Idaho Falls vs Lafayette
Metro-area medians — Idaho Falls, ID Metro Area vs Lafayette-West Lafayette, IN Metro Area — not the cities proper.
Lafayette comes out ahead, winning 5 of the 8 clearly-decided measures.
Idaho Falls and Lafayette cost about the same to live in, but Idaho Falls households earn about 27% more. Adjusted for local prices, a typical paycheck stretches further in Idaho Falls.
Their widest everyday difference: Lafayette has the tighter job market — 3.6% unemployment versus 5%.
For your salary & household
Enter your pay and household size to see what it's really worth here — the numbers update live and the link stays shareable.
On $75,000 for just you, Lafayette leaves you about $1,600/yr better off after tax and local prices.
Take-home estimates a single filer taking the standard deduction (2025 federal brackets, FICA, and state income tax) and isn't tax advice. “Real value” rebases take-home to average U.S. prices using the BEA cost-of-living index; the per-person figure uses the OECD square-root equivalence scale.
Choose Idaho Falls for
- + Livability (CityLedger)
- + Cost-adjusted income (pay's real value)
- + Median household income
Choose Lafayette for
- + Median rent
- + Median home value
- + Unemployment
- + Bachelor's degree or higher
- + Average commute
More comparisons
Metros closest to Idaho Falls and Lafayette on cost, income, size, and education.
Idaho Falls vs Lafayette — frequently asked
- Is Idaho Falls cheaper than Lafayette?
- They are about even — the overall cost of living in the Idaho Falls and Lafayette metros is within 3% of each other (BEA Regional Price Parities), so neither is meaningfully cheaper.
- Which has higher household income, Idaho Falls or Lafayette?
- Idaho Falls has the higher median household income — $85,767 versus $67,515 (U.S. Census Bureau, ACS), about 27% more.
- Does a paycheck go further in Idaho Falls or Lafayette?
- A paycheck stretches further in Idaho Falls. Adjusted for local prices, the median income is worth $90,843 there versus $72,263 in Lafayette.
- Which has cheaper rent, Idaho Falls or Lafayette?
- Lafayette has cheaper rent — a median of $1,126/mo versus $1,257/mo (U.S. Census Bureau, ACS).