Can I Afford to Live in Killeen vs Sioux Falls 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 | Killeen TX | Sioux Falls SD |
|---|---|---|
| Monthly take-home (est.) | $2,728 | $2,728 |
| 1BR rent | $1,050 | $1,250 |
| Groceries (est.) | $350 | $365 |
| Transport (est.) | $38 | $42 |
| Utilities | $170 | $155 |
| Internet | $60 | $60 |
| Left after essentials | $1,060/month | $856/month |
Frequently asked questions
Is $40K a good salary in Killeen?
At $40K/year in Killeen, your estimated monthly take-home is $2,728. With 1BR rent around $1,050/month, rent takes up 38% of your take-home. That's considered tight.
Is $40K a good salary in Sioux Falls?
At $40K/year in Sioux Falls, 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?
Killeen leaves you with more money after core expenses — $1,060/month vs $856/month in Sioux Falls.
Can I afford to live alone in Killeen on $40K?
It's tight. Rent in Killeen would take 38% 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