$80K in Idaho Falls = $98,391 in Eugene
Your $80K salary in Idaho Falls (COL 87) has the same purchasing power as $98,391 in Eugene (COL 107). Eugene is more expensive — you'd need 23% more to maintain the same lifestyle.
Budget breakdown — $80K in both cities
What $80K actually buys you in each city after taxes and core expenses.
| Expense | Idaho Falls $80K | Eugene $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,670 | $4,397 |
| 1BR rent | $1,100 | $1,650 |
| Groceries | $365 | $395 |
| Transport | $35 | $82 |
| Utilities | $142 | $128 |
| Internet | $65 | $65 |
| Left after essentials | $2,963/month | $2,077/month |
Frequently asked questions
What is $80K in Idaho Falls equivalent to in Eugene?
$80K in Idaho Falls (COL index 87) has the same purchasing power as $98,391 in Eugene (COL index 107). That's 23% more than your current salary.
If I move from Idaho Falls to Eugene keeping my $80K salary, will I be better off?
Not necessarily. Core expenses in Eugene are higher, so on the same $80K salary you'd have $886 less per month. You'd need to earn $98,391 to maintain the same standard of living.
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 × (107 ÷ 87) = $98,391. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to Eugene
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only