Oldest ZIP codes in Hawaii County, HI

These are the 21 ZIP codes in Hawaii County with the highest median age, out of 21 with at least 1,000 residents. 96785 (Volcano, 56.4), 96737 (Ocean View, 54.1) and 96772 (Naalehu, 51.4) lead the list. There is no single "best" ZIP code in Hawaii County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Hawaii County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
196785Volcano56.4 ±6.14,4332,105—
296737Ocean View54.1 ±12.14,3801,873—
396772Naalehu51.4 ±6.12,4701,045—
496704Captain Cook48.8 ±3.07,2612,4471,799
596781Papaikou48.8 ±6.32,073734—
696743Kamuela48.6 ±4.612,4224,891—
796778Pahoa47.5 ±5.815,2626,3034,868
896755Kapaau45.5 ±6.93,6771,165—
996749Keaau44.9 ±4.119,1326,992—
1096719Hawi44.6 ±3.41,974711—
1196740Kailua Kona44.3 ±2.539,33813,92514,741
1296727Honokaa43.9 ±5.64,5771,381—
1396725Holualoa43.0 ±4.95,0091,535—
1496720Hilo42.8 ±1.252,97918,52018,145
1596750Kealakekua42.3 ±12.63,203980533
1696738Waikoloa40.3 ±5.77,8622,7033,214
1796771Mountain View39.4 ±4.97,7932,917—
1896776Paauilo39.3 ±3.01,355516—
1996760Kurtistown37.6 ±10.84,2611,3833
2096783Pepeekeo33.8 ±4.72,251600—
2196777Pahala33.4 ±16.31,822492—

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 21 of 28 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 8,204 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 96785 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Hawaii County has the highest median age?
96785 (Volcano), at 56.4 (±6.1), among 21 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?
ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.