Moving from Rapid City to Phoenix (2026)

Phoenix has a COL index of 100 vs 88 for Rapid City (100 = US average). Expect to pay about 14% more for the same lifestyle.

Pay ~$385 more/mo
on core expenses · $75K salary baseline

Key differences

COL index
88100
100 = US avg
1BR rent
$1,200$1,500
per month
State tax
None2.5%
income tax
Take-home at $75K
$4,741$4,584
per month

Salary needed in Phoenix to match your Rapid City lifestyle

Based on the 14% cost of living increase between the two cities.

Your salary in Rapid CityEquivalent in Phoenix
$40K$45,455
$50K$56,818
$60K$68,182
$75K$85,227
$80K$90,909
$100K$113,636
$120K$136,364
$150K$170,455

Monthly budget at $75K — Rapid City vs Phoenix

ExpenseRapid CityPhoenix
Monthly take-home$4,741$4,584
1BR rent$1,200$1,500
Groceries$365$369
Transport$40$64
Utilities$148$210
Internet$65$60
Left after essentials$2,923$2,381

Frequently asked questions

Is Phoenix cheaper than Rapid City?

No. Phoenix has a cost of living index of 100 vs 88 for Rapid City (100 = US average). That's about 14% more expensive.

How much will I save moving from Rapid City to Phoenix?

On a $75K salary, core expenses in Phoenix run about $385/month more than Rapid City. Factor this into your salary negotiation when relocating.

What salary do I need in Phoenix to match my Rapid City lifestyle?

To maintain the same purchasing power as $75,000 in Rapid City, you'd need roughly $85,227/year in Phoenix. 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