Cost of Living in Idaho — Housing, Taxes & Everyday Expenses
Outdoor lifestyle, growing Boise metro, near national average costs
Data: 2026-Q2 · BLS · HUD · KFFOverview
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
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%.