ZIP Codes of Kauai County, HI

Population & People
Population & People
Total Population
73,731
Household Income
Household Income
Median Income
$97,930
Housing
Housing
Total Housing Units
30,471
Business & Economy
Business & Economy
Total Businesses
2,272
Employment
Employment
Employment Rate
61.50%
Education
Education
Bachelor's Degree+
30.09%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 17 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:17 ZIP Codes (6 Standard, 11 PO Box, 0 Unique) [See All]
Area Code:808
Timezone:Hawaii-Aleutian (GMT -10:00)
Local Time:2:11:50 PM
Population:73,731 [See All]
FIPS:15007
CBSA:Kapaa, HI
Land Area:613 sq mi
Water Area:33 sq mi
Coordinates:22.0224, -159.5291
Quick Link:
https://www.zip-codes.com/county/hi-kauai.asp
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Among America's 50 most Hispanic-majority counties
7.7% Hispanic or Latino — #4 nationwide.

Standout ZIPs in this County


Most Populous
Kapaa · 19,329 people
26.2% of county total
Highest Income
Hanalei · $132,448 median
1.4× county average
Largest Land Area
Kalaheo · 149.0 sq mi
Spans the most ground
Fastest Growth
Anahola · 41.0% (10-yr)
2,388 → 3,366 residents
Most Educated
Princeville · 53.4% bachelor's+
1,015 of 1,899 adults 25+

Things worth knowing about Kauai County


73,731 residents live across 17 ZIPs covering 613 sq mi, served by 17 distinct USPS-recognized cities.

Population moved from 68,745 to 73,731 from 2014 to 2024 — a +7.3% change. 9 ZIPs gained residents, 7 lost.

The county's wealthiest ZIP 96714 (Hanalei, $132,448 median) and poorest ZIP 96746 (Kapaa, $88,802) are 10.4 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.7× across this county — from $537,600 in 96703 (Anahola) to $1,431,600 in 96722 (Princeville).

Density varies 147× across the county — from 20 people/sq mi in 96714 (Hanalei) to 3,000 in 96765 (Lawai).

Educational attainment ranges from 9.5% bachelor's+ in 96747 (Kaumakani) to 53.4% in 96722 (Princeville) — the breadth of educational profiles across the area.

Within Hawaii, this is the #4 most populous of 5 counties and ranks #2 for median household income with the #2 fastest decade growth .

Weighted by population, the typical household earns about $97,943 across the county — reflecting what a typical resident sees, not a simple ZIP average.

30.1% of adults age 25+ hold a bachelor's degree or higher (16,064 of 53,395 reporting).

6 Standard delivery, 11 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Kauai County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
96746KapaaStandard19,329$88,80263.93.5%
96766LihueStandard17,526$100,67862.65.9%
96756KoloaStandard6,448$99,27419.813.3%
96741KalaheoStandard6,183$110,873149.014.0%
96754KilaueaStandard4,272$90,35330.1-2.0%
96752KekahaPO Box3,809$90,17422.729.9%
96703AnaholaPO Box3,366$98,2143.941.0%
96716HanapepePO Box2,650$105,0003.51.5%
96705EleelePO Box2,522$118,4382.1-3.9%
96722PrincevilleStandard2,377$100,93827.0-11.6%
96796WaimeaPO Box1,840$89,20566.8-3.1%
96714HanaleiPO Box1,592$132,44878.194.6%
96747KaumakaniPO Box1,012$95,6259.60.5%
96765LawaiPO Box513$102,6790.2-11.6%
96769MakaweliPO Box292$46,25071.8-19.1%
96751KealiaPO Box02.4-100.0%
96715HanamauluPO Box0.0

Adjacent & Nearby Counties