Waimea
- County:
- Kauai County
- County Seat:
- No
- Area (mi²):
- 39.385
- State:
- Hawaii
Waimea is a CDP located in Kauai County, Hawaii. Waimea has a 2026 population of 7,028. Waimea is currently declining at a rate of -34.42% annually and its population has decreased by since the most recent census, which recorded a population of 0 in 2020.