Waipahu CDP, Hawaii Demographics & Population 2026

Population Overview

Waipahu CDP is a mid-sized community located in Hawaii. The total population is 39,871. It ranks as the 5th most populous out of 163 cities and towns in Hawaii.

Age Demographics

The median age in Waipahu CDP is 39.7 years. This is 2% lower than the state median of 40.6 years. 11.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Waipahu CDP is $98,633. This is about average than the state median of $98,317. Compared to the national median of $78,538, household income here is 26% higher. The poverty rate stands at 11.4%. This is 15% higher than the state poverty rate of 10.0%. The unemployment rate is 4.2%. This is 16% lower than the state rate of 5.0%. The median home value is $835,400. Housing costs are 3% higher than the state median of $808,200. The home-value-to-income ratio of 8.5x suggests that housing affordability is a significant concern for many residents. 59.5% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 62.5%.

Race & Ethnicity

The largest racial or ethnic group in Waipahu CDP is Asian, making up 67.1% of the population. Hispanic or Latino residents account for 6.2%. The White (non-Hispanic) population (2.8%) is well below the state average of 21.1%. The Black or African American population (0.2%) is well below the state average of 1.8%. The Asian population is significantly higher than the state average (67.1% vs 36.7%).

Education

18.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 48% lower 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 85.2%.

Data Sources & Methodology

All demographic data for Waipahu 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.