Wailuku is a medium-sized coastal town (i.e. on the ocean, a bay, or inlet) located in the state of Hawaii. With a population of 17,697 people and seven associated neighborhoods, Wailuku is the 13th largest community in Hawaii.

Housing costs in Wailuku are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in Hawaii.

Of important note, Wailuku is also a town of artists. Wailuku has more artists, designers and people working in media than 90% of the communities in America. This concentration of artists helps shape Wailuku’s character.

One of the nice things about Wailuku is that it is nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Because of this, visitors and locals will often go to these areas to take in the scenery or to enjoy waterfront activities.

The education level of Wailuku citizens is very high relative to the national average among all cities (21.84%): 34.49% of adults in Wailuku have a bachelor's degree or even advanced degree.

The per capita income in Wailuku in 2022 was $41,970, which is upper middle income relative to Hawaii and the nation. This equates to an annual income of $167,880 for a family of four. However, Wailuku contains both very wealthy and poor people as well.

Wailuku is an extremely ethnically-diverse town. The people who call Wailuku home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Wailuku residents report their race to be Asian, followed by White. Important ancestries of people in Wailuku include Irish, German, English, Portuguese, and Italian.

The most common language spoken in Wailuku is English. Other important languages spoken here include Pacific Island languages and Japanese.