Waipahu, Hawaii

Waipahu
Location in Honolulu County and the state of Hawaii
Waipahu
Location in Hawaii
Coordinates: 21°23′33″N 158°0′39″W / 21.39250°N 158.01083°W / 21.39250; -158.01083
Country United States
State Hawaii
CountyHonolulu
Area
 • Total
2.80 sq mi (7.25 km2)
 • Land2.68 sq mi (6.94 km2)
 • Water0.12 sq mi (0.31 km2)
Elevation
62 ft (19 m)
Population
 (2020)
 • Total
43,485
 • Density16,237.8/sq mi (6,269.45/km2)
Time zoneUTC−10 (Hawaii-Aleutian)
ZIP code
96797
Area code808
FIPS code15-79700
GNIS feature ID0364878

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.