Kahuku, HI · standard
ZIP Code 96731
Honolulu County, Hawaii — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,292
- 66/sq mi
- $73,417
- Median income
- $916,700
- Median home value
- 38.3%
- Bachelor's or higher
The verdict
Kahuku pairs an above-median household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 48%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 66
- people per sq mi
- 63%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 96731 against every reporting US ZIP.
ZIP code 96731 is classified by USPS as a standard delivery area and covers roughly 50.3 square miles in Kahuku, Honolulu County, Hawaii. The area is home to 3,292 residents, producing a population density of 66 people per square mile, and falls within the Pacific/Honolulu time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 96731 against Hawaii and the nation.
On the economic side, the median household income for ZIP 96731 sits at $73,417 (21% below the Hawaii average), while per-capita income is $35,455. The poverty rate stands at 8.4% and the unemployment rate at 5.9%. On housing, the median home value is $916,700 (18% above the state average) with median rent at $1,422 per month, and 62.7% of occupied units are owner-occupied, a direct signal of whether 96731 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 38.3% of adults hold a bachelor's degree or higher, the median age is 33.2, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Honolulu County, so you can benchmark 96731 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 96731
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 96731.
- Accommodation and food services
Accommodation and food services
21 establishments
- Real estate and rental and leasing 7
Real estate and rental and leasing
7 establishments
- Health care and social assistance 6
Health care and social assistance
6 establishments
- Retail trade 4
Retail trade
4 establishments
- Other services (except public administration) 4
Other services (except public administration)
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 96731, Kahuku, HI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
3,292
Population
50.3
Area (sq mi)
66
People / sq mi
Pacific/Honolulu
Time Zone
standard
ZIP Type
Who lives in ZIP 96731?
33.2
Median Age
47.3%
Male
52.7%
Female
13.1%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$73,417
Median Household Income
-21% vs state
$35,455
Per Capita Income
8.4%
Poverty Rate
5.9%
Unemployment Rate
How ZIP 96731 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$73,417 Top 48% higher than 52% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
1,294
Total Housing Units
801
Occupied Units
493
Vacant Units
3.46
Avg Household Size
Occupancy Type
$916,700
Median Home Value
+18% vs state
$1,422
Median Rent
1978
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 60 business establishments in ZIP 96731, employing approximately 1,414 people with a combined annual payroll of $70,255,000.
60
Businesses
1,414
Employees
$70.3M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 21 | 35.0% |
| Real estate and rental and leasing | 7 | 11.7% |
| Health care and social assistance | 6 | 10.0% |
| Retail trade | 4 | 6.7% |
| Other services (except public administration) | 4 | 6.7% |
| Construction | 3 | 5.0% |
| Professional, scientific, and technical services | 3 | 5.0% |
| Administrative and support and waste management and remediation services | 3 | 5.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 96731 vs 96762 →
ZIP 96731 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 96786
Wahiawa (96786)
40,859 residents
- 96712 7,352
Haleiwa (96712)
7,352 residents
- 96762 6,419
Laie (96762)
6,419 residents
- 96717 5,555
Hauula (96717)
5,555 residents
- 96731 3,292
Kahuku (96731)
3,292 residents
- 96730 1,541
Kaaawa (96730)
1,541 residents
What this shows Among its immediate neighbors, ZIP 96731 ranks #5 by population — useful context the national average alone can't give.
ZIP 96731 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 96730
Kaaawa (96730)
$126,563 median income
- 96762
Laie (96762)
$125,645 median income
- 96717
Hauula (96717)
$102,978 median income
- 96712
Haleiwa (96712)
$88,333 median income
- 96786
Wahiawa (96786)
$85,554 median income
- 96731
Kahuku (96731)
$73,417 median income
What this shows By household income, ZIP 96731 ranks #6 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Honolulu County
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Frequently Asked Questions
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What is the demographic makeup of ZIP 96731? ▼
How many businesses are in ZIP code 96731? ▼
What are the main industries in ZIP code 96731? ▼
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ZIP Code Research Guides
Official Data Resources for Kahuku, HI
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.