Naperville IL vs Thousand Oaks CA — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Naperville, IL
Illinois · Population: 149,424
- Median HH Income$150,937
- Median Home Price$618,452
- Unemployment4.2%
- Bachelor's+71.7%
Thousand Oaks, CA
California · Population: N/A
- Median HH IncomeN/A
- Median Home Price$1,053,424
- UnemploymentN/A
- Bachelor's+N/A
Detailed Comparison
Demographics
Population
Naperville
149,424
Thousand Oaks
N/A
Pop. Density / sq mi
Lower = more space
Naperville
N/A
Thousand Oaks
N/A
Median Age
Naperville
40.1
Thousand Oaks
N/A
Foreign Born
Naperville
22.6%
Thousand Oaks
N/A
White
Naperville
64.5%
Thousand Oaks
N/A
Black
Naperville
4.4%
Thousand Oaks
N/A
Asian
Naperville
21.8%
Thousand Oaks
N/A
Hispanic
Naperville
7.4%
Thousand Oaks
N/A
Spanish at Home
Naperville
N/A
Thousand Oaks
N/A
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Population | 149,424 | N/A | - |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 40.1 | N/A | - |
| Foreign Born | 22.6% | N/A | - |
| White | 64.5% | N/A | - |
| Black | 4.4% | N/A | - |
| Asian | 21.8% | N/A | - |
| Hispanic | 7.4% | N/A | - |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Naperville
$150,937
Thousand Oaks
N/A
Per Capita Income
Naperville
$71,011
Thousand Oaks
N/A
Per Capita Personal Income (MSA)
BEA MSA-level
Naperville
$68,110
Thousand Oaks
$77,230
Thousand Oaks +
Unemployment Rate
Naperville
4.2%
Thousand Oaks
N/A
Poverty Rate
Naperville
4.4%
Thousand Oaks
N/A
Bachelor's Degree+
Naperville
71.7%
Thousand Oaks
N/A
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Median HH Income | $150,937 | N/A | - |
| Per Capita Income | $71,011 | N/A | - |
| Per Capita Personal Income (MSA)BEA MSA-level | $68,110 | $77,230 | Thousand Oaks + |
| Unemployment Rate | 4.2% | N/A | - |
| Poverty Rate | 4.4% | N/A | - |
| Bachelor's Degree+ | 71.7% | N/A | - |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Naperville
$618,452
Naperville +
Thousand Oaks
$1,053,424
Homeownership Rate
Naperville
74.3%
Thousand Oaks
N/A
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $618,452 | $1,053,424 | Naperville + |
| Homeownership Rate | 74.3% | N/A | - |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Naperville
344
Naperville +
Thousand Oaks
503
Property Crime / 100K
FBI CDE (state-level est.)
Naperville
1842
Naperville +
Thousand Oaks
2388
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 344 | 503 | Naperville + |
| Property Crime / 100KFBI CDE (state-level est.) | 1842 | 2388 | Naperville + |
Health
Obesity Rate
CDC PLACES
Naperville
27.9%
Thousand Oaks
23.0%
Thousand Oaks +
Diabetes Rate
CDC PLACES
Naperville
8.7%
Naperville +
Thousand Oaks
10.1%
Poor Mental Health
CDC PLACES — 14+ days/month
Naperville
12.3%
Naperville +
Thousand Oaks
15.0%
No Health Insurance
CDC PLACES
Naperville
4.6%
Naperville +
Thousand Oaks
5.8%
Binge Drinking
CDC PLACES
Naperville
16.7%
Thousand Oaks
15.7%
Thousand Oaks +
Current Smokers
CDC PLACES
Naperville
7.4%
Naperville +
Thousand Oaks
8.6%
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 27.9% | 23.0% | Thousand Oaks + |
| Diabetes RateCDC PLACES | 8.7% | 10.1% | Naperville + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 12.3% | 15.0% | Naperville + |
| No Health InsuranceCDC PLACES | 4.6% | 5.8% | Naperville + |
| Binge DrinkingCDC PLACES | 16.7% | 15.7% | Thousand Oaks + |
| Current SmokersCDC PLACES | 7.4% | 8.6% | Naperville + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Naperville
N/A
Thousand Oaks
62.7°F
Annual Precipitation
NOAA 1991–2020 normal
Naperville
N/A
Thousand Oaks
16.5 in
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | 62.7°F | - |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | 16.5 in | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Naperville
9.4 µg/m³
Thousand Oaks
7.9 µg/m³
Thousand Oaks +
Good Air Days
AQI ≤ 50
Naperville
55.0%
Thousand Oaks
75.0%
Thousand Oaks +
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 9.4 µg/m³ | 7.9 µg/m³ | Thousand Oaks + |
| Good Air DaysAQI ≤ 50 | 55.0% | 75.0% | Thousand Oaks + |
Commute
Mean Commute Time
Census ACS
Naperville
33.8 min
Thousand Oaks
N/A
| Metric | Naperville, IL | Thousand Oaks, CA | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 33.8 min | N/A | - |
Which City is Right for You?
Naperville offers more affordable housing with a median home price of $618,452. On public safety, Naperville is safer with a violent crime rate of 344 per 100,000 residents, compared to 503 in Thousand Oaks. Thousand Oaks has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Thousand Oaks scores better with a lower obesity rate of 23.0%.
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