Waipahu, Hawaii
Waipahu  | |
|---|---|
Location in Honolulu County and the state of Hawaii  | |
| Coordinates: 21°23′33″N 158°0′39″W / 21.39250°N 158.01083°W | |
| Country | United States | 
| State | Hawaii | 
| County | Honolulu | 
| Area | |
 • Total  | 2.80 sq mi (7.25 km2) | 
| • Land | 2.68 sq mi (6.94 km2) | 
| • Water | 0.12 sq mi (0.31 km2) | 
| Elevation | 62 ft (19 m) | 
| Population  (2020)  | |
 • Total  | 43,485 | 
| • Density | 16,237.86/sq mi (6,269.45/km2) | 
| Time zone | UTC−10 (Hawaii-Aleutian) | 
| ZIP code | 96797  | 
| Area code | 808 | 
| FIPS code | 15-79700 | 
| GNIS feature ID | 0364878 | 
Waipahu (Hawaiian pronunciation: [vɐjˈpɐhu] ⓘ) is a former sugarcane plantation town and now census-designated place (CDP) located in the ʻEwa District on the island of Oʻahu in the City & County of Honolulu, Hawaiʻi, United States. As of the 2020 census, the CDP population was 43,485. The U.S. postal code for Waipahu is 96797.