Can I Afford to Live in Chicago vs Chattanooga 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.

Chicago, IL
$2,565/mo take-home
Rent: $1,900/mo (74% of take-home)
Difficult
Chattanooga, TN
$2,728/mo take-home
Rent: $1,250/mo (46% of take-home)
Difficult

Monthly budget breakdown

Expense
Chicago
IL
Chattanooga
TN
Monthly take-home (est.)$2,565$2,728
1BR rent$1,900$1,250
Groceries (est.)$388$357
Transport (est.)$105$45
Utilities$165$165
Internet$65$58
Left after essentials-$58/month$853/month
Chattanooga (Tennessee) has no state income tax, boosting take-home vs Chicago (IL rate: 4.9%).

Frequently asked questions

Is $40K a good salary in Chicago?

At $40K/year in Chicago, your estimated monthly take-home is $2,565. With 1BR rent around $1,900/month, rent takes up 74% of your take-home. That's considered difficult.

Is $40K a good salary in Chattanooga?

At $40K/year in Chattanooga, your estimated monthly take-home is $2,728. With 1BR rent around $1,250/month, rent takes up 46% of your take-home. That's considered difficult.

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

Chattanooga leaves you with more money after core expenses โ€” $853/month vs $-58/month in Chicago.

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

It's tight. Rent in Chicago would take 74% 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€” Chicago vs Chattanooga

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