 96754 Kilauea Kauai 2,050
47 96717 Hauula Honolulu 1,860
48 96748 Kaunakakai Maui 1,830
49 96771 Mountain View Hawaii 1,830
50 96779 Paia Maui 1,820

Showing the top 50 of 58 ZIP codes in Hawaii that have this figure . 96706 ranks 1st at 36,550, against 1,820 in 50th place.

Other rankings for Hawaii

Cite this page

zipcodes.pro. “ZIP Codes With the Most Tax Returns Filed in Hawaii.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/hi/most-tax-returns

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