Waikapu CDP, Hawaii Demographics & Population 2026

Population Overview

Waikapu CDP is a small community located in Hawaii. The total population is 3,645. It ranks as the 72nd most populous out of 163 cities and towns in Hawaii.

Age Demographics

The median age in Waikapu CDP is 36.3 years. This is 11% lower than the state median of 40.6 years. With 29.0% of the population under 18, Waikapu CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Waikapu CDP is $121,618. This is 24% higher than the state median of $98,317. Compared to the national median of $78,538, household income here is 55% higher. The poverty rate stands at 1.9%. This is 81% lower than the state poverty rate of 10.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.3%. This is 55% lower than the state rate of 5.0%. The median home value is $837,700. Housing costs are 4% higher than the state median of $808,200. The home-value-to-income ratio of 6.9x suggests that housing affordability is a significant concern for many residents. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 62.5%.

Race & Ethnicity

Waikapu CDP is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 24.3%. The Black or African American population (0.6%) is well below the state average of 1.8%.

Education

39.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% higher than the state rate of 35.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.0%.

Data Sources & Methodology

All demographic data for Waikapu CDP, Hawaii is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Hawaii state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 163 Census-designated places in Hawaii. For official data, visit data.census.gov.