Can I Afford to Live in Idaho Falls vs Roanoke on $100K?

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

Idaho Falls, ID
$5,838/mo take-home
Rent: $1,100/mo (19% of take-home)
Very comfortable
Roanoke, VA
$5,838/mo take-home
Rent: $1,200/mo (21% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Idaho Falls
ID
Roanoke
VA
Monthly take-home (est.)$5,838$5,838
1BR rent$1,100$1,200
Groceries (est.)$365$361
Transport (est.)$35$48
Utilities$142$155
Internet$65$60
Left after essentials$4,131/month$4,014/month

Frequently asked questions

Is $100K a good salary in Idaho Falls?

At $100K/year in Idaho Falls, your estimated monthly take-home is $5,838. With 1BR rent around $1,100/month, rent takes up 19% of your take-home. That's considered very comfortable.

Is $100K a good salary in Roanoke?

At $100K/year in Roanoke, your estimated monthly take-home is $5,838. With 1BR rent around $1,200/month, rent takes up 21% of your take-home. That's considered very comfortable.

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

Idaho Falls leaves you with more money after core expenses โ€” $4,131/month vs $4,014/month in Roanoke.

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

Yes. At $100K in Idaho Falls, rent takes 19% of your take-home, leaving $4,131/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Idaho Falls vs Roanoke

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