Naperville IL vs Sunnyvale 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%
Sunnyvale, CA
California · Population: 153,455
- Median HH Income$181,862
- Median Home Price$2,144,024
- Unemployment4.1%
- Bachelor's+69.2%
Detailed Comparison
Demographics
Population
Naperville
149,424
Sunnyvale
153,455
Sunnyvale +
Pop. Density / sq mi
Lower = more space
Naperville
N/A
Sunnyvale
N/A
Median Age
Naperville
40.1
Sunnyvale
35.1
Sunnyvale +
Foreign Born
Naperville
22.6%
Sunnyvale
49.4%
Sunnyvale +
White
Naperville
64.5%
Naperville +
Sunnyvale
30.4%
Black
Naperville
4.4%
Naperville +
Sunnyvale
1.5%
Asian
Naperville
21.8%
Sunnyvale
49.4%
Sunnyvale +
Hispanic
Naperville
7.4%
Sunnyvale
16.7%
Sunnyvale +
Spanish at Home
Naperville
N/A
Sunnyvale
N/A
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| Population | 149,424 | 153,455 | Sunnyvale + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 40.1 | 35.1 | Sunnyvale + |
| Foreign Born | 22.6% | 49.4% | Sunnyvale + |
| White | 64.5% | 30.4% | Naperville + |
| Black | 4.4% | 1.5% | Naperville + |
| Asian | 21.8% | 49.4% | Sunnyvale + |
| Hispanic | 7.4% | 16.7% | Sunnyvale + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Naperville
$150,937
Sunnyvale
$181,862
Sunnyvale +
Per Capita Income
Naperville
$71,011
Sunnyvale
$95,752
Sunnyvale +
Per Capita Personal Income (MSA)
BEA MSA-level
Naperville
$68,110
Sunnyvale
$77,230
Sunnyvale +
Unemployment Rate
Naperville
4.2%
Sunnyvale
4.1%
Sunnyvale +
Poverty Rate
Naperville
4.4%
Naperville +
Sunnyvale
5.6%
Bachelor's Degree+
Naperville
71.7%
Naperville +
Sunnyvale
69.2%
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| Median HH Income | $150,937 | $181,862 | Sunnyvale + |
| Per Capita Income | $71,011 | $95,752 | Sunnyvale + |
| Per Capita Personal Income (MSA)BEA MSA-level | $68,110 | $77,230 | Sunnyvale + |
| Unemployment Rate | 4.2% | 4.1% | Sunnyvale + |
| Poverty Rate | 4.4% | 5.6% | Naperville + |
| Bachelor's Degree+ | 71.7% | 69.2% | Naperville + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Naperville
$618,452
Naperville +
Sunnyvale
$2,144,024
Homeownership Rate
Naperville
74.3%
Naperville +
Sunnyvale
43.8%
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $618,452 | $2,144,024 | Naperville + |
| Homeownership Rate | 74.3% | 43.8% | Naperville + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Naperville
344
Naperville +
Sunnyvale
503
Property Crime / 100K
FBI CDE (state-level est.)
Naperville
1842
Naperville +
Sunnyvale
2388
| Metric | Naperville, IL | Sunnyvale, 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%
Sunnyvale
19.7%
Sunnyvale +
Diabetes Rate
CDC PLACES
Naperville
8.7%
Sunnyvale
8.3%
Sunnyvale +
Poor Mental Health
CDC PLACES — 14+ days/month
Naperville
12.3%
Naperville +
Sunnyvale
12.9%
No Health Insurance
CDC PLACES
Naperville
4.6%
Naperville +
Sunnyvale
5.2%
Binge Drinking
CDC PLACES
Naperville
16.7%
Sunnyvale
13.5%
Sunnyvale +
Current Smokers
CDC PLACES
Naperville
7.4%
Sunnyvale
6.7%
Sunnyvale +
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 27.9% | 19.7% | Sunnyvale + |
| Diabetes RateCDC PLACES | 8.7% | 8.3% | Sunnyvale + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 12.3% | 12.9% | Naperville + |
| No Health InsuranceCDC PLACES | 4.6% | 5.2% | Naperville + |
| Binge DrinkingCDC PLACES | 16.7% | 13.5% | Sunnyvale + |
| Current SmokersCDC PLACES | 7.4% | 6.7% | Sunnyvale + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Naperville
N/A
Sunnyvale
N/A
Annual Precipitation
NOAA 1991–2020 normal
Naperville
N/A
Sunnyvale
N/A
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | N/A | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Naperville
9.4 µg/m³
Sunnyvale
7.9 µg/m³
Sunnyvale +
Good Air Days
AQI ≤ 50
Naperville
55.0%
Sunnyvale
75.0%
Sunnyvale +
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 9.4 µg/m³ | 7.9 µg/m³ | Sunnyvale + |
| Good Air DaysAQI ≤ 50 | 55.0% | 75.0% | Sunnyvale + |
Commute
Mean Commute Time
Census ACS
Naperville
33.8 min
Sunnyvale
25.3 min
Sunnyvale +
| Metric | Naperville, IL | Sunnyvale, CA | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 33.8 min | 25.3 min | Sunnyvale + |
Which City is Right for You?
Sunnyvale leads in median household income at $181,862, while 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 Sunnyvale. Sunnyvale has a lower unemployment rate at 4.1%, and Sunnyvale has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Sunnyvale scores better with a lower obesity rate of 19.7%.
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