๐Ÿ“Š Cost of Living Comparison

Cambridge vs Billings

Side-by-side cost of living comparison for 2026

Cambridge

Massachusetts
178
Very Expensive
$890,000
Median Home
$3,100/mo
Median Rent
$103,154
Median Income

Billings

Montana
98
Average
$310,000
Median Home
$1,200/mo
Median Rent
$55,438
Median Income

๐Ÿ’ก The Verdict

45% cheaper
Billings is 45% more affordable than Cambridge. A $75,000 salary in Cambridge is equivalent to $41,292 in Billings.

Category-by-Category Breakdown

Index values shown. National average = 100. Lower is cheaper.

Housing
280
Cambridge
93
Billings
Groceries
110
Cambridge
99
Billings
Utilities
126
Cambridge
89
Billings
Transportation
105
Cambridge
101
Billings
Healthcare
118
Cambridge
102
Billings

๐Ÿ’ฐ Salary Equivalence

To maintain the same standard of living:

$41,292
$75K in Cambridge โ†’ Billings
$136,224
$75K in Billings โ†’ Cambridge

See exact take-home pay: Massachusetts salaries ยท Montana salaries

Living in Cambridge vs Billings

Housing is typically the biggest factor in any cost-of-living comparison. Cambridge has a housing index of 280 while Billings sits at 93 (national average = 100). The median home in Cambridge costs $890,000 compared to $310,000 in Billings, a difference of $580,000. Monthly rent follows a similar pattern: $3,100 in Cambridge versus $1,200 in Billings.

Groceries and everyday expenses show a notable difference: Cambridge scores 110 while Billings scores 99.

Healthcare costs in Cambridge (118) are higher than Billings (102).

Median household income in Cambridge is $103,154 compared to $55,438 in Billings. When adjusted for cost of living, income goes further in Billings.

Relocating: Cambridge vs Billings

If you are considering a move between Cambridge (index: 178) and Billings (index: 98), the 45% cost difference has real implications for your budget. Billings is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.

Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Cambridge can afford $2,407/month, while the median household in Billings can afford $1,294/month. With median homes at $890,000 in Cambridge versus $310,000 in Billings, the higher-cost city presents significant affordability challenges.

Renting vs buying: At $3,100/month in Cambridge and $1,200/month in Billings, renters save significantly in Billings. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.

Income adjustment: A $75,000 salary goes further in Billings where costs are 2% below the national average. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.

Reading These Numbers: Cambridge (178) vs Billings (98)

The cost of living index uses 100 as the national average. Cambridge at 178 is 78% above the US average, while Billings at 98 is 2% below average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.

The overall index is a weighted average of housing (the largest component), groceries, utilities, transportation, and healthcare. Housing typically drives the biggest differences between cities. Even when two cities have similar overall indices, their category-level costs can vary significantly โ€” one city might have expensive housing but cheap groceries, while another is the reverse. Check the category breakdown above for the full picture.

For renters: With median rents of $3,100/month in Cambridge and $1,200/month in Billings, the annual rent difference is approximately $22,800. Over a 5-year period, that compounds to $114,000 in savings by choosing the more affordable city.

For homebuyers: The $580,000 difference in median home prices between Cambridge and Billings translates to roughly $34,800 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.

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