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

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

Topeka, KS
$5,846/mo take-home
Rent: $940/mo (16% of take-home)
Very comfortable
Rapid City, SD
$6,321/mo take-home
Rent: $1,200/mo (19% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Topeka
KS
Rapid City
SD
Monthly take-home (est.)$5,846$6,321
1BR rent$940$1,200
Groceries (est.)$350$365
Transport (est.)$40$40
Utilities$150$148
Internet$55$65
Left after essentials$4,311/month$4,503/month
Rapid City (South Dakota) has no state income tax, boosting take-home vs Topeka (KS rate: 5.7%).

Frequently asked questions

Is $100K a good salary in Topeka?

At $100K/year in Topeka, your estimated monthly take-home is $5,846. With 1BR rent around $940/month, rent takes up 16% of your take-home. That's considered very comfortable.

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.

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

Rapid City leaves you with more money after core expenses โ€” $4,503/month vs $4,311/month in Topeka.

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

Yes. At $100K in Topeka, rent takes 16% of your take-home, leaving $4,311/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Topeka 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