Can I Afford to Live in Cartagena vs Killeen on $40K?

Here's how a $40K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Cartagena, CO
$2,728/mo take-home
Rent: $560/mo (21% of take-home)
Very comfortable
Killeen, TX
$2,728/mo take-home
Rent: $1,050/mo (38% of take-home)
Tight

Monthly budget breakdown

Cartagena
CO
Killeen
TX
Monthly take-home (est.)
$2,728Best โœ“
$2,728
1BR rent
$560Best โœ“
$1,050
Groceries (est.)
$380
$350Best โœ“
Transport (est.)
$150
$38Best โœ“
Utilities
$70Best โœ“
$170
Internet
$30Best โœ“
$60
Left after essentials
$1,538/month
$1,060/month
Both Cartagena and Killeen have no state income tax โ€” your take-home is higher than in most states.

Frequently asked questions

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.

Is $40K a good salary in Killeen?

At $40K/year in Killeen, your estimated monthly take-home is $2,728. With 1BR rent around $1,050/month, rent takes up 38% of your take-home. That's considered tight.

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

Cartagena leaves you with more money after core expenses โ€” $1,538/month vs $1,060/month in Killeen.

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

Yes. At $40K in Cartagena, rent takes 21% of your take-home, leaving $1,538/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Cartagena vs Killeen

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more โ€” 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 ยท Q1 2026 ยท For general guidance only