Waikapu, HI Demographics

A map of Waikapu's Population by Race

Waikapu, Hawaii has an estimated population of 3,591, an increase from the 3,437 recorded in the 2020 Census. The population is 26.9% Multiracial, 25.3% Asian, 22.0% White, 14.4% Hispanic, 10.8% Native American/Other, and 0.6% Black. This demographic dot map shows the population of Waikapu, with one dot drawn for each person counted by the Census, color-coded by race.

Waikapu has become more racially diverse since the 2020 Census. It is more diverse than Hawaii overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Waikapu, that probability was 75.5% in 2020 and 78.3% in the most recent ACS estimates.

Waikapu is ranked the 73rd most populous place in Hawaii, out of 163 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Waikapu was ranked the 72nd most populous place in the 2020 Census.

Waikapu's White Population

789 residents of Waikapu, or 22.0% of the population, identify as White. The share of White residents in Waikapu is comparable to the share in Hawaii overall, where 20.9% of the population is White. Waikapu ranks 100th statewide in terms of White residents as a share of the population, out of 163 places.

Since the 2020 Census, Waikapu's White population has grown by an estimated 6.8%. White residents' share of Waikapu's population has increased from 21.5% to 22.0%.

Waikapu is more White than neighboring Wailuku (20.9% White), Kahului (10.6% White), and Waihee-Waiehu (8.9% White). Waikapu is less White than neighboring Maalaea (72.9% White), and Olowalu (44.3% White).

Waikapu's Black Population

23 residents of Waikapu, or 0.6% of the population, identify as Black. The share of Black residents in Waikapu is comparable to the share in Hawaii overall, where 1.8% of the population is Black. Waikapu ranks 107th statewide in terms of Black residents as a share of the population, out of 163 places.

Since the 2020 Census, Waikapu's Black population has grown by an estimated 53.3%. Black residents' share of Waikapu's population has remained roughly unchanged at 0.6%.

Waikapu is more Black than neighboring Olowalu (0% Black). Waikapu is less Black than neighboring Wailuku (1% Black), Maalaea (3.8% Black), Kahului (1.4% Black), and Waihee-Waiehu (1.8% Black).

Waikapu's Asian Population

910 residents of Waikapu, or 25.3% of the population, identify as Asian. The share of Asian residents in Waikapu is considerably lower than in Hawaii overall, where 36.4% of the population is Asian. Waikapu ranks 45th statewide in terms of Asian residents as a share of the population, out of 163 places.

Since the 2020 Census, Waikapu's Asian population has declined by an estimated 16.8%. Asian residents' share of Waikapu's population has decreased from 31.8% to 25.3%.

Waikapu is more Asian than neighboring Maalaea (7.1% Asian), and Olowalu (21.4% Asian). Waikapu is less Asian than neighboring Wailuku (33.4% Asian), Kahului (55.4% Asian), and Waihee-Waiehu (38.4% Asian).

Waikapu's Hispanic Population

517 residents of Waikapu, or 14.4% of the population, identify as Hispanic. The share of Hispanic residents in Waikapu is slightly higher than in Hawaii overall, where 9.9% of the population is Hispanic. Waikapu ranks 93rd statewide in terms of Hispanic residents as a share of the population, out of 163 places.

Since the 2020 Census, Waikapu's Hispanic population has grown by an estimated 60.1%. Hispanic residents' share of Waikapu's population has increased from 9.4% to 14.4%.

Waikapu is more Hispanic than neighboring Wailuku (7.7% Hispanic), Maalaea (2.9% Hispanic), Kahului (7.3% Hispanic), and Waihee-Waiehu (7.8% Hispanic). Waikapu is less Hispanic than neighboring Olowalu (24.3% Hispanic).

Waikapu's Native American/Other Population

387 residents of Waikapu, or 10.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Waikapu is comparable to the share in Hawaii overall, where 10% of the population is Native American/Other. Waikapu ranks 103rd statewide in terms of Native American/Other residents as a share of the population, out of 163 places.

Since the 2020 Census, Waikapu's Native American/Other population has grown by an estimated 37.2%. Native American/Other residents' share of Waikapu's population has increased from 8.2% to 10.8%.

Waikapu is more Native American/Other than neighboring Wailuku (10.3% Native American/Other), Maalaea (3.8% Native American/Other), Kahului (7.7% Native American/Other), and Olowalu (0% Native American/Other). Waikapu is less Native American/Other than neighboring Waihee-Waiehu (22.1% Native American/Other).

Waikapu's Multiracial Population

965 residents of Waikapu, or 26.9% of the population, identify as Multiracial. The share of Multiracial residents in Waikapu is higher than in Hawaii overall, where 21% of the population is Multiracial. Waikapu ranks 26th statewide in terms of Multiracial residents as a share of the population, out of 163 places.

Since the 2020 Census, Waikapu's Multiracial population has declined by an estimated 1.9%. Multiracial residents' share of Waikapu's population has decreased from 28.6% to 26.9%.

Waikapu is more Multiracial than neighboring Wailuku (26.7% Multiracial), Maalaea (9.5% Multiracial), Kahului (17.7% Multiracial), Waihee-Waiehu (21.1% Multiracial), and Olowalu (10% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.