Kilauea, Hawaii Demographics & Population 2026
During the 2020–2024 ACS period, Kilauea, Hawaii had a total population of 3,146, the 80th largest community in Hawaii, with a median household income of $91,984, which is 8% lower than the state average. The poverty rate is 18.5%.
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 11.8x the median household income.
Kilauea Quick Facts
How Kilauea 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 | 3,104 | 3,146 | +1.4% |
| Median household income | $86,382 | $91,984 | +6.5% |
| Median home value | $1,011,000 | $1,087,400 | +7.6% |
How Kilauea 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
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 76 | National average: 61
Education
Educational Attainment (Adults 25+)
Kilauea 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 |
| Anahola | 3,067 | $100,688 | 10.3% | $530,100 |
| Koloa | 2,907 | $77,868 | 7.1% | $927,300 |
| Lawai | 2,718 | $104,286 | 9.9% | $849,800 |
Cities Similar to Kilauea
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kurtistown | 3,151 | $96,165 | $448,600 | 30.5% | 4.8% |
| Waialua | 3,050 | $88,269 | $997,200 | 28.2% | 10.0% |
| Kalaeloa | 3,342 | $90,313 | N/A | 20.8% | 22.0% |
| Anahola | 3,067 | $100,688 | $530,100 | 16.1% | 10.3% |
| Lanai City | 3,393 | $92,167 | $630,000 | 28.0% | 6.7% |
Population Overview
Kilauea is a small community located in Hawaii, within Kauai County. The total population is 3,146. It ranks as the 80th most populous out of 163 Census-designated places in Hawaii.
Age Demographics
The median age in Kilauea is 42.2 years. This is 3% higher than the state median of 40.9 years.
Economy, Income & Housing
The median household income in Kilauea is $91,984. This is 8% lower than the state median of $100,389. It is also 14% higher than the national median of $80,734. The poverty rate stands at 18.5%. This is 84% higher than the state poverty rate of 10.0%. The unemployment rate is 3.4%. This is 32% lower than the state rate of 4.9%. The median home value is $1,087,400. Housing costs are 30% higher than the state median of $839,100. The home-value-to-income ratio of 11.8x suggests that housing affordability is a significant concern for many residents. 82.1% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 63.0%.
Race & Ethnicity
The largest racial or ethnic group in Kilauea is White (non-Hispanic), making up 48.9% of the population. Asian residents account for 15.1%. The White (non-Hispanic) population is significantly higher than the state average (48.9% vs 20.9%). The Black or African American population (0.4%) is well below the state average of 1.8%. The Asian population (15.1%) is well below the state average of 36.4%.
Education
32.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% 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 93.2%.
Data Sources & Methodology
All demographic data for Kilauea, 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.
Free data download: Get all Hawaii city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Kilauea, Hawaii?
Kilauea, Hawaii has a population of 3,146 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Kilauea, HI?
The median household income in Kilauea is $91,984, which is 14% higher than the national median of $80,734.
What is the poverty rate in Kilauea, HI?
The poverty rate in Kilauea is 18.5%. This means approximately 582 residents live below the federal poverty line.
What is the racial makeup of Kilauea, Hawaii?
Kilauea's population is 48.9% White, 0.4% Black, 7.9% Hispanic/Latino, and 15.1% Asian.
What is the median home value in Kilauea, HI?
The median home value in Kilauea is $1,087,400. The home-value-to-income ratio is 11.8x.
How educated is Kilauea, Hawaii?
32.8% of adults (25+) in Kilauea hold a bachelor's degree or higher, and 10.8% hold a graduate or professional degree.