$100K in St. Louis = $111,494 in Missoula
Your $100K salary in St. Louis (COL 87) has the same purchasing power as $111,494 in Missoula (COL 97). Missoula is more expensive — you'd need 11% more to maintain the same lifestyle.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | St. Louis $100K | Missoula $100K (same salary) |
|---|---|---|
| Monthly take-home | $5,929 | $5,754 |
| 1BR rent | $1,300 | $1,300 |
| Groceries | $369 | $376 |
| Transport | $75 | $45 |
| Utilities | $162 | $145 |
| Internet | $60 | $68 |
| Left after essentials | $3,963/month | $3,820/month |
Frequently asked questions
What is $100K in St. Louis equivalent to in Missoula?
$100K in St. Louis (COL index 87) has the same purchasing power as $111,494 in Missoula (COL index 97). That's 11% more than your current salary.
If I move from St. Louis to Missoula keeping my $100K salary, will I be better off?
Not necessarily. Core expenses in Missoula are higher, so on the same $100K salary you'd have $143 less per month. You'd need to earn $111,494 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: $100K × (97 ÷ 87) = $111,494. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — St. Louis to Missoula
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only