Koloa is a city located in Hawaii. Koloa has a 2020 population of 2,859. Koloa is currently declining at a rate of 0.00% annually and its population has increased by 33.35% since the most recent census, which recorded a population of 2,144 in 2010. Koloa reached it's highest population of 2,859 in 2018.
The average household income in Koloa is $76,564 with a poverty rate of 18.86%. The median rental costs in recent years comes to $1,075 per month, and the median house value is $562,500. The median age in Koloa is 32.9 years, 32.2 years for males, and 35.7 years for females. For every 100 females there are 93.0 males.