Wainaku is a CDP located in Hawaii County, Hawaii. Wainaku has a 2025 population of 973 . Wainaku is currently declining at a rate of -1.72% annually and its population has decreased by -8.72% since the most recent census, which recorded a population of 1,066 in 2020.
The average household income in Wainaku is $94,400 with a poverty rate of 7.12%. The median age in Wainaku is 43.4 years: 44.4 years for males, and 38.7 years for females. For every 100 females there are 96.0 males.
Data after 2023 is projected based on recent change
The racial composition of Wainaku includes 27.17% Asian, 23.29% White, 3.05% Black or African American, and smaller percentages for Native Hawaiian or Pacific Islander, other race and multiracial populations.
Two or more races (45.19%)
Asian (27.17%)
White (23.29%)
Black or African American (3.05%)
Native Hawaiian or Pacific Islander (1.02%)
Other race (0.28%)
Race | Population | Percentage (of total) |
|---|---|---|
| Two or more races | 489 | 45.19% |
| Asian | 294 | 27.17% |
| White | 252 | 23.29% |
| Black or African American | 33 | 3.05% |
| Native Hawaiian or Pacific Islander | 11 | 1.02% |
| Other race | 3 | 0.28% |
Married
Widowed
Divorced
Separated
Never Married
Wainaku's average per capita income is $41,071. Household income levels show a median of $72,188. The poverty rate stands at 7.12%.
Name | Median | Mean |
|---|---|---|
| Married Families | $87,917 | - |
| Families | $79,750 | $112,105 |
| Households | $72,188 | $94,400 |
| Non Families | $40,577 | $52,384 |
Average Income
Median Household Income
Poverty Rate