$80K in Idaho Falls = $91,954 in Phoenix
Your $80K salary in Idaho Falls (COL 87) has the same purchasing power as $91,954 in Phoenix (COL 100). Phoenix is more expensive — you'd need 15% 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 | Phoenix $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,670 | $4,890 |
| 1BR rent | $1,100 | $1,500 |
| Groceries | $365 | $369 |
| Transport | $35 | $64 |
| Utilities | $142 | $210 |
| Internet | $65 | $60 |
| Left after essentials | $2,963/month | $2,687/month |
Frequently asked questions
What is $80K in Idaho Falls equivalent to in Phoenix?
$80K in Idaho Falls (COL index 87) has the same purchasing power as $91,954 in Phoenix (COL index 100). That's 15% more than your current salary.
If I move from Idaho Falls to Phoenix keeping my $80K salary, will I be better off?
Not necessarily. Core expenses in Phoenix are higher, so on the same $80K salary you'd have $276 less per month. You'd need to earn $91,954 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 × (100 ÷ 87) = $91,954. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to Phoenix
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only