Can I Afford to Live in Oklahoma City vs Charleston on $40K?
Here's how a $40K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.
Monthly budget breakdown
| Expense | Oklahoma City OK | Charleston SC |
|---|---|---|
| Monthly take-home (est.) | $2,568 | $2,522 |
| 1BR rent | $1,100 | $1,900 |
| Groceries (est.) | $353 | $376 |
| Transport (est.) | $50 | $55 |
| Utilities | $175 | $162 |
| Internet | $55 | $63 |
| Left after essentials | $835/month | -$34/month |
Frequently asked questions
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.
Is $40K a good salary in Charleston?
At $40K/year in Charleston, your estimated monthly take-home is $2,522. With 1BR rent around $1,900/month, rent takes up 75% of your take-home. That's considered difficult.
Which city is more affordable on a $40K salary?
Oklahoma City leaves you with more money after core expenses — $835/month vs $-34/month in Charleston.
Can I afford to live alone in Oklahoma City on $40K?
It's tight. Rent in Oklahoma City would take 43% of your $40K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.
See the full cost-of-living comparison
Rent, groceries, taxes, transportation, and more — side by side.
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 · Q1 2026 · For general guidance only