$40K in Peoria = $41,928 in Detroit
Your $40K salary in Peoria (COL 83) has the same purchasing power as $41,928 in Detroit (COL 87). Detroit is more expensive — you'd need 5% 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 | Peoria $40K | Detroit $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,562 | $2,592 |
| 1BR rent | $1,050 | $1,200 |
| Groceries | $361 | $369 |
| Transport | $55 | $65 |
| Utilities | $158 | $175 |
| Internet | $60 | $60 |
| Left after essentials | $878/month | $723/month |
Frequently asked questions
What is $40K in Peoria equivalent to in Detroit?
$40K in Peoria (COL index 83) has the same purchasing power as $41,928 in Detroit (COL index 87). That's 5% more than your current salary.
If I move from Peoria to Detroit keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Detroit are higher, so on the same $40K salary you'd have $155 less per month. You'd need to earn $41,928 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 × (87 ÷ 83) = $41,928. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Peoria to Detroit
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only