$40K in Sioux Falls = $25,000 in Athens
Your $40K salary in Sioux Falls (COL 88) has the same purchasing power as $25,000 in Athens (COL 55). Athens is cheaper — your money goes 37% 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 | Athens $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,428 |
| 1BR rent | $1,250 | $700 |
| Groceries | $365 | $380 |
| Transport | $42 | $150 |
| Utilities | $155 | $90 |
| Internet | $60 | $30 |
| Left after essentials | $856/month | $1,078/month |
Frequently asked questions
What is $40K in Sioux Falls equivalent to in Athens?
$40K in Sioux Falls (COL index 88) has the same purchasing power as $25,000 in Athens (COL index 55). That's 37% less than your current salary.
If I move from Sioux Falls to Athens keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Athens, you'd have $222 more per month after core expenses — because Athens 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 × (55 ÷ 88) = $25,000. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Sioux Falls to Athens
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only