Naperville IL vs Wilmington DE — 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%
Wilmington, DE
Delaware · Population: 71,124
- Median HH Income$55,269
- Median Home Price$327,117
- Unemployment7.6%
- Bachelor's+33.1%
Detailed Comparison
Demographics
Population
Naperville
149,424
Naperville +
Wilmington
71,124
Pop. Density / sq mi
Lower = more space
Naperville
N/A
Wilmington
N/A
Median Age
Naperville
40.1
Wilmington
37.0
Wilmington +
Foreign Born
Naperville
22.6%
Naperville +
Wilmington
8.3%
White
Naperville
64.5%
Naperville +
Wilmington
32.4%
Black
Naperville
4.4%
Wilmington
52.3%
Wilmington +
Asian
Naperville
21.8%
Naperville +
Wilmington
1.6%
Hispanic
Naperville
7.4%
Wilmington
11.8%
Wilmington +
Spanish at Home
Naperville
N/A
Wilmington
N/A
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Population | 149,424 | 71,124 | Naperville + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 40.1 | 37.0 | Wilmington + |
| Foreign Born | 22.6% | 8.3% | Naperville + |
| White | 64.5% | 32.4% | Naperville + |
| Black | 4.4% | 52.3% | Wilmington + |
| Asian | 21.8% | 1.6% | Naperville + |
| Hispanic | 7.4% | 11.8% | Wilmington + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Naperville
$150,937
Naperville +
Wilmington
$55,269
Per Capita Income
Naperville
$71,011
Naperville +
Wilmington
$38,786
Per Capita Personal Income (MSA)
BEA MSA-level
Naperville
$68,110
Naperville +
Wilmington
$64,087
Unemployment Rate
Naperville
4.2%
Naperville +
Wilmington
7.6%
Poverty Rate
Naperville
4.4%
Naperville +
Wilmington
23.2%
Bachelor's Degree+
Naperville
71.7%
Naperville +
Wilmington
33.1%
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Median HH Income | $150,937 | $55,269 | Naperville + |
| Per Capita Income | $71,011 | $38,786 | Naperville + |
| Per Capita Personal Income (MSA)BEA MSA-level | $68,110 | $64,087 | Naperville + |
| Unemployment Rate | 4.2% | 7.6% | Naperville + |
| Poverty Rate | 4.4% | 23.2% | Naperville + |
| Bachelor's Degree+ | 71.7% | 33.1% | Naperville + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Naperville
$618,452
Wilmington
$327,117
Wilmington +
Homeownership Rate
Naperville
74.3%
Naperville +
Wilmington
46.0%
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $618,452 | $327,117 | Wilmington + |
| Homeownership Rate | 74.3% | 46.0% | Naperville + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Naperville
344
Naperville +
Wilmington
394
Property Crime / 100K
FBI CDE (state-level est.)
Naperville
1842
Naperville +
Wilmington
1991
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 344 | 394 | Naperville + |
| Property Crime / 100KFBI CDE (state-level est.) | 1842 | 1991 | Naperville + |
Health
Obesity Rate
CDC PLACES
Naperville
27.9%
Naperville +
Wilmington
41.0%
Diabetes Rate
CDC PLACES
Naperville
8.7%
Naperville +
Wilmington
16.0%
Poor Mental Health
CDC PLACES — 14+ days/month
Naperville
12.3%
Naperville +
Wilmington
18.4%
No Health Insurance
CDC PLACES
Naperville
4.6%
Naperville +
Wilmington
12.7%
Binge Drinking
CDC PLACES
Naperville
16.7%
Wilmington
13.5%
Wilmington +
Current Smokers
CDC PLACES
Naperville
7.4%
Naperville +
Wilmington
16.4%
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 27.9% | 41.0% | Naperville + |
| Diabetes RateCDC PLACES | 8.7% | 16.0% | Naperville + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 12.3% | 18.4% | Naperville + |
| No Health InsuranceCDC PLACES | 4.6% | 12.7% | Naperville + |
| Binge DrinkingCDC PLACES | 16.7% | 13.5% | Wilmington + |
| Current SmokersCDC PLACES | 7.4% | 16.4% | Naperville + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Naperville
N/A
Wilmington
54.4°F
Annual Precipitation
NOAA 1991–2020 normal
Naperville
N/A
Wilmington
49.3 in
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | 54.4°F | - |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | 49.3 in | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Naperville
9.4 µg/m³
Wilmington
8.8 µg/m³
Wilmington +
Good Air Days
AQI ≤ 50
Naperville
55.0%
Wilmington
75.0%
Wilmington +
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 9.4 µg/m³ | 8.8 µg/m³ | Wilmington + |
| Good Air DaysAQI ≤ 50 | 55.0% | 75.0% | Wilmington + |
Commute
Mean Commute Time
Census ACS
Naperville
33.8 min
Wilmington
25.0 min
Wilmington +
| Metric | Naperville, IL | Wilmington, DE | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 33.8 min | 25.0 min | Wilmington + |
Which City is Right for You?
Naperville leads in median household income at $150,937, while wilmington offers more affordable housing with a median home price of $327,117. On public safety, Naperville is safer with a violent crime rate of 344 per 100,000 residents, compared to 394 in Wilmington. Naperville has a lower unemployment rate at 4.2%, and Wilmington has cleaner air (PM2.5 avg 8.8 µg/m³). For overall health outcomes, Naperville scores better with a lower obesity rate of 27.9%.
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