Can I Afford to Live in Mobile vs Knoxville 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 | Mobile AL | Knoxville TN |
|---|---|---|
| Monthly take-home (est.) | $2,562 | $2,728 |
| 1BR rent | $1,100 | $1,300 |
| Groceries (est.) | $353 | $361 |
| Transport (est.) | $38 | $45 |
| Utilities | $172 | $168 |
| Internet | $58 | $60 |
| Left after essentials | $841/month | $794/month |
Frequently asked questions
Is $40K a good salary in Mobile?
At $40K/year in Mobile, your estimated monthly take-home is $2,562. 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 Knoxville?
At $40K/year in Knoxville, your estimated monthly take-home is $2,728. With 1BR rent around $1,300/month, rent takes up 48% of your take-home. That's considered difficult.
Which city is more affordable on a $40K salary?
Mobile leaves you with more money after core expenses — $841/month vs $794/month in Knoxville.
Can I afford to live alone in Mobile on $40K?
It's tight. Rent in Mobile 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