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
  Density16,237.86/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.