Cost of Living in Idaho — Housing, Taxes & Everyday Expenses

Outdoor lifestyle, growing Boise metro, near national average costs

Data: 2026-Q2 · BLS · HUD · KFF

Overview

Idaho has seen significant population growth driven by California and Washington migrants seeking lower costs. Boise has become a tech hub with rising but still below-coastal housing costs.

Housing costs

Median 1BR rent in Boise is approximately $1,300. Costs rose dramatically 2019-2022 but have moderated. Smaller Idaho cities are significantly more affordable.

Tax reality

5.3% flat rate effective 2025, retroactive (HB 40, Tax Foundation)

Everyday expenses

At a cost of living index of 99, Idaho is about 1% cheaper than the national average of 100. Idaho offers a lower-cost alternative to Washington and California with outdoor lifestyle access.

Salary reality in Idaho

$40-60k ~$3,297/mo take-home
$60-80k ~$4,493/mo take-home
$80-100k ~$5,578/mo take-home
FAQ

Cost of Living in Idaho — FAQ

Is Idaho affordable?

Idaho's cost of living index is approximately 99, near the national average. It was significantly cheaper before 2019 but has risen with population influx.

What is Idaho's income tax rate?

Idaho has a flat income tax rate of 5.8%.

Related

Full Idaho Income Reality → Cheapest States All Cost of Living Guides

Income Reality Check is an educational tool, not financial advice. Your situation has more dimensions than any tool can capture.