Kailua Cdp (Hawaii County), Hawaii Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Kailua Cdp (Hawaii County), Hawaii is 21,851 as of the 2023 American Community Survey, making it the 14th-largest city in Hawaii. The median household income is $86,743, the median home value is $649,400, and the median age is 42.2.
21,851
Population
1584
People / sq mi
$86,743
Median Income
$649,400
Median Home Value
Kailua Cdp (Hawaii County) covers 13.8 sq mi of land at 1584 people per square mile.
About Kailua Cdp (Hawaii County), HI
Kailua Cdp (Hawaii County) is a city in Hawaii with a population of 21,851. It ranks #14 among cities in Hawaii by population. The median age is 42.2, older than the national median. The population is 50.4% male and 49.6% female.
The median household income in Kailua Cdp (Hawaii County) is $86,743, above the US median of $74,580. 10.6% of residents live below the federal poverty level. Home values sit at a median of $649,400, with monthly rent averaging $1,747. The homeownership rate of 66.2% is close to the national rate of 64.8%.
Educational attainment in Kailua Cdp (Hawaii County) reflects 33.2% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 10.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.6 minutes each way.
Race & Ethnicity
| White | 42.2% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 6.6% |
Economy & Income
$86,743
Median Household Income
$45,940
Per Capita Income
10.6%
Poverty Rate
2.5%
Unemployment Rate
Housing
$649,400
Median Home Value
$1,747
Median Rent
66.2%
Owner-Occupied
Education
92.0%
High School+
33.2%
Bachelor's+
Commute
0.3%
Drive Alone
60.7%
Public Transit
10.7%
Work From Home
21.6 min
Avg Commute
Community Profile
39.5%
Foreign Born
73.7%
Non-English at Home
6.9%
Veterans
12.5%
With Disability
95.0%
Health Insurance
97.2%
Internet Access
Employment by Industry
| Education, Health Care & Social Services | 24.2% |
| Professional, Scientific & Management | 16.1% |
| Finance, Insurance & Real Estate | 13.0% |
| Information | 7.4% |
| Construction | 6.6% |
| Arts, Entertainment & Food Services | 4.5% |
| Public Administration | 4.0% |
| Retail Trade | 3.2% |
| Transportation & Warehousing | 2.4% |
| Agriculture & Mining | 2.4% |
| Manufacturing | 1.7% |
Largest cities in Hawaii
Largest counties in Hawaii
Part of Hawaii
Metro areas in Hawaii
City rankings
Frequently Asked Questions
Kailua Cdp (Hawaii County), Hawaii has a population of 21,851 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest city in Hawaii.
The median household income in Kailua Cdp (Hawaii County), Hawaii is $86,743, with 10.6% of residents living below the federal poverty level.
The median home value in Kailua Cdp (Hawaii County), Hawaii is $649,400, with median monthly rent at $1,747 and a homeownership rate of 66.2%.
The median age in Kailua Cdp (Hawaii County), Hawaii is 42.2 years. The population is 50.4% male and 49.6% female.
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Statewide data for Hawaii
Population, race, income, age, and trends across Hawaii
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.