The median income of Koloa residents was an inflation-adjusted $25,912 per year. Koloa had 821 households in 2017, with a population of 2,741.
The city with the highest median resident income in the state was Kalaeloa. Kalaeloa's median income was $65,455 per year after adjusting for inflation – $39,543 more than Koloa. It had 14 households in 2017 and a population of 24.
Fern Forest had the lowest annual resident income among cities in Hawaii, with a median income of only $10,673 per year. That was $15,239 less than the median income in Koloa at the time. Fern Forest had 342 households in 2017 and a population of 838.
The table below shows the top 100 cities ranked by median annual resident earnings in 2017.