Can I Afford to Live in Seattle vs Cartagena 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.

Seattle, WA
$6,321/mo take-home
Rent: $2,400/mo (38% of take-home)
Tight
Cartagena, CO
$6,321/mo take-home
Rent: $560/mo (9% of take-home)
Very comfortable

Monthly budget breakdown

Seattle
WA
Cartagena
CO
Monthly take-home (est.)
$6,321Best ✓
$6,321
1BR rent
$2,400
$560Best ✓
Groceries (est.)
$410
$380Best ✓
Transport (est.)
$100Best ✓
$150
Utilities
$120
$70Best ✓
Internet
$65
$30Best ✓
Left after essentials
$3,226/month
$5,131/month
Both Seattle and Cartagena have no state income tax — your take-home is higher than in most states.

Frequently asked questions

Is $100K a good salary in Seattle?

At $100K/year in Seattle, your estimated monthly take-home is $6,321. With 1BR rent around $2,400/month, rent takes up 38% of your take-home. That's considered tight.

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.

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

Cartagena leaves you with more money after core expenses — $5,131/month vs $3,226/month in Seattle.

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

It's tight. Rent in Seattle would take 38% of your $100K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.

Compare other salary bands — Seattle vs Cartagena

$40K$50K$60K$75K$80K$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