Can I Afford to Live in Charleston vs Cartagena 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.

Charleston, SC
$2,522/mo take-home
Rent: $1,900/mo (75% of take-home)
Difficult
Cartagena, CO
$2,728/mo take-home
Rent: $560/mo (21% of take-home)
Very comfortable

Monthly budget breakdown

Charleston
SC
Cartagena
CO
Monthly take-home (est.)
$2,522
$2,728Best ✓
1BR rent
$1,900
$560Best ✓
Groceries (est.)
$376Best ✓
$380
Transport (est.)
$55Best ✓
$150
Utilities
$162
$70Best ✓
Internet
$63
$30Best ✓
Left after essentials
-$34/month
$1,538/month
Cartagena (Bolívar) has no state income tax, boosting take-home vs Charleston (SC rate: 6.2%).

Frequently asked questions

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.

Is $40K a good salary in Cartagena?

At $40K/year in Cartagena, your estimated monthly take-home is $2,728. With 1BR rent around $560/month, rent takes up 21% of your take-home. That's considered very comfortable.

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

Cartagena leaves you with more money after core expenses — $1,538/month vs $-34/month in Charleston.

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

It's tight. Rent in Charleston would take 75% 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 — Charleston vs Cartagena

$50K$60K$75K$80K$100K$120K$150K

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