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Kailua CDP (Hawaii County), HI
Full City Profile · Hawaii · Hawaii County County
2.9
/5.0
C+
Fair
21,851
Population
1,583/sq mi density
$86,743
Median Income
$45,940 per capita
$649,400
Home Value
$987,326 Zillow
$1,747
Median Rent
26.4% income on rent
46°F
Avg Temperature
330 sunny days/yr
232
Violent Crime/100K
1,045 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$86,743 median income, 2.5% unemployment
C
Affordability
2.4 / 5.0
$649,400 home value, $1,747/mo rent
F
Safety
1.0 / 5.0
232 violent crimes/100K
B+
Education
3.7 / 5.0
33.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+66.3%
13,143 → 21,851
over 10 years
Annual Pop. Growth
+5.22%
Compound annual growth rate
Median Income Change
+50.9%
$57,470 → $86,743
nominal, not inflation-adjusted
Annual Income Growth
+4.2%
Compound annual growth rate
Population Over Time
Total population for Kailua CDP (Hawaii County) across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
31,200
+9,349 from 2023 (21,851)
Projected Median Income 2030
$115,693
+$28,950 from 2023 ($86,743)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 13,143 | — | $57,470 | — |
| 2015 | 12,652 | -3.7% | $56,596 | -1.5% |
| 2017 | 14,140 | +11.8% | $66,875 | +18.2% |
| 2019 | 15,231 | +7.7% | $72,267 | +8.1% |
| 2021 | 21,460 | +40.9% | $79,331 | +9.8% |
| 2023 | 21,851 | +1.8% | $86,743 | +9.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.