$120K in Duluth = $120,000 in Bismarck
Your $120K salary in Duluth (COL 87) has the same purchasing power as $120,000 in Bismarck (COL 87). Bismarck is more expensive — you'd need 0% more to maintain the same lifestyle.
Budget breakdown — $120K in both cities
What $120K actually buys you in each city after taxes and core expenses.
| Expense | Duluth $120K | Bismarck $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,165 | $6,905 |
| 1BR rent | $1,200 | $1,150 |
| Groceries | $369 | $369 |
| Transport | $60 | $42 |
| Utilities | $165 | $152 |
| Internet | $62 | $65 |
| Left after essentials | $4,309/month | $5,127/month |
Frequently asked questions
What is $120K in Duluth equivalent to in Bismarck?
$120K in Duluth (COL index 87) has the same purchasing power as $120,000 in Bismarck (COL index 87). That's 0% less than your current salary.
If I move from Duluth to Bismarck keeping my $120K salary, will I be better off?
Not necessarily. Core expenses in Bismarck are higher, so on the same $120K salary you'd have $818 less per month. You'd need to earn $120,000 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: $120K × (87 ÷ 87) = $120,000. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Duluth to Bismarck
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only