| ZIP Codes: | 18 ZIP Codes (10 Standard, 8 PO Box, 0 Unique) [See All] |
| Area Code: | 808 |
| Timezone: | Hawaii-Aleutian (GMT -10:00) |
| Local Time: | 2:11:50 PM |
| Population: | 164,522 [See All] |
| FIPS: | 15009 |
| CBSA: | Kahului-Wailuku, HI |
| Land Area: | 1,120 sq mi |
| Water Area: | 116 sq mi |
| Coordinates: | 20.9113, -156.5788 |
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164,522 residents live across 18 ZIPs covering 1,120 sq mi, served by 16 distinct USPS-recognized cities.
Population moved from 158,765 to 164,522 from 2014 to 2024 — a +3.6% change. 8 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 96793 (Wailuku, $107,668 median) and poorest ZIP 96713 (Hana, $54,375) are 31.2 miles apart — a 2.0× income gap across local geography.
Median home values vary 4.8× across this county — from $231,900 in 96729 (Hoolehua) to $1,105,400 in 96708 (Haiku).
Density varies 237× across the county — from 6 people/sq mi in 96713 (Hana) to 1,446 in 96732 (Kahului).
Educational attainment ranges from 15.1% bachelor's+ in 96729 (Hoolehua) to 42.4% in 96779 (Paia) — the breadth of educational profiles across the area.
Within Hawaii, this is the #3 most populous of 5 counties and ranks #3 for median household income .
Weighted by population, the typical household earns about $98,199 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.0% of adults age 25+ hold a bachelor's degree or higher (36,900 of 119,156 reporting).
10 Standard delivery, 8 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 96793 | Wailuku | Standard | 32,739 | $107,668 | 69.0 | 3.5% |
| 96753 | Kihei | Standard | 28,003 | $88,408 | 43.6 | -1.7% |
| 96732 | Kahului | Standard | 27,444 | $101,739 | 19.0 | 6.5% |
| 96761 | Lahaina | Standard | 20,952 | $101,123 | 95.2 | -4.0% |
| 96768 | Makawao | Standard | 18,569 | $100,391 | 46.4 | 5.2% |
| 96708 | Haiku | Standard | 11,152 | $100,664 | 50.5 | 14.7% |
| 96790 | Kula | Standard | 9,756 | $100,693 | 224.1 | 11.5% |
| 96748 | Kaunakakai | Standard | 5,609 | $77,422 | 124.6 | 37.3% |
| 96763 | Lanai City | PO Box | 3,443 | $92,417 | 141.1 | -2.4% |
| 96779 | Paia | Standard | 2,780 | $98,929 | 12.7 | -2.6% |
| 96729 | Hoolehua | PO Box | 1,670 | $59,375 | 63.0 | 25.8% |
| 96713 | Hana | Standard | 1,023 | $54,375 | 167.8 | -38.8% |
| 96757 | Kualapuu | PO Box | 881 | $74,432 | 8.5 | 20.0% |
| 96770 | Maunaloa | PO Box | 501 | $54,792 | 54.6 | -32.1% |
| 96767 | Lahaina | PO Box | — | — | 0.0 | — |
| 96788 | Pukalani | PO Box | — | — | 0.0 | — |
| 96784 | Puunene | PO Box | — | — | 0.0 | — |
| 96733 | Kahului | PO Box | — | — | 0.0 | — |