Koloa, Hawaii Demographics & Population 2026
During the 2020–2024 ACS period, Koloa, Hawaii had a total population of 2,907, the 84th largest community in Hawaii, with a median household income of $77,868, which is 22% lower than the state average. The poverty rate is 7.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing affordability is a challenge — homes cost 11.9x the median household income.
- One of the most racially diverse communities in Hawaii (diversity index: 80/100).
Koloa Quick Facts
How Koloa 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 | 2,327 | 2,907 | +24.9% |
| Median household income | $76,316 | $77,868 | +2.0% |
| Median home value | $873,900 | $927,300 | +6.1% |
How Koloa 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+)
Koloa Rankings in Hawaii
Explore Hawaii Rankings
Other Cities in Kauai County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kapaa | 11,094 | $89,477 | 7.5% | $861,300 |
| Lihue | 7,901 | $92,850 | 6.3% | $878,500 |
| Wailua Homesteads | 5,431 | $89,717 | 9.9% | $943,400 |
| Hanamaulu | 4,972 | $82,358 | 6.2% | $687,500 |
| Kalaheo | 4,435 | $110,607 | 11.4% | $956,900 |
| Puhi | 4,362 | $137,292 | 8.6% | $701,400 |
| Kekaha | 3,768 | $84,375 | 18.9% | $682,900 |
| Kilauea | 3,146 | $91,984 | 18.5% | $1,087,400 |
| Anahola | 3,067 | $100,688 | 10.3% | $530,100 |
| Lawai | 2,718 | $104,286 | 9.9% | $849,800 |
Cities Similar to Koloa
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Orchidlands Estates | 3,027 | $73,936 | $385,900 | 27.2% | 13.9% |
| Helemano | 2,691 | $83,197 | N/A | 23.5% | 12.4% |
| Waialua | 3,050 | $88,269 | $997,200 | 28.2% | 10.0% |
| Wailua | 2,697 | $69,167 | $790,800 | 27.7% | 12.8% |
| Kilauea | 3,146 | $91,984 | $1,087,400 | 32.8% | 18.5% |
Population Overview
Koloa is a small community located in Hawaii, within Kauai County. The total population is 2,907. It ranks as the 84th most populous out of 163 Census-designated places in Hawaii.
Age Demographics
The median age in Koloa is 33.7 years. This is 18% lower than the state median of 40.9 years. With 35.9% of the population under 18, Koloa has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Koloa is $77,868. This is 22% lower than the state median of $100,389. It is also 4% lower than the national median of $80,734. The poverty rate stands at 7.1%. This is 29% lower than the state poverty rate of 10.0%. The unemployment rate is 7.8%. This is 59% higher than the state rate of 4.9%. The median home value is $927,300. Housing costs are 11% higher than the state median of $839,100. The home-value-to-income ratio of 11.9x suggests that housing affordability is a significant concern for many residents. 47.0% of occupied housing units are owner-occupied. This homeownership rate is 25% lower than the state average of 63.0%.
Race & Ethnicity
Koloa is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Asian residents account for 20.6%. The Hispanic or Latino population is significantly higher than the state average (20.6% vs 9.9%).
Education
22.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 95.0%.
Data Sources & Methodology
All demographic data for Koloa, 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 Koloa, Hawaii?
Koloa, Hawaii has a population of 2,907 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Koloa, HI?
The median household income in Koloa is $77,868, which is 4% lower than the national median of $80,734.
What is the poverty rate in Koloa, HI?
The poverty rate in Koloa is 7.1%. This means approximately 207 residents live below the federal poverty line.
What is the racial makeup of Koloa, Hawaii?
Koloa's population is 20.4% White, 1.1% Black, 20.6% Hispanic/Latino, and 20.6% Asian.
What is the median home value in Koloa, HI?
The median home value in Koloa is $927,300. The home-value-to-income ratio is 11.9x.
How educated is Koloa, Hawaii?
22.9% of adults (25+) in Koloa hold a bachelor's degree or higher, and 4.6% hold a graduate or professional degree.