Louisville KY 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)
Louisville, KY
Kentucky · Population: 627,210
- Median HH Income$64,731
- Median Home Price$264,957
- Unemployment5.0%
- Bachelor's+33.4%
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
Louisville
627,210
Louisville +
Naperville
149,424
Pop. Density / sq mi
Lower = more space
Louisville
N/A
Naperville
N/A
Median Age
Louisville
37.7
Louisville +
Naperville
40.1
Foreign Born
Louisville
9.8%
Naperville
22.6%
Naperville +
White
Louisville
63.1%
Naperville
64.5%
Naperville +
Black
Louisville
23.7%
Louisville +
Naperville
4.4%
Asian
Louisville
2.6%
Naperville
21.8%
Naperville +
Hispanic
Louisville
8.6%
Louisville +
Naperville
7.4%
Spanish at Home
Louisville
N/A
Naperville
N/A
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Population | 627,210 | 149,424 | Louisville + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 37.7 | 40.1 | Louisville + |
| Foreign Born | 9.8% | 22.6% | Naperville + |
| White | 63.1% | 64.5% | Naperville + |
| Black | 23.7% | 4.4% | Louisville + |
| Asian | 2.6% | 21.8% | Naperville + |
| Hispanic | 8.6% | 7.4% | Louisville + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Louisville
$64,731
Naperville
$150,937
Naperville +
Per Capita Income
Louisville
$38,890
Naperville
$71,011
Naperville +
Per Capita Personal Income (MSA)
BEA MSA-level
Louisville
$52,606
Naperville
$68,110
Naperville +
Unemployment Rate
Louisville
5.0%
Naperville
4.2%
Naperville +
Poverty Rate
Louisville
16.1%
Naperville
4.4%
Naperville +
Bachelor's Degree+
Louisville
33.4%
Naperville
71.7%
Naperville +
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Median HH Income | $64,731 | $150,937 | Naperville + |
| Per Capita Income | $38,890 | $71,011 | Naperville + |
| Per Capita Personal Income (MSA)BEA MSA-level | $52,606 | $68,110 | Naperville + |
| Unemployment Rate | 5.0% | 4.2% | Naperville + |
| Poverty Rate | 16.1% | 4.4% | Naperville + |
| Bachelor's Degree+ | 33.4% | 71.7% | Naperville + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Louisville
$264,957
Louisville +
Naperville
$618,452
Homeownership Rate
Louisville
60.6%
Naperville
74.3%
Naperville +
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $264,957 | $618,452 | Louisville + |
| Homeownership Rate | 60.6% | 74.3% | Naperville + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Louisville
223
Louisville +
Naperville
344
Property Crime / 100K
FBI CDE (state-level est.)
Louisville
1505
Louisville +
Naperville
1842
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 223 | 344 | Louisville + |
| Property Crime / 100KFBI CDE (state-level est.) | 1505 | 1842 | Louisville + |
Health
Obesity Rate
CDC PLACES
Louisville
N/A
Naperville
27.9%
Diabetes Rate
CDC PLACES
Louisville
N/A
Naperville
8.7%
Poor Mental Health
CDC PLACES — 14+ days/month
Louisville
N/A
Naperville
12.3%
No Health Insurance
CDC PLACES
Louisville
N/A
Naperville
4.6%
Binge Drinking
CDC PLACES
Louisville
N/A
Naperville
16.7%
Current Smokers
CDC PLACES
Louisville
N/A
Naperville
7.4%
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | N/A | 27.9% | - |
| Diabetes RateCDC PLACES | N/A | 8.7% | - |
| Poor Mental HealthCDC PLACES — 14+ days/month | N/A | 12.3% | - |
| No Health InsuranceCDC PLACES | N/A | 4.6% | - |
| Binge DrinkingCDC PLACES | N/A | 16.7% | - |
| Current SmokersCDC PLACES | N/A | 7.4% | - |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Louisville
N/A
Naperville
N/A
Annual Precipitation
NOAA 1991–2020 normal
Louisville
43.3 in
Naperville
N/A
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | 43.3 in | N/A | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Louisville
8.6 µg/m³
Louisville +
Naperville
9.4 µg/m³
Good Air Days
AQI ≤ 50
Louisville
75.0%
Louisville +
Naperville
55.0%
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 8.6 µg/m³ | 9.4 µg/m³ | Louisville + |
| Good Air DaysAQI ≤ 50 | 75.0% | 55.0% | Louisville + |
Commute
Mean Commute Time
Census ACS
Louisville
24.2 min
Louisville +
Naperville
33.8 min
| Metric | Louisville, KY | Naperville, IL | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 24.2 min | 33.8 min | Louisville + |
Which City is Right for You?
Naperville leads in median household income at $150,937, while louisville offers more affordable housing with a median home price of $264,957. On public safety, Louisville is safer with a violent crime rate of 223 per 100,000 residents, compared to 344 in Naperville. Naperville has a lower unemployment rate at 4.2%, and Louisville has cleaner air (PM2.5 avg 8.6 µg/m³).
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