Can I Afford to Live in Chicago vs Oklahoma City 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
Oklahoma City, OK
$2,568/mo take-home
Rent: $1,100/mo (43% of take-home)
Tight

Monthly budget breakdown

Expense
Chicago
IL
Oklahoma City
OK
Monthly take-home (est.)$2,565$2,568
1BR rent$1,900$1,100
Groceries (est.)$388$353
Transport (est.)$105$50
Utilities$165$175
Internet$65$55
Left after essentials-$58/month$835/month

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 Oklahoma City?

At $40K/year in Oklahoma City, your estimated monthly take-home is $2,568. With 1BR rent around $1,100/month, rent takes up 43% of your take-home. That's considered tight.

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

Oklahoma City leaves you with more money after core expenses โ€” $835/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 Oklahoma 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