
Papaikou
- County:
- Hawaii County
- County Seat:
- No
- Area (mi²):
- 1.454
- State:
- Hawaii
Papaikou is a CDP located in Hawaii County, Hawaii. Papaikou has a 2025 population of 1,041. Papaikou is currently declining at a rate of -1.79% annually but its population has increased by 18.16% since the most recent census, which recorded a population of 881 in 2020.
The average household income in Papaikou is $101,035 with a poverty rate of 11.47%. The median age in Papaikou is 36.6 years: 34.3 years for males, and 37.5 years for females.