Kauaʻi County, Hawaii

Kauaʻi County
Location within the U.S. state of Hawaii
Hawaii's location within the U.S.
Coordinates: 22°04′00″N 159°39′00″W / 22.066666666667°N 159.65°W / 22.066666666667; -159.65
Country United States
State Hawaii
Founded1905
SeatLihue
Largest communityKapa‘a
Government
  MayorDerek Kawakami
Area
  Total
1,266 sq mi (3,280 km2)
  Land620 sq mi (1,600 km2)
  Water646 sq mi (1,670 km2)  51.0%
Population
 (2020)
  Total
73,298
  Density58/sq mi (22/km2)
Time zoneUTC−10 (Hawaii–Aleutian)
Congressional district2nd
Websitekauai.gov

Kauaʻi County (Hawaiian: Kalana o Kauaʻi), officially known as the County of Kauaʻi, is a county in the U.S. state of Hawaiʻi. It encompasses the islands of Kauaʻi, Niʻihau, Lehua, and Kaʻula. According to the 2020 Census, the population was 73,298. The county seat is Līhuʻe.

The Kapa'a Micropolitan Statistical Area includes all of Kauaʻi County.