$80K in Boise = $73,905 in Charleston
Your $80K salary in Boise (COL 105) has the same purchasing power as $73,905 in Charleston (COL 97). Charleston is cheaper — your money goes 8% further there.
Budget breakdown — $80K in both cities
What $80K actually buys you in each city after taxes and core expenses.
| Expense | Boise $80K | Charleston $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,670 | $4,643 |
| 1BR rent | $1,600 | $1,900 |
| Groceries | $372 | $376 |
| Transport | $45 | $55 |
| Utilities | $145 | $162 |
| Internet | $60 | $63 |
| Left after essentials | $2,448/month | $2,087/month |
Frequently asked questions
What is $80K in Boise equivalent to in Charleston?
$80K in Boise (COL index 105) has the same purchasing power as $73,905 in Charleston (COL index 97). That's 8% less than your current salary.
If I move from Boise to Charleston keeping my $80K salary, will I be better off?
Yes. If you keep earning $80K after moving to Charleston, you'd have $-361 more per month after core expenses — because Charleston 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: $80K × (97 ÷ 105) = $73,905. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Boise to Charleston
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only