Can I Afford to Live in Kraków vs Boulder 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 | Kraków PL | Boulder CO |
|---|---|---|
| Monthly take-home (est.) | $2,328 | $2,582 |
| 1BR rent | $750 | $2,300 |
| Groceries (est.) | $380 | $414 |
| Transport (est.) | $150 | $80 |
| Utilities | $90 | $138 |
| Internet | $25 | $68 |
| Left after essentials | $933/month | -$418/month |
Frequently asked questions
Is $40K a good salary in Kraków?
At $40K/year in Kraków, your estimated monthly take-home is $2,328. With 1BR rent around $750/month, rent takes up 32% of your take-home. That's considered manageable.
Is $40K a good salary in Boulder?
At $40K/year in Boulder, your estimated monthly take-home is $2,582. With 1BR rent around $2,300/month, rent takes up 89% of your take-home. That's considered difficult.
Which city is more affordable on a $40K salary?
Kraków leaves you with more money after core expenses — $933/month vs $-418/month in Boulder.
Can I afford to live alone in Kraków on $40K?
Yes. At $40K in Kraków, rent takes 32% of your take-home, leaving $933/month after essentials. Most financial planners recommend keeping rent below 30%.
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