| ZIP Codes: | 32 ZIP Codes (14 Standard, 18 PO Box, 0 Unique) [See All] |
| Area Code: | 808 |
| Timezone: | Hawaii-Aleutian (GMT -10:00) |
| Local Time: | 2:11:50 PM |
| Population: | 205,769 [See All] |
| FIPS: | 15001 |
| CBSA: | Hilo-Kailua, HI |
| Land Area: | 3,505 sq mi |
| Water Area: | 241 sq mi |
| Coordinates: | 19.7016, -155.4617 |
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205,769 residents live across 32 ZIPs covering 3,505 sq mi, served by 30 distinct USPS-recognized cities.
Population moved from 189,382 to 205,769 from 2014 to 2024 — a +8.7% change. 17 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 96760 (Kurtistown, $103,286 median) and poorest ZIP 96778 (Pahoa, $39,750) are 10.1 miles apart — a 2.6× income gap across local geography.
Median home values vary 3.8× across this county — from $233,200 in 96777 (Pahala) to $880,000 in 96725 (Holualoa).
Density varies 763× across the county — from 9 people/sq mi in 96704 (Captain Cook) to 7,069 in 96737 (Ocean View).
Educational attainment ranges from 16.2% bachelor's+ in 96737 (Ocean View) to 43.8% in 96743 (Kamuela) — the breadth of educational profiles across the area.
Within Hawaii, this is the #2 most populous of 5 counties and ranks #4 for median household income with the #1 fastest decade growth .
Weighted by population, the typical household earns about $81,696 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.4% of adults age 25+ hold a bachelor's degree or higher (47,001 of 149,578 reporting).
14 Standard delivery, 18 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 96720 | Hilo | Standard | 52,979 | $80,938 | 389.2 | 12.4% |
| 96740 | Kailua Kona | Standard | 39,338 | $95,542 | 312.8 | 11.3% |
| 96749 | Keaau | Standard | 19,132 | $85,399 | 64.9 | 7.2% |
| 96778 | Pahoa | Standard | 15,262 | $39,750 | 278.6 | 4.8% |
| 96743 | Kamuela | Standard | 12,422 | $101,468 | 506.1 | 2.0% |
| 96738 | Waikoloa | Standard | 7,862 | $80,928 | 36.8 | 11.2% |
| 96771 | Mountain View | Standard | 7,793 | $62,426 | 92.6 | 10.8% |
| 96704 | Captain Cook | Standard | 7,261 | $86,941 | 784.1 | -2.2% |
| 96725 | Holualoa | Standard | 5,009 | $93,346 | 62.5 | 22.4% |
| 96727 | Honokaa | Standard | 4,577 | $85,777 | 127.7 | -24.1% |
| 96785 | Volcano | PO Box | 4,433 | $68,463 | 115.5 | 65.8% |
| 96737 | Ocean View | PO Box | 4,380 | $45,841 | 0.6 | 10.7% |
| 96760 | Kurtistown | Standard | 4,261 | $103,286 | 11.0 | 86.3% |
| 96755 | Kapaau | PO Box | 3,677 | $96,813 | 13.3 | 24.7% |
| 96750 | Kealakekua | Standard | 3,203 | $92,576 | 11.4 | -8.9% |
| 96772 | Naalehu | PO Box | 2,470 | $48,914 | 153.2 | 7.3% |
| 96783 | Pepeekeo | Standard | 2,251 | $77,391 | 8.7 | 2.7% |
| 96781 | Papaikou | Standard | 2,073 | $96,400 | 69.8 | 16.2% |
| 96719 | Hawi | PO Box | 1,974 | $79,471 | 13.5 | -24.9% |
| 96777 | Pahala | PO Box | 1,822 | $64,643 | 125.2 | 31.8% |
| 96776 | Paauilo | PO Box | 1,355 | $93,241 | 79.7 | -6.4% |
| 96774 | Ookala | PO Box | 579 | — | 6.6 | 72.3% |
| 96764 | Laupahoehoe | PO Box | 516 | $55,769 | 76.1 | -18.7% |
| 96780 | Papaaloa | PO Box | 400 | $66,250 | 2.8 | -50.8% |
| 96728 | Honomu | PO Box | 376 | $67,500 | 3.3 | -24.2% |
| 96710 | Hakalau | PO Box | 162 | — | 4.5 | -45.6% |
| 96726 | Honaunau | PO Box | 107 | — | 0.0 | -87.6% |
| 96773 | Ninole | PO Box | 95 | $65,179 | 4.4 | -28.0% |
| 96721 | Hilo | PO Box | — | — | 0.0 | — |
| 96739 | Keauhou | PO Box | — | — | 0.0 | — |
| 96745 | Kailua Kona | PO Box | — | — | 0.0 | — |
| 96718 | Hawaii National Park | PO Box | — | — | 150.4 | — |