Fremont CA vs Naperville IL — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Fremont, CA
California · Population: 228,518
- Median HH Income$176,350
- Median Home Price$1,538,830
- Unemployment4.3%
- Bachelor's+62.7%
Naperville, IL
Illinois · Population: 149,424
- Median HH Income$150,937
- Median Home Price$618,452
- Unemployment4.2%
- Bachelor's+71.7%
Detailed Comparison
Demographics
Population
Fremont
228,518
Fremont +
Naperville
149,424
Pop. Density / sq mi
Lower = more space
Fremont
N/A
Naperville
N/A
Median Age
Fremont
38.8
Fremont +
Naperville
40.1
Foreign Born
Fremont
50.1%
Fremont +
Naperville
22.6%
White
Fremont
19.4%
Naperville
64.5%
Naperville +
Black
Fremont
2.9%
Naperville
4.4%
Naperville +
Asian
Fremont
62.5%
Fremont +
Naperville
21.8%
Hispanic
Fremont
12.9%
Fremont +
Naperville
7.4%
Spanish at Home
Fremont
N/A
Naperville
N/A
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Population | 228,518 | 149,424 | Fremont + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 38.8 | 40.1 | Fremont + |
| Foreign Born | 50.1% | 22.6% | Fremont + |
| White | 19.4% | 64.5% | Naperville + |
| Black | 2.9% | 4.4% | Naperville + |
| Asian | 62.5% | 21.8% | Fremont + |
| Hispanic | 12.9% | 7.4% | Fremont + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Fremont
$176,350
Fremont +
Naperville
$150,937
Per Capita Income
Fremont
$73,378
Fremont +
Naperville
$71,011
Per Capita Personal Income (MSA)
BEA MSA-level
Fremont
$77,230
Fremont +
Naperville
$68,110
Unemployment Rate
Fremont
4.3%
Naperville
4.2%
Naperville +
Poverty Rate
Fremont
5.1%
Naperville
4.4%
Naperville +
Bachelor's Degree+
Fremont
62.7%
Naperville
71.7%
Naperville +
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Median HH Income | $176,350 | $150,937 | Fremont + |
| Per Capita Income | $73,378 | $71,011 | Fremont + |
| Per Capita Personal Income (MSA)BEA MSA-level | $77,230 | $68,110 | Fremont + |
| Unemployment Rate | 4.3% | 4.2% | Naperville + |
| Poverty Rate | 5.1% | 4.4% | Naperville + |
| Bachelor's Degree+ | 62.7% | 71.7% | Naperville + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Fremont
$1,538,830
Naperville
$618,452
Naperville +
Homeownership Rate
Fremont
60.2%
Naperville
74.3%
Naperville +
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $1,538,830 | $618,452 | Naperville + |
| Homeownership Rate | 60.2% | 74.3% | Naperville + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Fremont
503
Naperville
344
Naperville +
Property Crime / 100K
FBI CDE (state-level est.)
Fremont
2388
Naperville
1842
Naperville +
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 503 | 344 | Naperville + |
| Property Crime / 100KFBI CDE (state-level est.) | 2388 | 1842 | Naperville + |
Health
Obesity Rate
CDC PLACES
Fremont
17.3%
Fremont +
Naperville
27.9%
Diabetes Rate
CDC PLACES
Fremont
9.8%
Naperville
8.7%
Naperville +
Poor Mental Health
CDC PLACES — 14+ days/month
Fremont
12.7%
Naperville
12.3%
Naperville +
No Health Insurance
CDC PLACES
Fremont
4.9%
Naperville
4.6%
Naperville +
Binge Drinking
CDC PLACES
Fremont
13.9%
Fremont +
Naperville
16.7%
Current Smokers
CDC PLACES
Fremont
7.3%
Fremont +
Naperville
7.4%
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 17.3% | 27.9% | Fremont + |
| Diabetes RateCDC PLACES | 9.8% | 8.7% | Naperville + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 12.7% | 12.3% | Naperville + |
| No Health InsuranceCDC PLACES | 4.9% | 4.6% | Naperville + |
| Binge DrinkingCDC PLACES | 13.9% | 16.7% | Fremont + |
| Current SmokersCDC PLACES | 7.3% | 7.4% | Fremont + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Fremont
59.6°F
Naperville
N/A
Annual Precipitation
NOAA 1991–2020 normal
Fremont
16.7 in
Naperville
N/A
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 59.6°F | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | 16.7 in | N/A | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Fremont
7.9 µg/m³
Fremont +
Naperville
9.4 µg/m³
Good Air Days
AQI ≤ 50
Fremont
75.0%
Fremont +
Naperville
55.0%
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 7.9 µg/m³ | 9.4 µg/m³ | Fremont + |
| Good Air DaysAQI ≤ 50 | 75.0% | 55.0% | Fremont + |
Commute
Mean Commute Time
Census ACS
Fremont
33.9 min
Naperville
33.8 min
Naperville +
| Metric | Fremont, CA | Naperville, IL | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 33.9 min | 33.8 min | Naperville + |
Which City is Right for You?
Fremont leads in median household income at $176,350, 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 Fremont. Naperville has a lower unemployment rate at 4.2%, and Fremont has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Fremont scores better with a lower obesity rate of 17.3%.
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