Centennial CO 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)
Centennial, CO
Colorado · Population: N/A
- Median HH IncomeN/A
- Median Home Price$650,791
- UnemploymentN/A
- Bachelor's+N/A
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
Centennial
N/A
Naperville
149,424
Pop. Density / sq mi
Lower = more space
Centennial
N/A
Naperville
N/A
Median Age
Centennial
N/A
Naperville
40.1
Foreign Born
Centennial
N/A
Naperville
22.6%
White
Centennial
N/A
Naperville
64.5%
Black
Centennial
N/A
Naperville
4.4%
Asian
Centennial
N/A
Naperville
21.8%
Hispanic
Centennial
N/A
Naperville
7.4%
Spanish at Home
Centennial
N/A
Naperville
N/A
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Population | N/A | 149,424 | - |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | N/A | 40.1 | - |
| Foreign Born | N/A | 22.6% | - |
| White | N/A | 64.5% | - |
| Black | N/A | 4.4% | - |
| Asian | N/A | 21.8% | - |
| Hispanic | N/A | 7.4% | - |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Centennial
N/A
Naperville
$150,937
Per Capita Income
Centennial
N/A
Naperville
$71,011
Per Capita Personal Income (MSA)
BEA MSA-level
Centennial
$76,653
Centennial +
Naperville
$68,110
Unemployment Rate
Centennial
N/A
Naperville
4.2%
Poverty Rate
Centennial
N/A
Naperville
4.4%
Bachelor's Degree+
Centennial
N/A
Naperville
71.7%
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Median HH Income | N/A | $150,937 | - |
| Per Capita Income | N/A | $71,011 | - |
| Per Capita Personal Income (MSA)BEA MSA-level | $76,653 | $68,110 | Centennial + |
| Unemployment Rate | N/A | 4.2% | - |
| Poverty Rate | N/A | 4.4% | - |
| Bachelor's Degree+ | N/A | 71.7% | - |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Centennial
$650,791
Naperville
$618,452
Naperville +
Homeownership Rate
Centennial
N/A
Naperville
74.3%
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $650,791 | $618,452 | Naperville + |
| Homeownership Rate | N/A | 74.3% | - |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Centennial
512
Naperville
344
Naperville +
Property Crime / 100K
FBI CDE (state-level est.)
Centennial
3234
Naperville
1842
Naperville +
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 512 | 344 | Naperville + |
| Property Crime / 100KFBI CDE (state-level est.) | 3234 | 1842 | Naperville + |
Health
Obesity Rate
CDC PLACES
Centennial
23.1%
Centennial +
Naperville
27.9%
Diabetes Rate
CDC PLACES
Centennial
7.3%
Centennial +
Naperville
8.7%
Poor Mental Health
CDC PLACES — 14+ days/month
Centennial
13.9%
Naperville
12.3%
Naperville +
No Health Insurance
CDC PLACES
Centennial
6.9%
Naperville
4.6%
Naperville +
Binge Drinking
CDC PLACES
Centennial
18.5%
Naperville
16.7%
Naperville +
Current Smokers
CDC PLACES
Centennial
8.0%
Naperville
7.4%
Naperville +
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 23.1% | 27.9% | Centennial + |
| Diabetes RateCDC PLACES | 7.3% | 8.7% | Centennial + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 13.9% | 12.3% | Naperville + |
| No Health InsuranceCDC PLACES | 6.9% | 4.6% | Naperville + |
| Binge DrinkingCDC PLACES | 18.5% | 16.7% | Naperville + |
| Current SmokersCDC PLACES | 8.0% | 7.4% | Naperville + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Centennial
49.6°F
Naperville
N/A
Annual Precipitation
NOAA 1991–2020 normal
Centennial
17.4 in
Naperville
N/A
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 49.6°F | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | 17.4 in | N/A | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Centennial
6.2 µg/m³
Centennial +
Naperville
9.4 µg/m³
Good Air Days
AQI ≤ 50
Centennial
75.0%
Centennial +
Naperville
55.0%
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 6.2 µg/m³ | 9.4 µg/m³ | Centennial + |
| Good Air DaysAQI ≤ 50 | 75.0% | 55.0% | Centennial + |
Commute
Mean Commute Time
Census ACS
Centennial
N/A
Naperville
33.8 min
| Metric | Centennial, CO | Naperville, IL | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | N/A | 33.8 min | - |
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 512 in Centennial. Centennial has cleaner air (PM2.5 avg 6.2 µg/m³). For overall health outcomes, Centennial scores better with a lower obesity rate of 23.1%.
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