Can I Afford to Live in Rockford vs St. Paul on $40K?

Here's how a $40K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Rockford, IL
$2,562/mo take-home
Rent: $1,050/mo (41% of take-home)
Tight
St. Paul, MN
$2,398/mo take-home
Rent: $1,500/mo (63% of take-home)
Difficult

Monthly budget breakdown

Expense
Rockford
IL
St. Paul
MN
Monthly take-home (est.)$2,562$2,398
1BR rent$1,050$1,500
Groceries (est.)$357$384
Transport (est.)$50$95
Utilities$158$195
Internet$58$63
Left after essentials$889/month$161/month

Frequently asked questions

Is $40K a good salary in Rockford?

At $40K/year in Rockford, your estimated monthly take-home is $2,562. With 1BR rent around $1,050/month, rent takes up 41% of your take-home. That's considered tight.

Is $40K a good salary in St. Paul?

At $40K/year in St. Paul, your estimated monthly take-home is $2,398. With 1BR rent around $1,500/month, rent takes up 63% of your take-home. That's considered difficult.

Which city is more affordable on a $40K salary?

Rockford leaves you with more money after core expenses โ€” $889/month vs $161/month in St. Paul.

Can I afford to live alone in Rockford on $40K?

It's tight. Rent in Rockford would take 41% of your $40K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.

Compare other salary bands โ€” Rockford vs St. Paul

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