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Montana vs Arizona Cost of Living

Montana has the lower cost of living by 1.7 index points. Compare category indexes and equivalent salaries in both directions.

By Sammy S. · Founder · AuthorUpdated for 2026

Lower cost of living

Montana is lower

1.7 index points lower. A $100,000 lifestyle in Arizona is roughly $98,420 in Montana.

Side-by-side cost of living scoreboard

Category-by-category comparison

Grocery

Montana102.4
Arizona99.6

Lower cost: Arizona

Housing

Montana113.2
Arizona119

Lower cost: Montana

Utilities

Montana80.2
Arizona102.1

Lower cost: Montana

Transportation

Montana103.9
Arizona103.5

Lower cost: Arizona

Health care

Montana106.3
Arizona98.8

Lower cost: Arizona

Misc. goods & services

Montana108
Arizona104.9

Lower cost: Arizona

Equivalent salary examples

Salary needed in the destination state to match purchasing power in the origin state.

$50,000 origin salary

In Arizona$50,803
In Montana$49,210

$75,000 origin salary

In Arizona$76,204
In Montana$73,815

$100,000 origin salary

In Arizona$101,605
In Montana$98,420

$150,000 origin salary

In Arizona$152,408
In Montana$147,630

Housing gap

Montana housing is 113.2; Arizona is 119.

Salary planning

$100,000 in Montana is roughly $101,605 in Arizona.

Statewide averages

Indexes average participating urban areas. Local rents and wages can differ sharply inside either state.

Montana vs Arizona cost of living FAQs

Montana has the lower cost of living by 1.7 index points. The composite indexes are 105.9 in Montana and 107.6 in Arizona (US average = 100).

About $101,605 in Arizona would provide similar statewide purchasing power to $100,000 in Montana, based on the composite indexes.

About $98,420 in Montana would provide similar statewide purchasing power to $100,000 in Arizona.

Housing indexes are 113.2 in Montana and 119 in Arizona. Housing is often the largest driver, but groceries, utilities, transportation, health care, and other goods also matter.

No. These are statewide averages of participating urban areas. Your city, neighborhood, housing choice, family size, and spending mix can produce a very different personal cost of living.

Montana has the lower average index, but wages, taxes, insurance, schools, and job opportunities should also be compared.

Data period Q1 2026. Statewide urban-area averages; not personal budget calculations.