Can I Afford to Live in Idaho Falls vs Cheyenne on $120K?

Here's how a $120K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Idaho Falls, ID
$6,575/mo take-home
Rent: $1,100/mo (17% of take-home)
Very comfortable
Cheyenne, WY
$7,155/mo take-home
Rent: $1,150/mo (16% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Idaho Falls
ID
Cheyenne
WY
Monthly take-home (est.)$6,575$7,155
1BR rent$1,100$1,150
Groceries (est.)$365$365
Transport (est.)$35$35
Utilities$142$148
Internet$65$68
Left after essentials$4,868/month$5,389/month
Cheyenne (Wyoming) has no state income tax, boosting take-home vs Idaho Falls (ID rate: 5.8%).

Frequently asked questions

Is $120K a good salary in Idaho Falls?

At $120K/year in Idaho Falls, your estimated monthly take-home is $6,575. With 1BR rent around $1,100/month, rent takes up 17% of your take-home. That's considered very comfortable.

Is $120K a good salary in Cheyenne?

At $120K/year in Cheyenne, your estimated monthly take-home is $7,155. With 1BR rent around $1,150/month, rent takes up 16% of your take-home. That's considered very comfortable.

Which city is more affordable on a $120K salary?

Cheyenne leaves you with more money after core expenses โ€” $5,389/month vs $4,868/month in Idaho Falls.

Can I afford to live alone in Idaho Falls on $120K?

Yes. At $120K in Idaho Falls, rent takes 17% of your take-home, leaving $4,868/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Idaho Falls vs Cheyenne

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