Lancaster 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)

Lancaster, CA

California · Population: 170,013

  • Median HH Income$76,083
  • Median Home Price$466,147
  • Unemployment7.1%
  • Bachelor's+20.1%

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
Lancaster
170,013
Lancaster +
Naperville
149,424
Pop. Density / sq mi
Lower = more space
Lancaster
N/A
Naperville
N/A
Median Age
Lancaster
34.2
Lancaster +
Naperville
40.1
Foreign Born
Lancaster
13.9%
Naperville
22.6%
Naperville +
White
Lancaster
35.5%
Naperville
64.5%
Naperville +
Black
Lancaster
21.4%
Lancaster +
Naperville
4.4%
Asian
Lancaster
4.0%
Naperville
21.8%
Naperville +
Hispanic
Lancaster
45.9%
Lancaster +
Naperville
7.4%
Spanish at Home
Lancaster
N/A
Naperville
N/A

Economy

Median HH Income
Lancaster
$76,083
Naperville
$150,937
Naperville +
Per Capita Income
Lancaster
$29,766
Naperville
$71,011
Naperville +
Per Capita Personal Income (MSA)
BEA MSA-level
Lancaster
$77,230
Lancaster +
Naperville
$68,110
Unemployment Rate
Lancaster
7.1%
Naperville
4.2%
Naperville +
Poverty Rate
Lancaster
15.5%
Naperville
4.4%
Naperville +
Bachelor's Degree+
Lancaster
20.1%
Naperville
71.7%
Naperville +

Housing

Median Home Value
Zillow ZHVI / Census ACS
Lancaster
$466,147
Lancaster +
Naperville
$618,452
Homeownership Rate
Lancaster
58.4%
Naperville
74.3%
Naperville +

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Lancaster
503
Naperville
344
Naperville +
Property Crime / 100K
FBI CDE (state-level est.)
Lancaster
2388
Naperville
1842
Naperville +

Health

Obesity Rate
CDC PLACES
Lancaster
30.6%
Naperville
27.9%
Naperville +
Diabetes Rate
CDC PLACES
Lancaster
12.6%
Naperville
8.7%
Naperville +
Poor Mental Health
CDC PLACES — 14+ days/month
Lancaster
19.3%
Naperville
12.3%
Naperville +
No Health Insurance
CDC PLACES
Lancaster
12.9%
Naperville
4.6%
Naperville +
Binge Drinking
CDC PLACES
Lancaster
15.8%
Lancaster +
Naperville
16.7%
Current Smokers
CDC PLACES
Lancaster
14.0%
Naperville
7.4%
Naperville +

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Lancaster
62.1°F
Naperville
N/A
Annual Precipitation
NOAA 1991–2020 normal
Lancaster
7.4 in
Naperville
N/A

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Lancaster
7.9 µg/m³
Lancaster +
Naperville
9.4 µg/m³
Good Air Days
AQI ≤ 50
Lancaster
75.0%
Lancaster +
Naperville
55.0%

Commute

Mean Commute Time
Census ACS
Lancaster
33.0 min
Lancaster +
Naperville
33.8 min

Which City is Right for You?

Naperville leads in median household income at $150,937, while lancaster offers more affordable housing with a median home price of $466,147. On public safety, Naperville is safer with a violent crime rate of 344 per 100,000 residents, compared to 503 in Lancaster. Naperville has a lower unemployment rate at 4.2%, and Lancaster has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Naperville scores better with a lower obesity rate of 27.9%.

Compare More Cities

About Lancaster & Naperville