Kapolei, Hawaii Demographics & Population 2026
During the 2020–2024 ACS period, Kapolei, Hawaii had a total population of 22,232, the 11th largest community in Hawaii, with a median household income of $128,324, which is 28% higher than the state average. The poverty rate is 6.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- One of the most racially diverse communities in Hawaii (diversity index: 78/100).
Kapolei Quick Facts
How Kapolei Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 23,033 | 22,232 | -3.5% |
| Median household income | $129,260 | $128,324 | -0.7% |
| Median home value | $720,600 | $744,200 | +3.3% |
How Kapolei Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
This community is exceptionally diverse, with no single racial or ethnic group dominating the population.
State average: 76 | National average: 61
Education
Educational Attainment (Adults 25+)
Kapolei Rankings in Hawaii
Explore Hawaii Rankings
Other Cities in Honolulu County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Urban Honolulu | 345,482 | $86,504 | 11.9% | $843,400 |
| East Honolulu | 51,360 | $159,518 | 5.3% | $1,212,000 |
| Pearl City | 44,547 | $118,112 | 5.8% | $901,500 |
| Waipahu | 40,482 | $103,895 | 12.0% | $868,600 |
| Kailua (Honolulu County) | 39,640 | $148,582 | 4.0% | $1,353,700 |
| Kaneohe | 37,355 | $125,613 | 9.7% | $1,029,700 |
| Mililani Town | 27,668 | $127,363 | 3.2% | $923,900 |
| Ewa Gentry | 26,563 | $135,684 | 2.9% | $816,000 |
| Mililani Mauka | 21,278 | $138,942 | 3.3% | $988,100 |
| Makakilo | 20,735 | $118,550 | 9.2% | $867,200 |
Cities Similar to Kapolei
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Mililani Mauka | 21,278 | $138,942 | $988,100 | 51.5% | 3.3% |
| Makakilo | 20,735 | $118,550 | $867,200 | 36.4% | 9.2% |
| Ewa Gentry | 26,563 | $135,684 | $816,000 | 30.5% | 2.9% |
| Kailua (Hawaii County) | 21,818 | $88,211 | $667,400 | 33.6% | 14.3% |
| Kihei | 21,567 | $87,772 | $919,900 | 31.4% | 7.4% |
Population Overview
Kapolei is a small city located in Hawaii, within Honolulu County. The total population is 22,232. It ranks as the 11th most populous out of 163 Census-designated places in Hawaii.
Age Demographics
The median age in Kapolei is 35.3 years. This is 14% lower than the state median of 40.9 years.
Economy, Income & Housing
The median household income in Kapolei is $128,324. This is 28% higher than the state median of $100,389. It is also 59% higher than the national median of $80,734. The poverty rate stands at 6.3%. This is 37% lower than the state poverty rate of 10.0%. The unemployment rate is 6.7%. This is 37% higher than the state rate of 4.9%. The median home value is $744,200. Housing costs are 11% lower than the state median of $839,100. The home-value-to-income ratio is 5.8x. 76.5% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 63.0%.
Race & Ethnicity
Kapolei is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 17.5%. The Hispanic or Latino population is significantly higher than the state average (17.5% vs 9.9%).
Education
29.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 17% lower than the state rate of 36.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.6%.
Data Sources & Methodology
All demographic data for Kapolei, Hawaii is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Hawaii state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 163 Census-designated places in Hawaii. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Kapolei, Hawaii?
Kapolei, Hawaii has a population of 22,232 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Kapolei, HI?
The median household income in Kapolei is $128,324, which is 59% higher than the national median of $80,734.
What is the poverty rate in Kapolei, HI?
The poverty rate in Kapolei is 6.3%. This means approximately 1,377 residents live below the federal poverty line.
What is the racial makeup of Kapolei, Hawaii?
Kapolei's population is 11.1% White, 2.0% Black, 17.5% Hispanic/Latino, and 26.2% Asian.
What is the median home value in Kapolei, HI?
The median home value in Kapolei is $744,200. The home-value-to-income ratio is 5.8x.
How educated is Kapolei, Hawaii?
29.9% of adults (25+) in Kapolei hold a bachelor's degree or higher, and 8.2% hold a graduate or professional degree.