Moving from Billings to Boulder (2026)

Boulder has a COL index of 132 vs 89 for Billings (100 = US average). Expect to pay about 48% more for the same lifestyle.

Pay ~$1,173 more/mo
on core expenses · $75K salary baseline

Key differences

COL index
89132
100 = US avg
1BR rent
$1,200$2,300
per month
State tax
6.8%4.4%
income tax
Take-home at $75K
$4,316$4,466
per month

Salary needed in Boulder to match your Billings lifestyle

Based on the 48% cost of living increase between the two cities.

Your salary in BillingsEquivalent in Boulder
$40K$59,326
$50K$74,157
$60K$88,989
$75K$111,236
$80K$118,652
$100K$148,315
$120K$177,978
$150K$222,472

Monthly budget at $75K — Billings vs Boulder

ExpenseBillingsBoulder
Monthly take-home$4,316$4,466
1BR rent$1,200$2,300
Groceries$369$414
Transport$42$80
Utilities$148$138
Internet$68$68
Left after essentials$2,489$1,466

Frequently asked questions

Is Boulder cheaper than Billings?

No. Boulder has a cost of living index of 132 vs 89 for Billings (100 = US average). That's about 48% more expensive.

How much will I save moving from Billings to Boulder?

On a $75K salary, core expenses in Boulder run about $1,173/month more than Billings. Factor this into your salary negotiation when relocating.

What salary do I need in Boulder to match my Billings lifestyle?

To maintain the same purchasing power as $75,000 in Billings, you'd need roughly $111,236/year in Boulder. This is based on the overall COL index difference between the two cities.

Estimates based on Q1 2026 COL index and market data. Budget uses simplified federal/state tax rates at $75K. Zillow · BLS · Numbeo · For general guidance only