Can I Afford to Live in Cartagena vs Boise on $100K?

Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.

Cartagena, CO
$6,321/mo take-home
Rent: $560/mo (9% of take-home)
Very comfortable
Boise, ID
$5,838/mo take-home
Rent: $1,600/mo (27% of take-home)
Comfortable

Monthly budget breakdown

Cartagena
CO
Boise
ID
Monthly take-home (est.)
$6,321Best ✓
$5,838
1BR rent
$560Best ✓
$1,600
Groceries (est.)
$380
$372Best ✓
Transport (est.)
$150
$45Best ✓
Utilities
$70Best ✓
$145
Internet
$30Best ✓
$60
Left after essentials
$5,131/month
$3,616/month
Cartagena (Bolívar) has no state income tax, boosting take-home vs Boise (ID rate: 5.8%).

Frequently asked questions

Is $100K a good salary in Cartagena?

At $100K/year in Cartagena, your estimated monthly take-home is $6,321. With 1BR rent around $560/month, rent takes up 9% of your take-home. That's considered very comfortable.

Is $100K a good salary in Boise?

At $100K/year in Boise, your estimated monthly take-home is $5,838. With 1BR rent around $1,600/month, rent takes up 27% of your take-home. That's considered comfortable.

Which city is more affordable on a $100K salary?

Cartagena leaves you with more money after core expenses — $5,131/month vs $3,616/month in Boise.

Can I afford to live alone in Cartagena on $100K?

Yes. At $100K in Cartagena, rent takes 9% of your take-home, leaving $5,131/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands — Cartagena vs Boise

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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