$40K in St. Paul = $44,124 in Chicago
Your $40K salary in St. Paul (COL 97) has the same purchasing power as $44,124 in Chicago (COL 107). Chicago is more expensive — you'd need 10% more to maintain the same lifestyle.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | St. Paul $40K | Chicago $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,398 | $2,565 |
| 1BR rent | $1,500 | $1,900 |
| Groceries | $384 | $388 |
| Transport | $95 | $105 |
| Utilities | $195 | $165 |
| Internet | $63 | $65 |
| Left after essentials | $161/month | -$58/month |
Frequently asked questions
What is $40K in St. Paul equivalent to in Chicago?
$40K in St. Paul (COL index 97) has the same purchasing power as $44,124 in Chicago (COL index 107). That's 10% more than your current salary.
If I move from St. Paul to Chicago keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Chicago are higher, so on the same $40K salary you'd have $219 less per month. You'd need to earn $44,124 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: $40K × (107 ÷ 97) = $44,124. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — St. Paul to Chicago
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only