How does Idaho’s tax code compare? Idaho has a flat 5.8 percent individual income tax rate. Idaho has a 5.8 percent corporate income tax rate. Idaho also has a 6.00 percent state sales tax rate and an average combined state and local sales tax rate of 6.03 percent. Idaho has a 0.47 percent effective property tax rate on owner-occupied housing value.
Idaho does not have an estate tax or inheritance tax. Idaho has a 33 cents per gallon gas tax rate and a $0.57 cigarette excise tax rate. The State of Idaho collects $4,541 in state and local tax collections per capita. Idaho has $3,135 in state and local debt per capita and has an 89 percent funded ratio of public pension plans. Idaho’s tax system ranks 11th overall on the 2025 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Idaho is no exception. The first step towards understanding Idaho’s tax code is knowing the basics. How does Idaho collect tax revenue? Click the tabs below to learn more! You can also explore our state tax maps, which are compiled from our annual publication, Facts & Figures 2024: How Does Your State Compare?
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The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
115 min read
Facts & Figures serves as a one-stop state tax data resource that compares all 50 states on over 40 measures of tax rates, collections, burdens, and more.
2 min read
Tax burdens rose across the country as pandemic-era economic changes caused taxable income, activities, and property values to rise faster than net national product. Tax burdens in 2020, 2021, and 2022 are all higher than in any other year since 1978.
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Graduated corporate rates are inequitable—that is, the size of a corporation bears no necessary relation to the income levels of the owners.
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An ideal sales tax applies to a broad base of final consumer goods and services, with few exemptions, and is levied at a low rate.
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