Monthly estimate = 1BR rent + electricity + gas
A one-person monthly baseline (1BR rent plus typical utilities) runs $1,100 in Missoula, MT versus $1,800 in Naperville, IL. Overall, Missoula, MT is roughly 39% cheaper to live in day-to-day than Naperville, IL, driven mainly by rent.
Median household income is $65,329 in Missoula, MT and $150,937 in Naperville, IL — about 57% higher in Naperville, IL. Montana has a top state income tax rate of 5.65% and no state sales tax; Illinois has 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: Rocky Mountain (PADD 4) vs Midwest (PADD 2).
Utilities
Residential, state-level averages (EIA). MCF = 1,000 cubic feet.
Groceries
Average prices — West vs Midwest (BLS). Regional where available, otherwise U.S. average.
State Taxes
Missoula vs Naperville — FAQ
- Is it cheaper to live in Missoula or Naperville?
- Missoula, MT is cheaper. Its monthly baseline of $1,100 (1BR rent + utilities) runs about 39% below Naperville, IL's $1,800, mainly because of rent.
- How much more do you need to earn to live in Missoula than in Naperville?
- To keep rent near the recommended 30% of gross income, you'd want to earn roughly $38,000 a year in Missoula versus $64,000 in Naperville.
- Which has lower taxes, Missoula or Naperville?
- Missoula is taxed under Montana's rules (a top state income tax rate of 5.65% and no state sales tax); Naperville under Illinois's (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).