$40K in Stockton = $39,200 in Springfield
Your $40K salary in Stockton (COL 100) has the same purchasing power as $39,200 in Springfield (COL 98). Springfield is cheaper — your money goes 2% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Stockton $40K | Springfield $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,418 | $2,562 |
| 1BR rent | $1,500 | $1,450 |
| Groceries | $388 | $391 |
| Transport | $68 | $72 |
| Utilities | $145 | $185 |
| Internet | $65 | $65 |
| Left after essentials | $252/month | $399/month |
Frequently asked questions
What is $40K in Stockton equivalent to in Springfield?
$40K in Stockton (COL index 100) has the same purchasing power as $39,200 in Springfield (COL index 98). That's 2% less than your current salary.
If I move from Stockton to Springfield keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Springfield, you'd have $147 more per month after core expenses — because Springfield is cheaper than Stockton.
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 × (98 ÷ 100) = $39,200. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Stockton to Springfield
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only