$100K in Eugene = $75,701 in Springfield

Your $100K salary in Eugene (COL 107) has the same purchasing power as $75,701 in Springfield (COL 81). Springfield is cheaper โ€” your money goes 24% further there.

$100K in Eugene, OR
$5,496/mo take-home
Rent: $1,650/mo (30% of take-home)
Manageable
$75,701/yr in Springfield, IL
$4,470/mo take-home
Rent: $1,000/mo (22% of take-home)
Comfortable

Budget breakdown โ€” $100K in both cities

What $100K actually buys you in each city after taxes and core expenses.

Expense
Eugene
$100K
Springfield
$100K (same salary)
Monthly take-home$5,496$5,904
1BR rent$1,650$1,000
Groceries$395$357
Transport$82$48
Utilities$128$155
Internet$65$58
Left after essentials$3,176/month$4,286/month
To match your Eugene purchasing power in Springfield, you'd need to earn $75,701/year (24% less than $100K). At that salary, you'd have $2,852/mo left after essentials โ€” vs $3,176/mo in Eugene.

Frequently asked questions

What is $100K in Eugene equivalent to in Springfield?

$100K in Eugene (COL index 107) has the same purchasing power as $75,701 in Springfield (COL index 81). That's 24% less than your current salary.

If I move from Eugene to Springfield keeping my $100K salary, will I be better off?

Yes. If you keep earning $100K after moving to Springfield, you'd have $1,110 more per month after core expenses โ€” because Springfield is cheaper than Eugene.

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 ร— (81 รท 107) = $75,701. This adjusts for differences in housing, food, transport, and general cost of living.

Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow ยท BLS ยท Numbeo ยท Q1 2026 ยท For general guidance only