$50K in Boise = $40,476 in Lafayette
Your $50K salary in Boise (COL 105) has the same purchasing power as $40,476 in Lafayette (COL 85). Lafayette is cheaper — your money goes 19% further there.
Budget breakdown — $50K in both cities
What $50K actually buys you in each city after taxes and core expenses.
| Expense | Boise $50K | Lafayette $50K (same salary) |
|---|---|---|
| Monthly take-home | $2,919 | $2,981 |
| 1BR rent | $1,600 | $1,100 |
| Groceries | $372 | $361 |
| Transport | $45 | $42 |
| Utilities | $145 | $208 |
| Internet | $60 | $58 |
| Left after essentials | $697/month | $1,212/month |
Frequently asked questions
What is $50K in Boise equivalent to in Lafayette?
$50K in Boise (COL index 105) has the same purchasing power as $40,476 in Lafayette (COL index 85). That's 19% less than your current salary.
If I move from Boise to Lafayette keeping my $50K salary, will I be better off?
Yes. If you keep earning $50K after moving to Lafayette, you'd have $515 more per month after core expenses — because Lafayette is cheaper than Boise.
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 × (85 ÷ 105) = $40,476. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Boise to Lafayette
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only