Kailua CDP (Hawaii County), Hawaii Demographics & Population 2026

Population Overview

Kailua CDP (Hawaii County) is a small city located in Hawaii. The total population is 21,851. It ranks as the 14th most populous out of 163 cities and towns in Hawaii.

Age Demographics

The median age in Kailua CDP (Hawaii County) is 42.2 years. This is 4% higher than the state median of 40.6 years.

Economy, Income & Housing

The median household income in Kailua CDP (Hawaii County) is $86,743. This is 12% lower than the state median of $98,317. Compared to the national median of $78,538, household income here is 10% higher. The poverty rate stands at 13.4%. This is 34% higher than the state poverty rate of 10.0%. The unemployment rate is 4.1%. This is 19% lower than the state rate of 5.0%. The median home value is $649,400. Housing costs are 20% lower than the state median of $808,200. The home-value-to-income ratio of 7.5x suggests that housing affordability is a significant concern for many residents. 66.2% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 62.5%.

Race & Ethnicity

Kailua CDP (Hawaii County) is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Asian residents account for 18.0%. The White (non-Hispanic) population is significantly higher than the state average (41.4% vs 21.1%). The Black or African American population (0.2%) is well below the state average of 1.8%. The Asian population (18.0%) is well below the state average of 36.7%.

Education

33.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% 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 92.0%.

Data Sources & Methodology

All demographic data for Kailua CDP (Hawaii County), 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.