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US relocation · 2026

Illinois flagChicago → Illinois flagNaperville

At $100,000 gross, you’d need about $92,308 in Naperville to match Chicago purchasing power — and same-gross take-home shifts by +$0/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Naperville leads

City COL moves -9 from Chicago (117) to Naperville (108). Parent median income delta (Illinois → Illinois): +$0. At $100,000 gross: equivalent salary ~$92,308; same-gross take-home +$0/year.

Side-by-side city scoreboard

Chicago

85

Purchasing power index · 100 = national avg

COL index
117
Parent median income
77,800 USD
Sales tax
~8.98%
Property tax
~1.88%
Income tax
Taxed
$100k take-home
$74,230
Open calculator →

Naperville

93

Purchasing power index · 100 = national avg

COL index
108
Parent median income
77,800 USD
Sales tax
~8.98%
Property tax
~1.88%
Income tax
Taxed
$100k take-home
$74,230
Open calculator →
●Example scenario: $100,000 gross (Single filer, 2026)
Illustrative numbers only—same formulas as the calculator. Take-home rows assume you earn the scenario gross while living in each city (local taxes apply). Below the tables, use “Open calculator — personalize results” to enter your salary, filing status, rent or buy, and more—the full tool uses this same city pair.

Salary & estimated take-home (USD)

Annual gross (scenario)

Chicago

$100,000

Naperville

$100,000

Est. annual take-home

Chicago

$74,230

Naperville

$74,230

Approx. combined tax + payroll burden

Chicago

25.8%

Naperville

25.8%

Take-home difference at same gross

+$0 / yr in Naperville vs Chicago

Equivalent gross for same lifestyle (COL-adjusted)

Naperville only

$92,308

Change vs scenario gross

Naperville only

-7.7%

Est. take-home at equivalent gross

Naperville only

$69,199

Burden at equivalent gross

Naperville only

25%

Snapshot: how to read this move ($100,000 scenario)

  • Monthly take-home at the same gross. At $100,000/year, estimated take-home is about $6,186/mo in Chicago vs $6,186/mo in Naperville—roughly +$0/mo more in Naperville before housing ($0/yr annualized).

  • Cost of living vs taxes. Our benchmark COL index is 117 for Chicago and 108 for Naperville (100 = national average). The destination is about -7.7% less expensive than the origin for that basket—then state/province and payroll taxes shift take-home further.

  • Equivalent salary to keep the same lifestyle. To match purchasing power after COL, the model suggests about $92,308/yr gross in Naperville (~$7,692/mo), with estimated take-home around $5,767/mo. Versus estimated take-home in Chicago at the scenario gross, that is about -6.8% (by design, equivalent gross targets similar real spending power after COL and taxes; exact match varies with rounding).

  • Cash after typical 1BR rent (illustrative). Using average 1-bedroom rent in the housing table, roughly $4,376/mo is left after rent in Chicago at the scenario gross vs $4,686/mo in Naperville at the same gross. At the equivalent gross in Naperville, about $4,267/mo after rent. Typical rent differs by about $310/mo between the two cities in our data.

Figures use the same tax and COL engine as the calculator; your household, deductions, and neighborhood can change outcomes. Use the calculator below for your exact salary and housing choice.

Housing snapshot · average rent · 1-bedroom apartment

Typical monthly rent

Chicago

$1,810

Naperville

$1,500

Rent as % of scenario gross ($100,000/yr)

Chicago

21.7%

Naperville

18.0%

Rent as % of equivalent gross (Naperville)

Naperville only

19.5%

Rent benchmarks are city-level estimates; neighborhoods vary. Mortgage (buy) and other home sizes are available in the full calculator.

Housing: Chicago → Naperville

Approximate median monthly rents for the primary metros in Chicago and Naperville. Negative delta means housing is cheaper in Naperville. Figures are planning estimates — neighborhoods vary.

1BR rent delta / yr

−$3,720

1BR % of $100k (Chicago)

21.7%

$1,810/mo

1BR % of $100k (Naperville)

18%

$1,500/mo

Property tax (effective)

~1.88% → ~1.88%

Chicago → Naperville

At COL-equivalent salary in Naperville, 1BR rent is about 19.5% of gross — vs 18% if you keep $100,000 gross.

Apartment rent (monthly)

SizeChicagoNapervilleDelta / mo
Studio$1,550$1,340−$210
1 bedroom$1,810$1,500−$310
2 bedroom$2,200$1,800−$400
3 bedroom$2,800$2,300−$500

House rent (monthly)

SizeChicagoNapervilleDelta / mo
2 bedroom$2,300$1,950−$350
3 bedroom$3,000$2,400−$600
4 bedroom$3,700$3,000−$700

Buy instead? Est. mortgage (3BR house)

Chicago payment

$3,449/mo

Naperville payment

$2,759/mo

Payment delta

−$690

Est. purchase price

$648,000 → $518,400

Illustrative P&I only: 20% down, 7% APR, 30-year fixed. Price ≈ annual rent × 18 (price-to-rent). Taxes, insurance, and HOA not included — open the calculator Housing section to adjust.

Sources: approximate metro medians (Zillow / Zumper-style US benchmarks; CMHC-style for Canada). Property tax rates are statewide effective averages. Personalize unit size, rent vs buy, and down payment in the relocation calculator.

Model housing for Chicago → Naperville

Key takeaways — Chicago → Naperville

  • Naperville has a city cost-of-living index of 108 vs 117 in Chicago (national average = 100) — about 8% cheaper on our index.
  • At $100,000 gross (Single filer), roughly $92,308 in Naperville matches Chicago purchasing power (-7.7% COL-adjusted).
  • Keeping the same $100,000 gross, estimated take-home shifts by about +$0/year (Chicago → Naperville) after federal, state, and FICA taxes.
  • Illustrative 1-bedroom rent: ~$1,810/mo in Chicago vs ~$1,500/mo in Naperville (−$3,720/year).
  • Quality-of-life snapshot (indicative): overall 45 in Chicago vs 53 in Naperville — higher safety & better weather in the new city.

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Estimates for planning only. Cost-of-living indices and tax rules change; verify with local sources or a professional before relocating.