Monthly estimate = 1BR rent + electricity + gas
A one-person monthly baseline (1BR rent plus typical utilities) runs $1,490 in Chicago, IL versus $1,830 in Naperville, IL. Overall, Chicago, IL is roughly 19% cheaper to live in day-to-day than Naperville, IL, driven mainly by rent.
Median household income is $75,134 in Chicago, IL and $150,937 in Naperville, IL — about 50% higher in Naperville, IL. Both cities are in Illinois, so state taxes are identical: a top state income tax rate of 4.95% and a 6.25% state sales tax.
Rent
Buying a Home
Income
People & Lifestyle
Crime (per 100k/yr)
FBI Crime Data Explorer. Offenses per 100,000 residents per year; agency reporting practices vary, so this is approximate.
Climate
Gas
Area: Chicago vs Midwest (PADD 2).
Public Transit
Adult base one-way fare — CTA vs — (2026).
Utilities
Residential, state-level averages (EIA). MCF = 1,000 cubic feet.
Groceries
Average prices — Midwest vs Midwest (BLS). Regional where available, otherwise U.S. average.
State Taxes
Chicago vs Naperville — FAQ
- Is it cheaper to live in Chicago or Naperville?
- Chicago, IL is cheaper. Its monthly baseline of $1,490 (1BR rent + utilities) runs about 19% below Naperville, IL's $1,830, mainly because of rent.
- How much more do you need to earn to live in Chicago than in Naperville?
- To keep rent near the recommended 30% of gross income, you'd want to earn roughly $50,000 a year in Chicago versus $64,000 in Naperville.
- Which has lower taxes, Chicago or Naperville?
- Neither — both are in Illinois, so they share the same state tax rates: a top state income tax rate of 4.95% and a 6.25% state sales tax.
Sources: US Census Bureau, ACS 5-Year (rent, income, home value, demographics); NOAA Climate Normals 1981–2010 (climate); EIA weekly retail (gas); Tax Foundation 2026 (state taxes).