Kailua HI vs St. Charles MO — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Kailua, HI
Hawaii · Population: N/A
- Median HH IncomeN/A
- Median Home Price$1,530,716
- UnemploymentN/A
- Bachelor's+N/A
St. Charles, MO
Missouri · Population: 71,542
- Median HH Income$55,578
- Median Home Price$144,200
- Unemployment4.7%
- Bachelor's+22.7%
Detailed Comparison
Demographics
Population
Kailua
N/A
St. Charles
71,542
Pop. Density / sq mi
Lower = more space
Kailua
N/A
St. Charles
N/A
Median Age
Kailua
N/A
St. Charles
37.9
Foreign Born
Kailua
N/A
St. Charles
4.2%
White
Kailua
N/A
St. Charles
80.4%
Black
Kailua
N/A
St. Charles
6.7%
Asian
Kailua
N/A
St. Charles
1.4%
Hispanic
Kailua
N/A
St. Charles
7.7%
Spanish at Home
Kailua
N/A
St. Charles
N/A
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Population | N/A | 71,542 | - |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | N/A | 37.9 | - |
| Foreign Born | N/A | 4.2% | - |
| White | N/A | 80.4% | - |
| Black | N/A | 6.7% | - |
| Asian | N/A | 1.4% | - |
| Hispanic | N/A | 7.7% | - |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Kailua
N/A
St. Charles
$55,578
Per Capita Income
Kailua
N/A
St. Charles
$31,499
Per Capita Personal Income (MSA)
BEA MSA-level
Kailua
$63,296
Kailua +
St. Charles
$58,527
Unemployment Rate
Kailua
N/A
St. Charles
4.7%
Poverty Rate
Kailua
N/A
St. Charles
18.7%
Bachelor's Degree+
Kailua
N/A
St. Charles
22.7%
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Median HH Income | N/A | $55,578 | - |
| Per Capita Income | N/A | $31,499 | - |
| Per Capita Personal Income (MSA)BEA MSA-level | $63,296 | $58,527 | Kailua + |
| Unemployment Rate | N/A | 4.7% | - |
| Poverty Rate | N/A | 18.7% | - |
| Bachelor's Degree+ | N/A | 22.7% | - |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Kailua
$1,530,716
St. Charles
$144,200
St. Charles +
Homeownership Rate
Kailua
N/A
St. Charles
61.4%
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $1,530,716 | $144,200 | St. Charles + |
| Homeownership Rate | N/A | 61.4% | - |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Kailua
276
Kailua +
St. Charles
501
Property Crime / 100K
FBI CDE (state-level est.)
Kailua
2592
St. Charles
2418
St. Charles +
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 276 | 501 | Kailua + |
| Property Crime / 100KFBI CDE (state-level est.) | 2592 | 2418 | St. Charles + |
Health
Obesity Rate
CDC PLACES
Kailua
26.5%
Kailua +
St. Charles
35.9%
Diabetes Rate
CDC PLACES
Kailua
9.8%
Kailua +
St. Charles
10.4%
Poor Mental Health
CDC PLACES — 14+ days/month
Kailua
15.8%
Kailua +
St. Charles
16.0%
No Health Insurance
CDC PLACES
Kailua
3.7%
Kailua +
St. Charles
7.1%
Binge Drinking
CDC PLACES
Kailua
18.3%
Kailua +
St. Charles
18.4%
Current Smokers
CDC PLACES
Kailua
14.9%
St. Charles
12.5%
St. Charles +
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 26.5% | 35.9% | Kailua + |
| Diabetes RateCDC PLACES | 9.8% | 10.4% | Kailua + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 15.8% | 16.0% | Kailua + |
| No Health InsuranceCDC PLACES | 3.7% | 7.1% | Kailua + |
| Binge DrinkingCDC PLACES | 18.3% | 18.4% | Kailua + |
| Current SmokersCDC PLACES | 14.9% | 12.5% | St. Charles + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Kailua
69.3°F
St. Charles
N/A
Annual Precipitation
NOAA 1991–2020 normal
Kailua
107.9 in
St. Charles
N/A
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 69.3°F | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | 107.9 in | N/A | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Kailua
3.3 µg/m³
Kailua +
St. Charles
9.3 µg/m³
Good Air Days
AQI ≤ 50
Kailua
75.0%
Kailua +
St. Charles
55.0%
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 3.3 µg/m³ | 9.3 µg/m³ | Kailua + |
| Good Air DaysAQI ≤ 50 | 75.0% | 55.0% | Kailua + |
Commute
Mean Commute Time
Census ACS
Kailua
N/A
St. Charles
18.3 min
| Metric | Kailua, HI | St. Charles, MO | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | N/A | 18.3 min | - |
Which City is Right for You?
St. Charles offers more affordable housing with a median home price of $144,200. On public safety, Kailua is safer with a violent crime rate of 276 per 100,000 residents, compared to 501 in St. Charles. Kailua has cleaner air (PM2.5 avg 3.3 µg/m³). For overall health outcomes, Kailua scores better with a lower obesity rate of 26.5%.
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