$100K in Boulder = $81,061 in Eugene
Your $100K salary in Boulder (COL 132) has the same purchasing power as $81,061 in Eugene (COL 107). Eugene is cheaper — your money goes 19% further there.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | Boulder $100K | Eugene $100K (same salary) |
|---|---|---|
| Monthly take-home | $5,954 | $5,496 |
| 1BR rent | $2,300 | $1,650 |
| Groceries | $414 | $395 |
| Transport | $80 | $82 |
| Utilities | $138 | $128 |
| Internet | $68 | $65 |
| Left after essentials | $2,954/month | $3,176/month |
Frequently asked questions
What is $100K in Boulder equivalent to in Eugene?
$100K in Boulder (COL index 132) has the same purchasing power as $81,061 in Eugene (COL index 107). That's 19% less than your current salary.
If I move from Boulder to Eugene keeping my $100K salary, will I be better off?
Yes. If you keep earning $100K after moving to Eugene, you'd have $222 more per month after core expenses — because Eugene is cheaper than Boulder.
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: $100K × (107 ÷ 132) = $81,061. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Boulder to Eugene
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only