$120K in Lafayette = $135,529 in St. George
Your $120K salary in Lafayette (COL 85) has the same purchasing power as $135,529 in St. George (COL 96). St. George is more expensive — you'd need 13% 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 | Lafayette $120K | St. George $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,725 | $6,685 |
| 1BR rent | $1,100 | $1,300 |
| Groceries | $361 | $372 |
| Transport | $42 | $40 |
| Utilities | $208 | $148 |
| Internet | $58 | $63 |
| Left after essentials | $4,956/month | $4,762/month |
Frequently asked questions
What is $120K in Lafayette equivalent to in St. George?
$120K in Lafayette (COL index 85) has the same purchasing power as $135,529 in St. George (COL index 96). That's 13% more than your current salary.
If I move from Lafayette to St. George keeping my $120K salary, will I be better off?
Not necessarily. Core expenses in St. George are higher, so on the same $120K salary you'd have $194 less per month. You'd need to earn $135,529 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 × (96 ÷ 85) = $135,529. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Lafayette to St. George
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only