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/YOUNGEST

ZIP Codes With the Youngest Population in Hawaii

What this measures. Median age of residents, lowest first. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 96863 Mcbh Kaneohe Bay Honolulu 21.9
2 96853 Jbphh Honolulu 22.0
3 96857 Schofield Barracks Honolulu 22.2
4 96858 Fort Shafter Honolulu 22.4
5 96860 Jbphh Honolulu 22.7
6 96762 Laie Honolulu 23.3
7 96848 Honolulu Honolulu 23.7
8 96786 Wahiawa Honolulu 28.7
9 96769 Makaweli Kauai 28.8
10 96757 Kualapuu Maui 29.1
11 96731 Kahuku Honolulu 33.2
12 96777 Pahala Hawaii 33.4
13 96783 Pepeekeo Hawaii 33.8
14 96818 Honolulu Honolulu 33.9
15 96706 Ewa Beach Honolulu 34.1
16 96717 Hauula Honolulu 34.6
17 96765 Lawai Kauai 34.8
18 96792 Waianae Honolulu 35.4
19 96707 Kapolei Honolulu 36.2
20 96760 Kurtistown Hawaii 37.6
21 96779 Paia Maui 37.6
22 96774 Ookala Hawaii 38.3
23 96734 Kailua Honolulu 38.4
24 96729 Hoolehua Maui 39.2
25 96776 Paauilo Hawaii 39.3
26 96771 Mountain View Hawaii 39.4
27 96795 Waimanalo Honolulu 39.4
28 96742 Kalaupapa Kalawao 39.5
29 96703 Anahola Kauai 39.6
30 96705 Eleele Kauai 39.6
31 96716 Hanapepe Kauai 39.9
32 96819 Honolulu Honolulu 40.1
33 96766 Lihue Kauai 40.2
34 96738 Waikoloa Hawaii 40.3
35 96748 Kaunakakai Maui 40.3
36 96712 Haleiwa Honolulu 40.6
37 96730 Kaaawa Honolulu 41.0
38 96793 Wailuku Maui 41.0
39 96714 Hanalei Kauai 41.2
40 96752 Kekaha Kauai 41.4
41 96708 Haiku Maui 41.6
42 96797 Waipahu Honolulu 42.0
43 96756 Koloa Kauai 42.1
44 96789 Mililani Honolulu 42.1
45 96750 Kealakekua Hawaii 42.3
46 96726 Honaunau Hawaii 42.7
47 96763 Lanai City Maui 42.7
48 96720 Hilo Hawaii 42.8
49 96813 Honolulu Honolulu 42.8
50 96822 Honolulu Honolulu 42.8

Showing the top 50 of 92 ZIP codes in Hawaii that have this figure . 96863 ranks 1st at 21.9, against 42.8 in 50th place.

Other rankings for Hawaii

Cite this page

zipcodes.pro. “ZIP Codes With the Youngest Population in Hawaii.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/hi/youngest

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