| Place Name | Waipahu |
| Place Type | Census Designated Place |
| ZIP Code(s) | 96797 |
| County | Honolulu County |
| Area Code(s) | 808 |
| Timezone | Hawaii Standard Time (HST) |
| Population (2022) | 40,531 |
| Population Growth Rate (2010-19) | 13.79% |
| Majority Ethnicity | Asian 73.5% |
| Metro/Micro Stats Area | Urban Honolulu, HI |
| US Congressional District(s) | Hawaii 1st |
| State House Districts | 35,38 |
| State Senate Districts | 17,20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 4.55% |
| African American | 0.69% |
| Hispanic | 0.09% |
| Asian | 73.5% |
| Native American | 14.08% |
| Hawaiin/Pacific Islander | 7.08% |