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Indiana Paycheck Overview

Indiana uses a flat state income tax rate of 3.05% on adjusted gross income, one of the lower flat rates in the country. However, what makes Indiana unique is its mandatory county income tax system. Every one of Indiana's 92 counties imposes an additional local income tax, with rates ranging from as low as 0.5% in some counties to as high as 3.38% in others. This means a Hoosier worker's total state and local income tax burden can range from 3.55% to 6.43%, depending on where they live. The county tax is based on the taxpayer's county of residence as of January 1 of the tax year, not where they work.

For a typical Indiana worker earning around $2,100 bi-weekly ($54,600 annually), the state tax alone amounts to about $1,665 per year. Adding a county tax at the statewide average rate of approximately 1.6% brings the combined total to roughly $2,539. Indiana does not use a standard deduction; instead, it offers personal exemptions of $1,000 per filer and $1,500 per dependent, along with a few targeted deductions for renters and homeowners.

Indiana State Income Tax Rate for 2026

Indiana's flat 3.05% rate applies to adjusted gross income as calculated on the federal return, with certain Indiana-specific modifications. The rate was reduced from 3.15% to 3.05% as part of a series of gradual rate reductions enacted by the legislature. Further reductions may occur in future years if state revenue targets are met. Indiana does not have a standard deduction but provides a personal exemption of $1,000 per taxpayer and spouse, $1,500 per dependent, and additional exemptions of $1,000 for those age 65 and over or who are blind.

The state also offers a $3,000 renter's deduction and a modest additional deduction for homeowners paying property taxes. Combined, these exemptions and deductions reduce taxable income, but they are significantly less generous than the federal standard deduction used by states like Arizona. For a single filer with no dependents, the $1,000 personal exemption means that nearly all of your federal AGI is subject to Indiana's 3.05% rate.

Here is a worked example for a single filer in Marion County (Indianapolis) earning $54,600:

• Federal AGI: $54,600
• Personal exemption: $1,000
• Renter's deduction (if applicable): $3,000
• Indiana taxable income: $50,600
• State tax (3.05%): $50,600 x 0.0305 = $1,543
• Marion County tax (2.02%): $54,600 x 0.0202 = $1,103
• Combined state + county: $2,646
• Effective combined rate: 4.85%

The county tax is calculated on a slightly different base (federal AGI before Indiana deductions in most counties), so the exact calculation varies. This example illustrates why the county rate is such an important factor in Indiana paycheck planning.

Indiana County Income Taxes

Indiana's county income tax is a distinctive and significant feature of the state's tax system. Unlike most states where local taxes are limited to a few large cities, every Indiana county imposes a county income tax. The rates vary widely and are set by county councils. Some notable rates for 2026 include:

• Marion County (Indianapolis): 2.02%
• Allen County (Fort Wayne): 1.35%
• Lake County (Gary, Hammond): 1.5%
• St. Joseph County (South Bend): 1.75%
• Hamilton County (Carmel, Fishers): 1.0%
• Monroe County (Bloomington): 1.345%
• Vanderburgh County (Evansville): 1.35%
• Pulaski County: 3.38% (highest in the state)
• Adams County: 1.614%
• Ohio County: 0.5% (one of the lowest)

The county tax is withheld by your employer based on your county of residence, not your county of employment. If you move to a different county, you should update your WH-4 form with your employer to ensure the correct rate is withheld. Our calculator estimates the state-level 3.05% tax; you should add your county rate to get the complete picture of your Indiana income tax burden.

Indiana Credits and Deductions

Indiana offers several state-specific credits and deductions that can help reduce your tax liability:

• Earned Income Credit: Indiana provides a state earned income credit equal to 10% of the federal EITC. A single parent with two children earning $40,000 who receives a $3,500 federal EITC would get an additional $350 from Indiana.
• Unified Tax Credit for the Elderly: Indiana residents age 65 and older with federal AGI under $10,000 may qualify for a credit of up to $140 ($280 if both spouses qualify).
• Indiana 529 Plan Credit: Indiana offers a 20% tax credit (not just a deduction) on contributions to a CollegeChoice 529 plan, up to $1,500 in credits per year. This means a $7,500 contribution generates a $1,500 credit, one of the most generous 529 incentives in the nation.
• Renter's Deduction: Indiana allows a $3,000 deduction from state taxable income for rent paid on your principal residence, saving approximately $92 in state tax.
• Residential Energy Credit: A credit of up to $100 is available for qualified energy-efficient home improvements.
• Property Tax Deduction: Homeowners may deduct up to $2,500 per year in property taxes paid from Indiana taxable income, saving about $76 in state tax.

Cost of Living Considerations

Indiana's cost of living is approximately 10% to 15% below the national average, making it one of the more affordable states in the Midwest and the nation. Housing is the primary driver of savings, with median home prices in Indianapolis around $260,000, well below major metro averages. Fort Wayne, Evansville, and South Bend are even more affordable. The Indianapolis metro area has a growing economy driven by healthcare, logistics, technology, and pharmaceutical sectors, with Eli Lilly and Salesforce among major employers. Bloomington has higher costs at around $290,000 median home price due to Indiana University. The Carmel and Fishers suburbs of Indianapolis (Hamilton County) are pricier at around $380,000 to $420,000 but benefit from a lower county tax rate (1.0% vs 2.02% in Marion County). The combination of low income tax, affordable housing, and growing job markets gives Indiana workers solid purchasing power relative to their earnings. A $54,600 salary in Indianapolis provides purchasing power comparable to $70,000 or more in Chicago after accounting for housing, taxes, and daily expenses.

Tips for Indiana Workers

• Know your county rate: Your total Indiana income tax is the 3.05% state rate plus your county rate. Look up your specific county rate on the Indiana Department of Revenue website to accurately estimate your take-home pay.
• Update your WH-4 after moving: If you move to a different county, file an updated WH-4 with your employer immediately. County rates can differ by 1% or more, which significantly affects your withholding accuracy.
• Claim the renter's deduction: Indiana offers a $3,000 deduction for renters, which saves approximately $92 in state tax. It is modest but should not be overlooked when filing your state return.
• Maximize pre-tax contributions: Indiana starts with federal AGI, so pre-tax 401(k), 403(b), and HSA contributions reduce both your federal and Indiana state tax. A $10,000 pre-tax contribution saves $305 in state tax plus the county tax savings.
• Compare county rates when relocating within Indiana: If you are choosing between suburban counties around Indianapolis, the difference between Hamilton County (1.0%) and Marion County (2.02%) is over $1,000 per year on a $100,000 income. County selection has real financial consequences.
• Take advantage of the 529 credit: Indiana's CollegeChoice 529 plan credit of 20% on contributions (up to $1,500 in credits) is among the most generous in the nation. Contributing $7,500 per year generates $1,500 in state tax credits, which for many families can nearly eliminate their state tax liability.
• Claim the property tax or renter's deduction: Homeowners can deduct up to $2,500 in property taxes paid, while renters can deduct $3,000. These are automatic deductions that should not be overlooked when filing your Indiana return, saving $76 to $92 respectively.

How Indiana Compares to Other States

Indiana's 3.05% state rate is among the lowest flat rates nationally. Here is how a single filer earning $54,600 compares across Midwestern states, including county taxes where applicable:

• Indiana (Hamilton County, 1.0%): approximately $1,665 state + $546 county = $2,211 combined
• Indiana (Marion County, 2.02%): approximately $1,665 state + $1,103 county = $2,768 combined
• Illinois: approximately $2,703 (flat 4.95%, no local tax)
• Michigan: approximately $2,202 (flat 4.25%, no local tax for most)
• Ohio: approximately $1,100 (progressive 0% to 3.75%)
• Kentucky: approximately $2,184 (flat 4%)

In a low-county-rate area, Indiana beats most neighboring states. In Marion County, the combined 5.07% rate is higher than Michigan's flat 4.25% and comparable to Illinois' flat 4.95%. Ohio's progressive system tops out at 3.75% but has no broad local income taxes, making it cheaper for most earners. The key insight is that Indiana's tax competitiveness depends heavily on which county you live in, and the CollegeChoice 529 credit can offset a meaningful portion of the tax for families with children.

Frequently Asked Questions

What is Indiana's state income tax rate?

Indiana has a flat state income tax rate of 3.05%. However, every one of Indiana's 92 counties also imposes a county income tax ranging from 0.5% to 3.38%, making the combined rate anywhere from 3.55% to 6.43%. The county tax is based on your county of residence as of January 1 of the tax year, not where you work. You should update your WH-4 form with your employer if you move to a different county.

Does Indiana have county income taxes?

Yes. All 92 Indiana counties impose a county income tax. Rates vary widely, from 0.5% in some counties to 3.38% in Pulaski County. Marion County (Indianapolis) is 2.02%, Hamilton County (Carmel/Fishers) is 1.0%, and Allen County (Fort Wayne) is 1.35%. This is in addition to the 3.05% state rate.

Are Indiana county taxes included in this calculator?

No. This calculator estimates the 3.05% state income tax plus federal taxes and FICA. You should add your specific county income tax rate to determine your total take-home pay. For example, Marion County residents should add 2.02% and Hamilton County residents should add 1.0%. Current county rates are available on the Indiana Department of Revenue website and are updated annually.

How does Indiana compare to Illinois for taxes?

Indiana's state rate (3.05%) is lower than Illinois (4.95%), but Indiana adds mandatory county taxes (0.5% to 3.38%). In low-county-rate areas, Indiana is significantly cheaper. In Marion County (2.02% county rate), the combined 5.07% is close to Illinois' flat 4.95%. Illinois does not have local income taxes.