$100K in Rochester = $97,753 in St. Louis
Your $100K salary in Rochester (COL 89) has the same purchasing power as $97,753 in St. Louis (COL 87). St. Louis is cheaper — your money goes 2% further there.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | Rochester $100K | St. Louis $100K (same salary) |
|---|---|---|
| Monthly take-home | $5,746 | $5,929 |
| 1BR rent | $1,300 | $1,300 |
| Groceries | $376 | $369 |
| Transport | $65 | $75 |
| Utilities | $180 | $162 |
| Internet | $65 | $60 |
| Left after essentials | $3,760/month | $3,963/month |
Frequently asked questions
What is $100K in Rochester equivalent to in St. Louis?
$100K in Rochester (COL index 89) has the same purchasing power as $97,753 in St. Louis (COL index 87). That's 2% less than your current salary.
If I move from Rochester to St. Louis keeping my $100K salary, will I be better off?
Yes. If you keep earning $100K after moving to St. Louis, you'd have $203 more per month after core expenses — because St. Louis is cheaper than Rochester.
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 × (87 ÷ 89) = $97,753. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Rochester to St. Louis
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only