$100K in Boise = $76,190 in Topeka

Your $100K salary in Boise (COL 105) has the same purchasing power as $76,190 in Topeka (COL 80). Topeka is cheaper — your money goes 24% further there.

$100K in Boise, ID
$5,838/mo take-home
Rent: $1,600/mo (27% of take-home)
Comfortable
$76,190/yr in Topeka, KS
$4,454/mo take-home
Rent: $940/mo (21% of take-home)
Very comfortable

Budget breakdown — $100K in both cities

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

Expense
Boise
$100K
Topeka
$100K (same salary)
Monthly take-home$5,838$5,846
1BR rent$1,600$940
Groceries$372$350
Transport$45$40
Utilities$145$150
Internet$60$55
Left after essentials$3,616/month$4,311/month
To match your Boise purchasing power in Topeka, you'd need to earn $76,190/year (24% less than $100K). At that salary, you'd have $2,919/mo left after essentials — vs $3,616/mo in Boise.

Frequently asked questions

What is $100K in Boise equivalent to in Topeka?

$100K in Boise (COL index 105) has the same purchasing power as $76,190 in Topeka (COL index 80). That's 24% less than your current salary.

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

Yes. If you keep earning $100K after moving to Topeka, you'd have $695 more per month after core expenses — because Topeka is cheaper than Boise.

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 × (80 ÷ 105) = $76,190. This adjusts for differences in housing, food, transport, and general cost of living.

Other salary amounts — Boise to Topeka

$40K → $30,476$50K → $38,095$60K → $45,714$75K → $57,143$80K → $60,952$120K → $91,429$150K → $114,286
$100K in Topeka → BoiseMoving from Boise to TopekaBoise vs Topeka — full comparisonCan I afford Boise vs Topeka on $100K?

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