Waimalu, HI Demographics

A map of Waimalu's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Asian	7,161	6,939	54.8%	50.2%
Multiracial	2,420	2,709	18.5%	19.6%
White	1,445	1,697	11.1%	12.3%
Hispanic	1,215	1,211	9.3%	8.8%
Native American/Other	555	880	4.2%	6.4%
Black	265	381	2.0%	2.8%

Waimalu, Hawaii has an estimated population of 13,061, a decrease from the 13,817 recorded in the 2020 Census. The population is 54.8% Asian, 18.5% Multiracial, 11.1% White, 9.3% Hispanic, 4.2% Native American/Other, and 2.0% Black. This demographic dot map shows the population of Waimalu, with one dot drawn for each person counted by the Census, color-coded by race.

Waimalu has become less racially diverse since the 2020 Census. It is considerably less 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 Waimalu, that probability was 68.2% in 2020 and 64.2% in the most recent ACS estimates.

Waimalu is ranked the 24th 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). Waimalu was ranked the 24th most populous place in the 2020 Census.

Waimalu's White Population

1,445 residents of Waimalu, or 11.1% of the population, identify as White. The share of White residents in Waimalu is lower than in Hawaii overall, where 20.9% of the population is White. Waimalu ranks 133rd statewide in terms of White residents as a share of the population, out of 163 places.

Since the 2020 Census, Waimalu's White population has declined by an estimated 14.8%. White residents' share of Waimalu's population has decreased from 12.3% to 11.1%.

Waimalu is more White than neighboring Halawa (8.3% White), Pearl City (9.8% White), and Waipio (5.6% White). Waimalu is less White than neighboring Aiea (11.9% White), and Hickam Housing (52.9% White).

Waimalu's Black Population

265 residents of Waimalu, or 2.0% of the population, identify as Black. The share of Black residents in Waimalu is comparable to the share in Hawaii overall, where 1.8% of the population is Black. Waimalu ranks 11th statewide in terms of Black residents as a share of the population, out of 163 places.

Since the 2020 Census, Waimalu's Black population has declined by an estimated 30.4%. Black residents' share of Waimalu's population has decreased from 2.8% to 2.0%.

Waimalu is more Black than neighboring Aiea (1.8% Black), Halawa (0.5% Black), Pearl City (1.8% Black), and Waipio (0.8% Black). Waimalu is less Black than neighboring Hickam Housing (10.3% Black).

Waimalu's Asian Population

7,161 residents of Waimalu, or 54.8% of the population, identify as Asian. The share of Asian residents in Waimalu is significantly higher than in Hawaii overall, where 36.4% of the population is Asian. Waimalu ranks 18th statewide in terms of Asian residents as a share of the population, out of 163 places.

Since the 2020 Census, Waimalu's Asian population has grown by an estimated 3.2%. Asian residents' share of Waimalu's population has increased from 50.2% to 54.8%.

Waimalu is more Asian than neighboring Aiea (54.7% Asian), Halawa (51.5% Asian), Pearl City (54.5% Asian), and Hickam Housing (4.4% Asian). Waimalu is less Asian than neighboring Waipio (57% Asian).

Waimalu's Hispanic Population

1,215 residents of Waimalu, or 9.3% of the population, identify as Hispanic. The share of Hispanic residents in Waimalu is comparable to the share in Hawaii overall, where 9.9% of the population is Hispanic. Waimalu ranks 106th statewide in terms of Hispanic residents as a share of the population, out of 163 places.

Since the 2020 Census, Waimalu's Hispanic population has remained roughly the same. Hispanic residents' share of Waimalu's population has increased from 8.8% to 9.3%.

Waimalu is more Hispanic than neighboring Aiea (7.5% Hispanic), Halawa (6.8% Hispanic), Pearl City (6.3% Hispanic), and Waipio (7.1% Hispanic). Waimalu is less Hispanic than neighboring Hickam Housing (10.8% Hispanic).

Waimalu's Native American/Other Population

555 residents of Waimalu, or 4.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Waimalu is lower than in Hawaii overall, where 10% of the population is Native American/Other. Waimalu ranks 126th statewide in terms of Native American/Other residents as a share of the population, out of 163 places.

Since the 2020 Census, Waimalu's Native American/Other population has declined by an estimated 36.9%. Native American/Other residents' share of Waimalu's population has decreased from 6.4% to 4.2%.

Waimalu is less Native American/Other than neighboring Aiea (7.5% Native American/Other), Halawa (14.8% Native American/Other), Pearl City (7% Native American/Other), Hickam Housing (6.1% Native American/Other), and Waipio (6.4% Native American/Other).

Waimalu's Multiracial Population

2,420 residents of Waimalu, or 18.5% of the population, identify as Multiracial. The share of Multiracial residents in Waimalu is slightly lower than in Hawaii overall, where 21% of the population is Multiracial. Waimalu ranks 100th statewide in terms of Multiracial residents as a share of the population, out of 163 places.

Since the 2020 Census, Waimalu's Multiracial population has declined by an estimated 10.7%. Multiracial residents' share of Waimalu's population has decreased from 19.6% to 18.5%.

Waimalu is more Multiracial than neighboring Aiea (16.6% Multiracial), Halawa (18.2% Multiracial), and Hickam Housing (15.4% Multiracial). Waimalu is less Multiracial than neighboring Pearl City (20.5% Multiracial), and Waipio (23.1% 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.