$75K in Billings = $73,315 in Idaho Falls
Your $75K salary in Billings (COL 89) has the same purchasing power as $73,315 in Idaho Falls (COL 87). Idaho Falls is cheaper — your money goes 2% further there.
Budget breakdown — $75K in both cities
What $75K actually buys you in each city after taxes and core expenses.
| Expense | Billings $75K | Idaho Falls $75K (same salary) |
|---|---|---|
| Monthly take-home | $4,316 | $4,378 |
| 1BR rent | $1,200 | $1,100 |
| Groceries | $369 | $365 |
| Transport | $42 | $35 |
| Utilities | $148 | $142 |
| Internet | $68 | $65 |
| Left after essentials | $2,489/month | $2,671/month |
Frequently asked questions
What is $75K in Billings equivalent to in Idaho Falls?
$75K in Billings (COL index 89) has the same purchasing power as $73,315 in Idaho Falls (COL index 87). That's 2% less than your current salary.
If I move from Billings to Idaho Falls keeping my $75K salary, will I be better off?
Yes. If you keep earning $75K after moving to Idaho Falls, you'd have $182 more per month after core expenses — because Idaho Falls is cheaper than Billings.
How is the salary equivalent calculated?
The equivalent salary is calculated by multiplying your current salary by the ratio of the two cities' overall cost of living indices: $75K × (87 ÷ 89) = $73,315. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Billings to Idaho Falls
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only