$150K in Detroit = $151,724 in Rapid City
Your $150K salary in Detroit (COL 87) has the same purchasing power as $151,724 in Rapid City (COL 88). Rapid City is more expensive — you'd need 1% more to maintain the same lifestyle.
Budget breakdown — $150K in both cities
What $150K actually buys you in each city after taxes and core expenses.
| Expense | Detroit $150K | Rapid City $150K (same salary) |
|---|---|---|
| Monthly take-home | $8,431 | $8,944 |
| 1BR rent | $1,200 | $1,200 |
| Groceries | $369 | $365 |
| Transport | $65 | $40 |
| Utilities | $175 | $148 |
| Internet | $60 | $65 |
| Left after essentials | $6,562/month | $7,126/month |
Frequently asked questions
What is $150K in Detroit equivalent to in Rapid City?
$150K in Detroit (COL index 87) has the same purchasing power as $151,724 in Rapid City (COL index 88). That's 1% more than your current salary.
If I move from Detroit to Rapid City keeping my $150K salary, will I be better off?
Not necessarily. Core expenses in Rapid City are higher, so on the same $150K salary you'd have $564 less per month. You'd need to earn $151,724 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: $150K × (88 ÷ 87) = $151,724. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Detroit to Rapid City
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only