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US relocation · 2026

Arizona flagPhoenix → Illinois flagNaperville

At $100,000 gross, you’d need about $100,935 in Naperville to match Phoenix purchasing power — and same-gross take-home shifts by −$2,450/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Phoenix and Naperville are tied

Both cities share a purchasing-power index of 93. Parent median income delta (Arizona → Illinois): +$6,600. At $100,000 gross: equivalent salary ~$100,935; same-gross take-home −$2,450/year.

Side-by-side city scoreboard

Phoenix

93

Purchasing power index · 100 = national avg

COL index
107
Parent median income
71,200 USD
Sales tax
~8.54%
Property tax
~0.48%
Income tax
Taxed
$100k take-home
$76,680
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)

Phoenix

$100,000

Naperville

$100,000

Est. annual take-home

Phoenix

$76,680

Naperville

$74,230

Approx. combined tax + payroll burden

Phoenix

23.3%

Naperville

25.8%

Take-home difference at same gross

$-2,450 / yr in Naperville vs Phoenix

Equivalent gross for same lifestyle (COL-adjusted)

Naperville only

$100,935

Change vs scenario gross

Naperville only

+0.9%

Est. take-home at equivalent gross

Naperville only

$74,841

Burden at equivalent gross

Naperville only

25.9%

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 $6,390/mo in Phoenix vs $6,186/mo in Naperville—roughly $204/mo less in Naperville before housing ($2,450/yr annualized).

  • Cost of living vs taxes. Our benchmark COL index is 107 for Phoenix and 108 for Naperville (100 = national average). The destination is about +0.9% more 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 $100,935/yr gross in Naperville (~$8,411/mo), with estimated take-home around $6,237/mo. Versus estimated take-home in Phoenix at the scenario gross, that is about -2.4% (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 $4,970/mo is left after rent in Phoenix at the scenario gross vs $4,686/mo in Naperville at the same gross. At the equivalent gross in Naperville, about $4,737/mo after rent. Typical rent differs by about +$80/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

Phoenix

$1,420

Naperville

$1,500

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

Phoenix

17.0%

Naperville

18.0%

Rent as % of equivalent gross (Naperville)

Naperville only

17.8%

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

Housing: Phoenix → Naperville

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

1BR rent delta / yr

+$960

1BR % of $100k (Phoenix)

17%

$1,420/mo

1BR % of $100k (Naperville)

18%

$1,500/mo

Property tax (effective)

~0.48% → ~1.88%

Phoenix → Naperville

At COL-equivalent salary in Naperville, 1BR rent is about 17.8% of gross — vs 18% if you keep $100,000 gross.

Apartment rent (monthly)

SizePhoenixNapervilleDelta / mo
Studio$1,200$1,340+$140
1 bedroom$1,420$1,500+$80
2 bedroom$1,750$1,800+$50
3 bedroom$2,200$2,300+$100

House rent (monthly)

SizePhoenixNapervilleDelta / mo
2 bedroom$1,900$1,950+$50
3 bedroom$2,400$2,400+$0
4 bedroom$3,000$3,000+$0

Buy instead? Est. mortgage (3BR house)

Phoenix payment

$2,759/mo

Naperville payment

$2,759/mo

Payment delta

+$0

Est. purchase price

$518,400 → $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 Phoenix → Naperville

Key takeaways — Phoenix → Naperville

  • Naperville has a city cost-of-living index of 108 vs 107 in Phoenix (national average = 100) — about 1% more expensive on our index.
  • At $100,000 gross (Single filer), roughly $100,935 in Naperville matches Phoenix purchasing power (+0.9% COL-adjusted).
  • Keeping the same $100,000 gross, estimated take-home shifts by about −$2,450/year (Phoenix → Naperville) after federal, state, and FICA taxes.
  • Parent-state paycheck model at $100k (single): Arizona ~$76,680 vs Illinois ~$74,230 (−$2,450/year) — city COL can still change the equivalent salary you need.
  • Illustrative 1-bedroom rent: ~$1,420/mo in Phoenix vs ~$1,500/mo in Naperville (+$960/year).
  • Quality-of-life snapshot (indicative): overall 63 in Phoenix vs 53 in Naperville — lower safety & worse 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.