| Place Name | Waiohinu |
| Place Type | Census Designated Place |
| ZIP Code(s) | 96772 |
| County | Hawaii County |
| Area Code(s) | 808 |
| Timezone | Hawaii Standard Time (HST) |
| Population (2022) | 28 |
| Population Growth Rate (2010-19) | -7.04% |
| Majority Ethnicity | Hawaiian/Pacific Islander 21.15% |
| Metro/Micro Stats Area | Hilo, HI |
| US Congressional District(s) | Hawaii 2nd |
| State House Districts | 5 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 30.13% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 13.46% |
| Native American | 35.26% |
| Hawaiin/Pacific Islander | 21.15% |