Kauai County's 2026 population is estimated at 73,654, reflecting a -0.13% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Kauai County is the 4th largest county in Hawaii. The 2010 population was 67,208 and has grown 9.59% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.1 years
Female: 43.9 years
Male: 42.4 years
There are 58,095 adults, (16,530 of whom are seniors) in Kauai County.
Female: 37,181 (50.4%)
Male: 36,550 (49.6%)
The racial composition of Kauai County includes 30.6% Asian, 29.65% White, 9.88% Native Hawaiian or Pacific Islander, and smaller percentages for other race, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Asian | 22,560 | 30.6% |
| White | 21,863 | 29.65% |
| Two or more races | 20,053 | 27.2% |
| Native Hawaiian or Pacific Islander | 7,288 | 9.88% |
| Other race | 1,182 | 1.6% |
| Black or African American | 639 | 0.87% |
| Native American | 146 | 0.2% |
Kauai County 's average per capita income is $47,341. Household income levels show a median of $97,668. The poverty rate stands at 9.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $130,401 | - |
| Families | $110,206 | $136,514 |
| Households | $97,668 | $126,466 |
| Non Families | $57,849 | $88,800 |
Average Income
Median Household Income
Poverty Rate
