Can I Afford to Live in Boulder vs Montgomery 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.

Boulder, CO
$2,582/mo take-home
Rent: $2,300/mo (89% of take-home)
Difficult
Montgomery, AL
$2,562/mo take-home
Rent: $1,050/mo (41% of take-home)
Tight
Share on X

Monthly budget breakdown

Boulder
CO
Montgomery
AL
Monthly take-home (est.)
$2,582Best โœ“
$2,562
1BR rent
$2,300
$1,050Best โœ“
Groceries (est.)
$414
$353Best โœ“
Transport (est.)
$80
$38Best โœ“
Utilities
$138Best โœ“
$170
Internet
$68
$58Best โœ“
Left after essentials
-$418/month
$893/month

Frequently asked questions

Is $40K a good salary in Boulder?

At $40K/year in Boulder, your estimated monthly take-home is $2,582. With 1BR rent around $2,300/month, rent takes up 89% of your take-home. That's considered difficult.

Is $40K a good salary in Montgomery?

At $40K/year in Montgomery, your estimated monthly take-home is $2,562. With 1BR rent around $1,050/month, rent takes up 41% of your take-home. That's considered tight.

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

Montgomery leaves you with more money after core expenses โ€” $893/month vs $-418/month in Boulder.

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

It's tight. Rent in Boulder would take 89% 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 โ€” Boulder vs Montgomery

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