Can I Afford to Live in San Diego vs Kraków 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.

San Diego, CA
$2,418/mo take-home
Rent: $2,600/mo (108% of take-home)
Difficult
Kraków, PL
$2,328/mo take-home
Rent: $750/mo (32% of take-home)
Manageable
Share on X

Monthly budget breakdown

San Diego
CA
Kraków
PL
Monthly take-home (est.)
$2,418Best ✓
$2,328
1BR rent
$2,600
$750Best ✓
Groceries (est.)
$414
$380Best ✓
Transport (est.)
$100Best ✓
$150
Utilities
$130
$90Best ✓
Internet
$65
$25Best ✓
Left after essentials
-$891/month
$933/month

Frequently asked questions

Is $40K a good salary in San Diego?

At $40K/year in San Diego, your estimated monthly take-home is $2,418. With 1BR rent around $2,600/month, rent takes up 108% of your take-home. That's considered difficult.

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.

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

Kraków leaves you with more money after core expenses — $933/month vs $-891/month in San Diego.

Can I afford to live alone in San Diego on $40K?

It's tight. Rent in San Diego would take 108% 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 — San Diego vs Kraków

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more — 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 · Q1 2026 · For general guidance only