Can I Afford to Live in Phoenix vs Rapid City on $120K?

Here's how a $120K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Phoenix, AZ
$6,905/mo take-home
Rent: $1,500/mo (22% of take-home)
Very comfortable
Rapid City, SD
$7,155/mo take-home
Rent: $1,200/mo (17% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Phoenix
AZ
Rapid City
SD
Monthly take-home (est.)$6,905$7,155
1BR rent$1,500$1,200
Groceries (est.)$369$365
Transport (est.)$64$40
Utilities$210$148
Internet$60$65
Left after essentials$4,702/month$5,337/month
Rapid City (South Dakota) has no state income tax, boosting take-home vs Phoenix (AZ rate: 2.5%).

Frequently asked questions

Is $120K a good salary in Phoenix?

At $120K/year in Phoenix, your estimated monthly take-home is $6,905. With 1BR rent around $1,500/month, rent takes up 22% of your take-home. That's considered very comfortable.

Is $120K a good salary in Rapid City?

At $120K/year in Rapid City, your estimated monthly take-home is $7,155. With 1BR rent around $1,200/month, rent takes up 17% of your take-home. That's considered very comfortable.

Which city is more affordable on a $120K salary?

Rapid City leaves you with more money after core expenses โ€” $5,337/month vs $4,702/month in Phoenix.

Can I afford to live alone in Phoenix on $120K?

Yes. At $120K in Phoenix, rent takes 22% of your take-home, leaving $4,702/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Phoenix vs Rapid City

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more โ€” side by side.

Full comparison

Take-home estimates use simplified federal/state brackets and do not account for pre-tax deductions, 401(k), or local taxes. Data: Zillow, BLS, Numbeo ยท Q1 2026 ยท For general guidance only