$40K in Sioux Falls = $39,545 in Duluth
Your $40K salary in Sioux Falls (COL 88) has the same purchasing power as $39,545 in Duluth (COL 87). Duluth is cheaper — your money goes 1% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Sioux Falls $40K | Duluth $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,398 |
| 1BR rent | $1,250 | $1,200 |
| Groceries | $365 | $369 |
| Transport | $42 | $60 |
| Utilities | $155 | $165 |
| Internet | $60 | $62 |
| Left after essentials | $856/month | $542/month |
Frequently asked questions
What is $40K in Sioux Falls equivalent to in Duluth?
$40K in Sioux Falls (COL index 88) has the same purchasing power as $39,545 in Duluth (COL index 87). That's 1% less than your current salary.
If I move from Sioux Falls to Duluth keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Duluth, you'd have $-314 more per month after core expenses — because Duluth is cheaper than Sioux Falls.
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 ÷ 88) = $39,545. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Sioux Falls to Duluth
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only