Kailua CDP (Honolulu County) is a city of 39,640 people in Hawaii. The typical home is worth $1,353,700, having more than tripled since 2000. Renters pay $3,093 a month at the median. This is an unusually credentialed place: 56% of adults have a four-year degree. Households take in $148,582 a year at the median, 81% more than the country as a whole. That is roughly 48% ahead of the Hawaii median.
At a glance
Wealthier
median household income $148,582, above the US median
US median: $82,259
Older
median age 42.9
US median: 38.9
More educated
56% hold a bachelor's degree
US average: 36%
Less affordable
home values up 109%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Kailua CDP (Honolulu County)
What changed most since 1990
Asian share36.6% → 18.7%(−17.9 pts)US over the same years: +3.1 pts
Adults with a bachelor's degree33.5% → 55.5%(+22.0 pts)US over the same years: +15.3 pts
Kailua CDP (Honolulu County)'s population equals 4.0% of Honolulu County's. Its number of households without a car equals 1.3% of the county's. Its number of foreign-born residents equals 1.7% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)48.3%(1,546)
US avg: 26.4%
Gulf War (1990s)32.5%(1,040)
US avg: 24.3%
Vietnam era30.1%(963)
US avg: 33.1%
Korean War4.3%(137)
US avg: 4.5%
World War II1.3%(41)
US avg: 1%
Share of the 3,202 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Kailua CDP (Honolulu County), decade by decade
Kailua CDP (Honolulu County) population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
36,818
$132,625
$760,342
33.5%
69.2
2000
36,513
$132,587
$646,870
39.4%
85.4
2010
38,635
$131,028
$1,113,454
45.1%
86.7
2020
40,514
$148,724
$1,202,464
49.4%
87.4
2024
39,640
$148,582
$1,353,700
55.5%
85.2
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Kailua CDP (Honolulu County), Hawaii?
Kailua CDP (Honolulu County), Hawaii has about 39,640 residents according to the 2024 American Community Survey.
What is the median household income in Kailua CDP (Honolulu County), Hawaii?
The typical household in Kailua CDP (Honolulu County), Hawaii earns about $148,582 a year. Half of households make more than that, and half make less.
Is Kailua CDP (Honolulu County), Hawaii expensive?
In Kailua CDP (Honolulu County), Hawaii, the median home is worth about $1,353,700, and the typical rent is about $3,093 a month.
How educated are people in Kailua CDP (Honolulu County), Hawaii?
About 55.5% of adults age 25 and over in Kailua CDP (Honolulu County), Hawaii hold a bachelor's degree or higher.
What is the poverty rate in Kailua CDP (Honolulu County), Hawaii?
About 4.0% of people in Kailua CDP (Honolulu County), Hawaii live below the federal poverty line.
Has Kailua CDP (Honolulu County), Hawaii grown since 1990?
Yes, Kailua CDP (Honolulu County), Hawaii has grown since 1990. The population has added about 2,822 residents, a change of about 8 percent over that period.
