Demographics in Kailua, HI
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Kailua?
Loading map…
Population
Source: U.S. Census Bureau ACS (2023)Total Population
21,851
Male
11,023
50.4%
Female
10,828
49.6%
Median Age
42.2
Age Distribution
Source: U.S. Census Bureau ACS (2023)Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White42.2%
Black0.2%
Hispanic6.2%
Asian18.0%
Two or More22.9%
Other2.3%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
24.2%
High School or Higher
44.6%
Foreign Born
19.6%
Veterans
5.5%
Married
43.8%
Avg Household Size
2.8
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Kailua, HI has a population of 21,851 with a median age of 42.2. The racial makeup is 42.2% White, 6.2% Hispanic, 0.2% Black, 18.0% Asian. About 24.2% of residents hold a bachelor's degree or higher. The foreign-born population is 19.6%.