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US relocation · 2026

Pennsylvania flagPennsylvania → Montana flagMontana

At $100,000 gross, you’d need about $89,623 in Montana to match Pennsylvania purchasing power — and same-gross take-home shifts by −$1,719/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Pennsylvania leads

COL index moves +9.7 from Pennsylvania (96.2) to Montana (105.9). Median household income delta: −$4,000 (72,800 USD → 68,800 USD). At $100,000 gross (Philadelphia → Billings): equivalent salary ~$89,623; same-gross take-home −$1,719/year.

Side-by-side state scoreboard

Pennsylvania

104

Purchasing power index · 100 = national avg

COL index
96.2
Median income
72,800 USD
Sales tax
~6.34%
Property tax
~1.26%
Income tax
Taxed
$100k take-home
$76,110
Pennsylvania 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: Philadelphia → 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

$89,623

-10.4% vs current

Take-home in Philadelphia

$76,110

Take-home in Billings (same gross)

$74,391

Same-gross delta

−$1,719

1BR rent: $1,550/mo → $950/mo
Personalize this city pair

Housing: Philadelphia → Billings

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

1BR rent delta / yr

−$7,200

1BR % of $100k (Philadelphia)

18.6%

$1,550/mo

1BR % of $100k (Billings)

11.4%

$950/mo

Property tax (effective)

~1.26% → ~0.61%

Pennsylvania → Montana

At COL-equivalent salary in Billings, 1BR rent is about 12.7% of gross — vs 11.4% if you keep $100,000 gross.

Apartment rent (monthly)

SizePhiladelphiaBillingsDelta / mo
Studio$1,300$780−$520
1 bedroom$1,550$950−$600
2 bedroom$1,850$1,180−$670
3 bedroom$2,300$1,480−$820

House rent (monthly)

SizePhiladelphiaBillingsDelta / mo
2 bedroom$2,000$1,280−$720
3 bedroom$2,500$1,580−$920
4 bedroom$3,100$1,980−$1,120

Buy instead? Est. mortgage (3BR house)

Philadelphia payment

$2,874/mo

Billings payment

$1,816/mo

Payment delta

−$1,058

Est. purchase price

$540,000 → $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 Philadelphia → Billings

City-to-city comparisons

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