| Place Name | Wainiha |
| Place Type | Census Designated Place |
| ZIP Code(s) | 96722 |
| County | Kauai County |
| Area Code(s) | 808 |
| Timezone | Hawaii Standard Time (HST) |
| Population (2022) | 116 |
| Population Growth Rate (2010-19) | 31.76% |
| Majority Ethnicity | White 47.18% |
| Metro/Micro Stats Area | Kapaa, HI |
| US Congressional District(s) | Hawaii 2nd |
| State House Districts | 14 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 47.18% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 11.27% |
| Native American | 41.55% |
| Hawaiin/Pacific Islander | 0% |