Can I Afford to Live in Springfield vs Cartagena 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.

Springfield, IL
$5,904/mo take-home
Rent: $1,000/mo (17% of take-home)
Very comfortable
Cartagena, CO
$6,321/mo take-home
Rent: $560/mo (9% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Springfield
IL
Cartagena
CO
Monthly take-home (est.)$5,904$6,321
1BR rent$1,000$560
Groceries (est.)$357$380
Transport (est.)$48$150
Utilities$155$70
Internet$58$30
Left after essentials$4,286/month$5,131/month
Cartagena (Bolรญvar) has no state income tax, boosting take-home vs Springfield (IL rate: 5%).

Frequently asked questions

Is $100K a good salary in Springfield?

At $100K/year in Springfield, your estimated monthly take-home is $5,904. With 1BR rent around $1,000/month, rent takes up 17% of your take-home. That's considered very comfortable.

Is $100K a good salary in Cartagena?

At $100K/year in Cartagena, your estimated monthly take-home is $6,321. With 1BR rent around $560/month, rent takes up 9% of your take-home. That's considered very comfortable.

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

Cartagena leaves you with more money after core expenses โ€” $5,131/month vs $4,286/month in Springfield.

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

Yes. At $100K in Springfield, rent takes 17% of your take-home, leaving $4,286/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Springfield vs Cartagena

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