Can I Afford to Live in Rapid City vs Springfield on $100K?

Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.

Rapid City, SD
$6,321/mo take-home
Rent: $1,200/mo (19% of take-home)
Very comfortable
Springfield, MO
$5,929/mo take-home
Rent: $950/mo (16% of take-home)
Very comfortable
Share on X

Monthly budget breakdown

Rapid City
SD
Springfield
MO
Monthly take-home (est.)
$6,321Best ✓
$5,929
1BR rent
$1,200
$950Best ✓
Groceries (est.)
$365
$353Best ✓
Transport (est.)
$40Best ✓
$42
Utilities
$148Best ✓
$155
Internet
$65
$58Best ✓
Left after essentials
$4,503/month
$4,371/month
Rapid City (South Dakota) has no state income tax, boosting take-home vs Springfield (MO rate: 4.7%).

Frequently asked questions

Is $100K a good salary in Rapid City?

At $100K/year in Rapid City, your estimated monthly take-home is $6,321. With 1BR rent around $1,200/month, rent takes up 19% of your take-home. That's considered very comfortable.

Is $100K a good salary in Springfield?

At $100K/year in Springfield, your estimated monthly take-home is $5,929. With 1BR rent around $950/month, rent takes up 16% of your take-home. That's considered very comfortable.

Which city is more affordable on a $100K salary?

Rapid City leaves you with more money after core expenses — $4,503/month vs $4,371/month in Springfield.

Can I afford to live alone in Rapid City on $100K?

Yes. At $100K in Rapid City, rent takes 19% of your take-home, leaving $4,503/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands — Rapid City vs Springfield

$40K$50K$60K$75K$80K$120K$150K

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more — 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 · Q1 2026 · For general guidance only