$50K in Idaho Falls = $49,425 in Fayetteville
Your $50K salary in Idaho Falls (COL 87) has the same purchasing power as $49,425 in Fayetteville (COL 86). Fayetteville is cheaper — your money goes 1% further there.
Budget breakdown — $50K in both cities
What $50K actually buys you in each city after taxes and core expenses.
| Expense | Idaho Falls $50K | Fayetteville $50K (same salary) |
|---|---|---|
| Monthly take-home | $2,919 | $2,977 |
| 1BR rent | $1,100 | $1,300 |
| Groceries | $365 | $361 |
| Transport | $35 | $42 |
| Utilities | $142 | $162 |
| Internet | $65 | $60 |
| Left after essentials | $1,212/month | $1,052/month |
Frequently asked questions
What is $50K in Idaho Falls equivalent to in Fayetteville?
$50K in Idaho Falls (COL index 87) has the same purchasing power as $49,425 in Fayetteville (COL index 86). That's 1% less than your current salary.
If I move from Idaho Falls to Fayetteville keeping my $50K salary, will I be better off?
Yes. If you keep earning $50K after moving to Fayetteville, you'd have $-160 more per month after core expenses — because Fayetteville is cheaper than Idaho Falls.
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: $50K × (86 ÷ 87) = $49,425. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to Fayetteville
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only