$120K in Idaho Falls = $121,379 in Huntsville
Your $120K salary in Idaho Falls (COL 87) has the same purchasing power as $121,379 in Huntsville (COL 88). Huntsville is more expensive — you'd need 1% more to maintain the same lifestyle.
Budget breakdown — $120K in both cities
What $120K actually buys you in each city after taxes and core expenses.
| Expense | Idaho Falls $120K | Huntsville $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,575 | $6,655 |
| 1BR rent | $1,100 | $1,300 |
| Groceries | $365 | $365 |
| Transport | $35 | $38 |
| Utilities | $142 | $168 |
| Internet | $65 | $60 |
| Left after essentials | $4,868/month | $4,724/month |
Frequently asked questions
What is $120K in Idaho Falls equivalent to in Huntsville?
$120K in Idaho Falls (COL index 87) has the same purchasing power as $121,379 in Huntsville (COL index 88). That's 1% more than your current salary.
If I move from Idaho Falls to Huntsville keeping my $120K salary, will I be better off?
Not necessarily. Core expenses in Huntsville are higher, so on the same $120K salary you'd have $144 less per month. You'd need to earn $121,379 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: $120K × (88 ÷ 87) = $121,379. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to Huntsville
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only