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US relocation · 2026

Arizona flagArizona → Montana flagMontana

At $100,000 gross, you’d need about $88,785 in Montana to match Arizona purchasing power — and same-gross take-home shifts by −$2,289/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Montana leads

COL index moves -1.7 from Arizona (107.6) to Montana (105.9). Median household income delta: −$2,400 (71,200 USD → 68,800 USD). At $100,000 gross (Phoenix → Billings): equivalent salary ~$88,785; same-gross take-home −$2,289/year.

Side-by-side state scoreboard

Arizona

93

Purchasing power index · 100 = national avg

COL index
107.6
Median income
71,200 USD
Sales tax
~8.54%
Property tax
~0.48%
Income tax
Taxed
$100k take-home
$76,680
Arizona calculator →

Montana

94

Purchasing power index · 100 = national avg

COL index
105.9
Median income
68,800 USD
Sales tax
~0%
Property tax
~0.61%
Income tax
Taxed
$100k take-home
$74,391
Montana calculator →

$100k example: Phoenix → Billings

Single filer, tax year 2026. Equivalent salary adjusts for city cost of living; take-home uses our federal + state + payroll engine.

Equivalent gross needed

$88,785

-11.2% vs current

Take-home in Phoenix

$76,680

Take-home in Billings (same gross)

$74,391

Same-gross delta

−$2,289

1BR rent: $1,420/mo → $950/mo
Personalize this city pair

Housing: Phoenix → Billings

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

1BR rent delta / yr

−$5,640

1BR % of $100k (Phoenix)

17%

$1,420/mo

1BR % of $100k (Billings)

11.4%

$950/mo

Property tax (effective)

~0.48% → ~0.61%

Arizona → Montana

At COL-equivalent salary in Billings, 1BR rent is about 12.8% of gross — vs 11.4% if you keep $100,000 gross.

Apartment rent (monthly)

SizePhoenixBillingsDelta / mo
Studio$1,200$780−$420
1 bedroom$1,420$950−$470
2 bedroom$1,750$1,180−$570
3 bedroom$2,200$1,480−$720

House rent (monthly)

SizePhoenixBillingsDelta / mo
2 bedroom$1,900$1,280−$620
3 bedroom$2,400$1,580−$820
4 bedroom$3,000$1,980−$1,020

Buy instead? Est. mortgage (3BR house)

Phoenix payment

$2,759/mo

Billings payment

$1,816/mo

Payment delta

−$943

Est. purchase price

$518,400 → $341,280

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 → Billings

City-to-city comparisons

Run the calculator for Arizona → Montana

Equivalent salary and after-tax take-home need specific metros. Pick a pair to pre-fill the relocation calculator, or open it blank.

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Dig into taxes, rank all states, or flip the move direction.

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