$80K in Fort Collins = $70,303 in Idaho Falls
Your $80K salary in Fort Collins (COL 99) has the same purchasing power as $70,303 in Idaho Falls (COL 87). Idaho Falls is cheaper — your money goes 12% further there.
Budget breakdown — $80K in both cities
What $80K actually buys you in each city after taxes and core expenses.
| Expense | Fort Collins $80K | Idaho Falls $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,763 | $4,670 |
| 1BR rent | $1,700 | $1,100 |
| Groceries | $384 | $365 |
| Transport | $55 | $35 |
| Utilities | $140 | $142 |
| Internet | $65 | $65 |
| Left after essentials | $2,419/month | $2,963/month |
Frequently asked questions
What is $80K in Fort Collins equivalent to in Idaho Falls?
$80K in Fort Collins (COL index 99) has the same purchasing power as $70,303 in Idaho Falls (COL index 87). That's 12% less than your current salary.
If I move from Fort Collins to Idaho Falls keeping my $80K salary, will I be better off?
Yes. If you keep earning $80K after moving to Idaho Falls, you'd have $544 more per month after core expenses — because Idaho Falls is cheaper than Fort Collins.
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: $80K × (87 ÷ 99) = $70,303. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Fort Collins 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