$75K in Idaho Falls = $127,586 in San Diego
Your $75K salary in Idaho Falls (COL 87) has the same purchasing power as $127,586 in San Diego (COL 148). San Diego is more expensive — you'd need 70% more to maintain the same lifestyle.
Budget breakdown — $75K in both cities
What $75K actually buys you in each city after taxes and core expenses.
| Expense | Idaho Falls $75K | San Diego $75K (same salary) |
|---|---|---|
| Monthly take-home | $4,378 | $4,159 |
| 1BR rent | $1,100 | $2,600 |
| Groceries | $365 | $414 |
| Transport | $35 | $100 |
| Utilities | $142 | $130 |
| Internet | $65 | $65 |
| Left after essentials | $2,671/month | $850/month |
Frequently asked questions
What is $75K in Idaho Falls equivalent to in San Diego?
$75K in Idaho Falls (COL index 87) has the same purchasing power as $127,586 in San Diego (COL index 148). That's 70% more than your current salary.
If I move from Idaho Falls to San Diego keeping my $75K salary, will I be better off?
Not necessarily. Core expenses in San Diego are higher, so on the same $75K salary you'd have $1,821 less per month. You'd need to earn $127,586 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: $75K × (148 ÷ 87) = $127,586. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to San Diego
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only