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Idaho Income Tax Calculator

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Overview of Idaho Taxes

Idaho has a progressive income tax system that features a top rate of 6.925%. Sales and property tax rates are relatively low in the state.

Enter your financial details to calculate your taxes
Household Income
Filing Status
401(k) Contribution
IRA Contribution
Itemized Deductions
Number of State Personal Exemptions

Your Income Taxes Breakdown

Tax Type Marginal 
Tax Rate
Tax Rate
Total Income Taxes
Income After Taxes
Retirement Contributions
Take-Home Pay

* These are the taxes owed for the 2020 - 2021 filing season.

Your 2020 Federal Income Tax Comparison

  • Your marginal federal income tax rate
  • Your effective federal income tax rate
  • Your federal income taxes

Total Estimated 2020 Tax Burden

Income Tax $
Sales Tax $
Fuel Tax $
Property Tax$
Total Estimated Tax Burden $
Percent of income to taxes = %
  • About This Answer

    Our income tax calculator calculates your federal, state and local taxes based on several key inputs: your household income, location, filing status and number of personal exemptions. Also, we separately calculate the federal income taxes you will owe in the 2020 - 2021 filing season based on the Trump Tax Plan.

    How Income Taxes Are Calculated

    • First, we calculate your adjusted gross income (AGI) by taking your total household income and reducing it by certain items such as contributions to your 401(k).
    • Next, from AGI we subtract exemptions and deductions (either itemized or standard) to get your taxable income. Exemptions can be claimed for each taxpayer as well as dependents such as one’s spouse or children.
    • Based on your filing status, your taxable income is then applied to the the tax brackets to calculate your federal income taxes owed for the year.
    • Your location will determine whether you owe local and / or state taxes. more
  • Last Updated: January 1, 2021

    When Do We Update? - We regularly check for any updates to the latest tax rates and regulations.

    Customer Service - If you would like to leave any feedback, feel free to email more
  • Our Tax Expert

    Jennifer Mansfield, CPA Tax

    Jennifer Mansfield, CPA, JD/LLM-Tax, is a Certified Public Accountant with more than 30 years of experience providing tax advice. SmartAsset’s tax expert has a degree in Accounting and Business/Management from the University of Wyoming, as well as both a Masters in Tax Laws and a Juris Doctorate from Georgetown University Law Center. Jennifer has mostly worked in public accounting firms, including Ernst & Young and Deloitte. She is passionate about helping provide people and businesses with valuable accounting and tax advice to allow them to prosper financially. Jennifer lives in Arizona and was recently named to the Greater Tucson Leadership Program. more
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Taxes in Idaho

Idaho State Tax Quick Facts

  • Income tax: 1.125% - 6.925%
  • Sales tax: 6.00% - 8.50%
  • Property tax: 0.63% average property tax rate
  • Gas tax: 32 cents per gallon of regular gasoline and diesel

Idaho has enacted several tax cuts in the past decade, lowering rates for top earners from a rate of 7.80% in 2011 down to the current rate of 6.925% for the 2020 tax year. Even with these tax cuts, that remains on the higher side of all the rates in the country. The Gem State also has lower-than-average sales taxes, with a statewide rate of 6% and a limited number of municipal sales taxes. Homeowners in Idaho likewise benefit from taxpayer-friendly policies, facing an average effective property tax rate of 0.63%. The national average is 1.07%.

A financial advisor in Idaho can help you understand how taxes fit into your overall financial goals. Financial advisors can also help with investing and financial plans, including retirement, homeownership, insurance and more, to make sure you are preparing for the future.

Idaho Income Taxes

There are seven income tax brackets in Idaho. Marginal rates begin at 1.125% and reach 6.925% for earners in the top bracket. The table below shows tax rates and brackets for the Idaho personal income tax.

Income Tax Brackets

Single Filers
Idaho Taxable IncomeRate
$0 - $1,5681.125%
$1,568 - $3,1363.125%
$3,136 - $4,7043.625%
$4,704 - $6,2724.625%
$6,272 - $7,8405.625%
$7,840 - $11,7606.625%
Married, Filing Jointly
Idaho Taxable IncomeRate
$0 - $3,1361.125%
$3,136 - $6,2723.125%
$6,272 - $9,4083.625%
$9,408 - $12,5444.625%
$12,544 - $15,6805.625%
$15,680 - $23,5206.625%
Married, Filing Separately
Idaho Taxable IncomeRate
$0 - $1,5681.125%
$1,568 - $3,1363.125%
$3,136 - $4,7043.625%
$4,704 - $6,2724.625%
$6,272 - $7,8405.625%
$7,840 - $11,7606.625%
Head of Household
Idaho Taxable IncomeRate
$0 - $3,1361.125%
$3,136 - $6,2723.125%
$6,272 - $9,4083.625%
$9,408 - $12,5444.625%
$12,544 - $15,6805.625%
$15,680 - $23,5206.625%

Taxpayers in Idaho pay taxes based on total income, which includes wages, salaries, self-employment income, rental income, royalties and various forms of interest income. Social Security is not taxed in Idaho, nor is interest from U.S. Government Obligations. (In order to avoid paying taxes on your Social Security income, you will need to attach Idaho’s Form 39R to your Form 40.)

Filers in Idaho can claim itemized deductions or the standard deduction, whichever is greater. The standard deduction is equal to the federal standard deduction, which for the 2020 tax year is $12,400 for single filers, $24,800 for joint filers and $18,650 for heads of household. The personal exemption was eliminated starting in the 2019 tax year, just as with federal income taxes.

Idaho Tax Credits

Some taxpayers in Idaho may also be able to claim tax credits to lower their tax bill. Idaho credits include the credit for income taxes paid to other states, credits for charitable contributions and live organ donations and the grocery credit (which is available to low-income taxpayers to offset Idaho’s sales tax on food). Since the 2018 tax year, Idaho also has a nonrefundable child tax credit of $205 for each qualifying child.

Idaho Capital Gains Tax

Capital gains are taxed as regular income in Idaho, and subject to the personal income tax rates outlined above. However, certain types of capital gains qualify for a deduction. RSaveeal property that is held for at least one year is eligible for a deduction of 60% of the net capital income (that is the net gain after expenses).

Tangible property (i.e. not stocks, easements or other intangible goods) used in a revenue-producing enterprise and held for at least 12 months is also eligible for the 60% deduction. Farmers and ranchers may be able to claim the deduction for the sale of horses or cattle sold after 12 or more months, and any timber held for at least 24 months is eligible.

Intangible property, like stocks or bonds, does not qualify for the capital gains deduction under any circumstances.

Idaho Sales Tax

Idaho’s state sales tax is 6%. This is the rate you will be charged in almost the entire state, with a few exceptions. In addition, 14 resort cities and three auditorium districts also charge a local sales tax in addition to the state sales tax. These local sales taxes are often called “local option taxes.” The cities with a local sales tax can decide which purchases are subject to the tax and at what rates. For example, it’s common for these cities to charge an additional tax on lodging, alcohol and restaurant food sales. The resort cities with local sales taxes include Donnelly, Driggs, Hailey, Kellogg, Ketchum, Lava Hot Springs, Mackay, McCall, Ponderay, Riggins, Salmon, Sandpoint, Stanley, Sun Valley and Victor.

Local taxes in these locations vary based on what you’re buying. For example, the tax rate you pay on restaurant meals is often different than what you pay on retail sales. In Ponderay and Kellogg, local sales tax is only applied to hotel and motel rooms. Similarly, the Greater Boise Auditorium District, Idaho Falls Auditorium District and Pocatello/Chubbuck Auditorium District collect a sales tax (5%) when you rent a hotel or motel room.

Sales Tax Rates(Updated December 2020)

CityState RateCity RateTotal Sales Tax
Lava Hot Springs6.00%2.00%8.00%
Sun Valley6.00%2.00%8.00%

Idaho sales tax applies to the sale, rental or lease of most goods and some services. Temporary lodging (30 days or less) is taxed. Food is taxed in Idaho, though low-income taxpayers may be eligible for a tax credit to offset the cost of sales taxes paid on food purchases. Prescription drugs, however, are exempt from sales taxes.

Idaho Property Tax

Idaho has relatively low property taxes when compared to the rest of the country. On average, homeowners in the Gem State pay 0.63% of their home values in property taxes each year, which is a total of about $1,616 annually. Property taxes help pay for local services such as schools, law enforcement and libraries.

Property taxes are based on the market value of a home, but homeowners living in a primary residence may be eligible for a property tax exemption of up to $100,000. That means that a person living in a home worth that amount or less could pay no taxes whatsoever.

Enticed by Idaho’s low property taxes? If you’re looking to become a resident, check out our guide to Idaho mortgage rates and getting a mortgage in Idaho.

Idaho Gas Tax

Going for a drive in Sawtooth National Forest? Idaho collects a gas tax of 32 cents per gallon on both regular gasoline and diesel.

Idaho Cigarette Tax

Cigarettes in Idaho are taxed at a rate of 57 cents per pack of 20. The state has had the same rate since 2003 and it's one of the lowest cigarette taxes in the country. There is a separate tobacco tax on other tobacco products like cigars and snuff. That tax is equal to 40% of the wholesale price of the tobacco.

Idaho Alcohol Tax

Alcoholic beverages are taxed at varying rates in Idaho, depending on the type of beverage. The beer tax is relatively low, at just 15 cents per gallon (about 1.4 cents per beer). The state’s liquor tax is significantly higher: $10.90 per gallon, which is one of the highest in the U.S. However, it is still significantly lower than neighboring Washington State, which charges $20.50 per gallon. Therefore, it is common for Washington residents who live near the border to cross state lines and buy their booze in Idaho.

Idaho Estate Tax

There is no estate or inheritance tax in Idaho. Estates may still have to pay the federal estate tax, however.

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  • Nearly one-third of the United States potato crop is grown in Idaho, which is just the 14th largest state by area.
  • 75% of Idaho’s energy is generated by hydroelectric power plants.
  • Boise, which is the state capital of Idaho, is the only city in the state with a population over 100,000.

Places with the Lowest Tax Burden

Are you curious how your tax burden stacks up against others in your state? SmartAsset’s interactive map highlights the counties with the lowest tax burden. Scroll over any county in the state to learn about taxes in that specific area.

Rank County Income Tax Sales Tax Property Tax Fuel Tax


To find the places with the lowest tax burdens, SmartAsset calculated the amount of money a specific person would pay in income, sales, property and fuel taxes in each county in the country.

To better compare income tax burdens across counties, we used the national median household income. We then applied relevant deductions and exemptions before calculating federal, state and local income taxes.

In order to determine sales tax burden, we estimated that 35% of take-home (after-tax) pay is spent on taxable goods. We multiplied the average sales tax rate for a county by the household income after taxes. This balance is then multiplied by 35% to estimate the sales tax paid.For property taxes, we compared the median property taxes paid in each county.

For fuel taxes, we first distributed statewide vehicle miles traveled to the county level using the number of vehicles in each county. We then calculated the total number of licensed drivers within each county. The countywide miles were then distributed amongst the licensed drivers in the county, which gave us the miles driven per licensed driver. Using the nationwide average fuel economy, we calculated the average gallons of gas used per driver in each county and multiplied that by the fuel tax.

We then added the dollar amount for income, sales, property and fuel taxes to calculate a total tax burden. Finally, each county was ranked and indexed, on a scale of 0 to100. The county with the lowest tax burden received a score of 100 and the remaining counties in the study were scored based on how closely their tax burden compares.

Sources: US Census Bureau 2018 American Community Survey, Government Sources, Avalara, American Petroleum Institute, GasBuddy, UMTRI, Federal Highway Administration, SmartAsset