Kailua Cdp (Honolulu County), Hawaii Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Kailua Cdp (Honolulu County), Hawaii is 39,762 as of the 2023 American Community Survey, making it the 6th-largest city in Hawaii. The median household income is $146,615, the median home value is $1,239,000, and the median age is 43.1.
39,762
Population
5116
People / sq mi
$146,615
Median Income
$1,239,000
Median Home Value
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Kailua Cdp (Honolulu County) covers 7.8 sq mi of land at 5116 people per square mile.
About Kailua Cdp (Honolulu County), HI
In Kailua Cdp (Honolulu County), home values do the distinguishing — a median of $1,239,000. Kailua Cdp (Honolulu County) is a city in Hawaii with a population of 39,762. It is the #6-largest of all cities in Hawaii nationally.
Households here are among the highest-earning of all US cities: median income is $146,615, above the US median of $78,538. Poverty is among the lowest of comparable US cities, at 2.3% — below the national 12.4%. Real estate commands a premium here — a median home value of $1,239,000, with typical rent around $3,068.
Educational attainment is on the higher side for US cities — 54.7% of adults hold a four-year degree, above the national 35.0%. About 11.5% of the workforce is home-based, below the national 14.0%, and the average commute runs about 29 minutes each way.
High housing values reframe the income picture in Kailua Cdp (Honolulu County) — even solid earnings stretch less against home prices and rents at this level.
Race & Ethnicity
| White | 42.2% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.5% |
| Two or More Races | 4.0% |
Economy & Income
$146,615
Median Household Income
$61,482
Per Capita Income
2.3%
Poverty Rate
2.1%
Unemployment Rate
Housing
$1,239,000
Median Home Value
$3,068
Median Rent
74.4%
Owner-Occupied
Education
97.6%
High School+
54.7%
Bachelor's+
Commute
2.1%
Drive Alone
72.8%
Public Transit
11.5%
Work From Home
29.2 min
Avg Commute
Community Profile
38.6%
Foreign Born
88.4%
Non-English at Home
10.7%
Veterans
11.8%
With Disability
97.4%
Health Insurance
97.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 28.6% |
| Finance, Insurance & Real Estate | 11.7% |
| Public Administration | 10.4% |
| Education, Health Care & Social Services | 9.6% |
| Construction | 8.6% |
| Retail Trade | 7.0% |
| Information | 7.0% |
| Arts, Entertainment & Food Services | 3.3% |
| Transportation & Warehousing | 1.8% |
| Manufacturing | 1.6% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Kailua Cdp (Honolulu County), Hawaii has a population of 39,762 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest city in Hawaii.
The median household income in Kailua Cdp (Honolulu County), Hawaii is $146,615, with 2.3% of residents living below the federal poverty level.
The median home value in Kailua Cdp (Honolulu County), Hawaii is $1,239,000, with median monthly rent at $3,068 and a homeownership rate of 74.4%.
The median age in Kailua Cdp (Honolulu County), Hawaii is 43.1 years. The population is 49.6% male and 50.4% female.
Kailua Cdp (Honolulu County), HI Climate
Kailua Cdp (Honolulu County), HI has an average annual temperature of 23.9°C (75°F) and receives about 1510 mm of precipitation per year. The warmest month is August and the coldest is February. Figures are 1970–2000 climate normals.
23.9°C
Avg Temp
1510
Precip (mm/yr)
Aug
Hottest Month
Feb
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 22° / 72° | 250 mm |
| February | 22° / 71° | 144 mm |
| March | 23° / 73° | 182 mm |
| April | 23° / 73° | 115 mm |
| May | 24° / 75° | 75 mm |
| June | 25° / 76° | 46 mm |
| July | 25° / 78° | 70 mm |
| August | 26° / 78° | 63 mm |
| September | 26° / 78° | 52 mm |
| October | 25° / 77° | 112 mm |
| November | 24° / 75° | 193 mm |
| December | 23° / 73° | 208 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Kailua Cdp (Honolulu County), HI
The most comfortable months to visit Kailua Cdp (Honolulu County), HI are typically June, May and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 29°C high). The coldest is February (near 18°C low). January is usually the wettest month.
Where to stay near Kailua Cdp (Honolulu County)
Visiting or relocating to Kailua Cdp (Honolulu County), HI? Compare hotels and short-term rentals across the metro — live availability and prices.
Top-rated places to stay near Kailua Cdp (Honolulu County)
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.