$40K in Scottsdale = $35,897 in Boise
Your $40K salary in Scottsdale (COL 117) has the same purchasing power as $35,897 in Boise (COL 105). Boise is cheaper — your money goes 10% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Scottsdale $40K | Boise $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,645 | $2,535 |
| 1BR rent | $2,000 | $1,600 |
| Groceries | $395 | $372 |
| Transport | $50 | $45 |
| Utilities | $215 | $145 |
| Internet | $65 | $60 |
| Left after essentials | -$80/month | $313/month |
Frequently asked questions
What is $40K in Scottsdale equivalent to in Boise?
$40K in Scottsdale (COL index 117) has the same purchasing power as $35,897 in Boise (COL index 105). That's 10% less than your current salary.
If I move from Scottsdale to Boise keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Boise, you'd have $393 more per month after core expenses — because Boise is cheaper than Scottsdale.
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: $40K × (105 ÷ 117) = $35,897. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Scottsdale to Boise
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only