$150K in Idaho Falls = $150,000 in Columbia
Your $150K salary in Idaho Falls (COL 87) has the same purchasing power as $150,000 in Columbia (COL 87). Columbia is more expensive — you'd need 0% more to maintain the same lifestyle.
Budget breakdown — $150K in both cities
What $150K actually buys you in each city after taxes and core expenses.
| Expense | Idaho Falls $150K | Columbia $150K (same salary) |
|---|---|---|
| Monthly take-home | $8,219 | $8,169 |
| 1BR rent | $1,100 | $1,250 |
| Groceries | $365 | $361 |
| Transport | $35 | $45 |
| Utilities | $142 | $152 |
| Internet | $65 | $60 |
| Left after essentials | $6,512/month | $6,301/month |
Frequently asked questions
What is $150K in Idaho Falls equivalent to in Columbia?
$150K in Idaho Falls (COL index 87) has the same purchasing power as $150,000 in Columbia (COL index 87). That's 0% less than your current salary.
If I move from Idaho Falls to Columbia keeping my $150K salary, will I be better off?
Not necessarily. Core expenses in Columbia are higher, so on the same $150K salary you'd have $211 less per month. You'd need to earn $150,000 to maintain the same standard of living.
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: $150K × (87 ÷ 87) = $150,000. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to Columbia
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only