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US relocation · 2026

Montana flagMontana → Massachusetts flagMassachusetts

At $100,000 gross, you’d need about $152,632 in Massachusetts to match Montana purchasing power — and same-gross take-home shifts by −$1,091/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Montana leads

COL index moves +41.9 from Montana (105.9) to Massachusetts (147.8). Median household income delta: +$28,400 (68,800 USD → 97,200 USD). At $100,000 gross (Billings → Boston): equivalent salary ~$152,632; same-gross take-home −$1,091/year.

Side-by-side state scoreboard

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 →

Massachusetts

68

Purchasing power index · 100 = national avg

COL index
147.8
Median income
97,200 USD
Sales tax
~6.25%
Property tax
~1%
Income tax
Taxed
$100k take-home
$73,300
Massachusetts calculator →

$100k example: Billings → Boston

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

Equivalent gross needed

$152,632

+52.6% vs current

Take-home in Billings

$74,391

Take-home in Boston (same gross)

$73,300

Same-gross delta

−$1,091

1BR rent: $950/mo → $2,780/mo
Personalize this city pair

Housing: Billings → Boston

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

1BR rent delta / yr

+$21,960

1BR % of $100k (Billings)

11.4%

$950/mo

1BR % of $100k (Boston)

33.4%

$2,780/mo

Property tax (effective)

~0.61% → ~1%

Montana → Massachusetts

At COL-equivalent salary in Boston, 1BR rent is about 21.9% of gross — vs 33.4% if you keep $100,000 gross.

Apartment rent (monthly)

SizeBillingsBostonDelta / mo
Studio$780$2,300+$1,520
1 bedroom$950$2,780+$1,830
2 bedroom$1,180$3,300+$2,120
3 bedroom$1,480$4,100+$2,620

House rent (monthly)

SizeBillingsBostonDelta / mo
2 bedroom$1,280$3,200+$1,920
3 bedroom$1,580$4,000+$2,420
4 bedroom$1,980$5,000+$3,020

Buy instead? Est. mortgage (3BR house)

Billings payment

$1,816/mo

Boston payment

$4,599/mo

Payment delta

+$2,782

Est. purchase price

$341,280 → $864,000

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 Billings → Boston

City-to-city comparisons

Run the calculator for Montana → Massachusetts

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.