📅 2026 Update: Changes in State Tax Structures

Since the original article was published, several significant updates have taken place regarding state tax structures across the U.S. Notably, many states have adjusted their income tax rates, which can impact taxpayers in South Dakota and beyond. The following sections highlight the most relevant changes that affect tax filing and regulations as of 2026.

📉 State Tax Reforms

Between 2022 and 2026, 20 U.S. states, including South Dakota, have reduced their top marginal personal income tax rates. This shift aims to ease the tax burden on residents. However, three states have increased theirs, showing a mixed landscape for taxpayers across the country.

🏛️ South Carolina's Income Tax Overhaul

Effective January 1, 2026, South Carolina implemented a two-rate income tax system. The new rates are 1.99% on taxable income up to $30,000 and 5.21% on income above that threshold. This change is a drop from the previous top rate of 6.0%, marking a significant simplification for taxpayers.

📅 California Conformity Act of 2025

California made notable changes with the California Conformity Act of 2025. Enacted on October 1, 2025, this law updated the state’s conformity date to the Internal Revenue Code. Now, it aligns with the federal law as of January 1, 2025.

This change affects both personal and corporate income tax filing.

📜 Michigan's Decoupling from Federal Provisions

In 2025, Michigan enacted Public Act 24, which decouples its income taxes from certain federal provisions. Taxpayers must adjust their reported income for Individual Income Tax, Corporate Income Tax, or elective flow-through entity tax starting with the 2025 tax year. This shift requires careful attention during tax preparation.

📌 Key Updates Summary

  • 📉 20 states reduced their top marginal personal income tax rates.
  • 🏛️ South Carolina introduced a two-rate income tax system.
  • 📅 California updated its conformity date to January 1, 2025.
  • 📜 Michigan decoupled its income taxes from specific federal provisions.

💡 Tips for Understanding Tax Changes

Consider discussing your unique tax situation with an attorney to ensure you understand how these updates may affect you.

📊 Review Current Tax Rates

Stay informed about the latest changes in state tax rates. Knowing the current rates helps you better understand your tax obligations and plan accordingly.

🗓️ Keep Track of Filing Deadlines

Mark your calendar for important tax deadlines, such as April 15, 2026, for state tax returns in California and Massachusetts. Missing these dates can lead to penalties.

💻 Utilize Online Tax Tools

Take advantage of online tax preparation tools. Many states, including California, offer online filing options to simplify the tax process.

🆓 Explore Free Assistance Programs

Check for free tax assistance programs available in your state. Programs like VITA and TCE can help eligible individuals and families prepare their tax returns at no cost.

📚 Stay Updated on Tax Laws

Follow changes in tax laws regularly. Knowing about new laws, like Michigan's decoupling from federal provisions, can impact your filing process.

🏆 Tax Services Ranked by User Reviews (2026)

Various tax preparation services can help simplify your filing process. These services have been evaluated based on user reviews to determine their effectiveness. The following rankings are based on Trustpilot data as of October 2026, recognizing that scores may change over time.

Remember that high ratings can indicate satisfaction, but dissatisfied customers tend to leave more reviews, which can skew perceptions.

🥇 1. TaxAct

TaxAct has been rated 4.0 on Trustpilot. It is known for its affordable tax preparation software and user-friendly interface, making it popular among taxpayers. However, some users report issues with customer support and occasional software glitches, which may affect the overall experience.

🥈 2. Optima Tax Relief

Optima Tax Relief holds a 4.5 rating. This service specializes in tax liability investigation and negotiation, offering assistance from licensed tax experts. Although many users appreciate the help they receive, some report higher service fees and slow response times.

🆓 Free Government Tax Assistance

Various free assistance options are available for eligible individuals. Programs like VITA (Volunteer Income Tax Assistance) and TCE (Tax Counseling for the Elderly) provide no-cost tax preparation services. These programs are particularly beneficial for low-income individuals, seniors, and those with disabilities.

🔎 Factors to Compare When Choosing Tax Services

  • 📋 Review scores and customer feedback.
  • 💵 Compare service fees and costs.
  • 🕒 Check processing and refund times.
  • 👥 Look into the availability of customer support.

❓ Frequently Asked Questions

❓ What are the income tax rates in South Dakota?

South Dakota has no state income tax, which is a significant advantage for residents compared to states with higher tax rates.

📅 When is the tax filing deadline for South Dakota?

While South Dakota does not have a state income tax, federal tax returns are typically due on April 15 each year, unless an extension is requested.

🏛️ How do recent tax reforms impact South Dakota residents?

Recent tax reforms across the U.S. can indirectly influence South Dakota residents by changing the competitive landscape and possibly affecting federal policies.

💻 Can I file my taxes online in South Dakota?

Yes, taxpayers in South Dakota can file their federal returns online using various software options approved by the IRS.

🆓 Are there free tax services available in South Dakota?

While specific free tax assistance programs may not be as common in South Dakota, residents can still look for local resources or nonprofit organizations that may offer help.

📚 Where can I find more information on tax changes?

State tax department websites and IRS resources provide up-to-date information on tax laws, rates, and filing requirements.

⚖️ Recent Cases Related to Tax Laws

Recent court rulings have addressed various tax-related issues, impacting how tax laws are interpreted and enforced. These cases often set precedents that can affect taxpayers in South Dakota and beyond.

For more information, you can browse more rulings on the news page.

End of October 2026 Update





Corporate Income Tax Forms


Form 1934 Sales and Use Tax Return Form 1933 Contractor Excise Tax Return

Sales Tax Forms


Form Sales and Use Tax Guide Form E1350V8 Use Tax Form Form E1934V7 Sales Return

Property Tax Forms


Form PT-38C Application for Property Tax Homestead Exemption

South Dakota’s tax burden, at 7.6% of income is well below the national average of 9.8%.  There is no individual state income tax.  There are however, excise and sales taxes.  There are also property taxes that must be given consideration.

South Dakota state sales – 4%, prescription drugs exempt, local sales tax can add 2.75%.  This is lower than most other states.

South Dakota personal income tax


There are no personal income taxes.

South Dakota excise taxes


Taxes will be assessed on alcohol, tobacco, gasoline and other miscellaneous items, at the discretion of the state.

- $1.53 per package of 20 cigarettes

- $3.93/gallon on spirits

📝 See Also

- $.93 per gallon on table wine

- $.27 per gallon of beer

- There is an additional 2% wholesale tax on wines and spirits

- $.24/gallon on gasoline

South Dakota inheritance tax 


The inheritance tax was repealed by voters in 2001.  Estate tax is not collected as the federal government no longer provides a federal estate tax credit.

South Dakota payroll taxes


State Disability Insurance – none

State Unemployment Insurance – 0% to 10.33%, wage base is $11,000.  New employer contribution is 1.75%.  New construction employers use 6.55%.

State minimum wage follows federal standards

South Dakota state property tax


As South Dakota does not have personal income taxes, property taxes fund schools and local governments.  The state does not collect property taxes but will conduct assessments for taxation.

Properties are taxed by two or more of the following governments:

- Cities

- Counties

- Townships

- school districts

- water districts

- fire districts

- sanitary sewer districts

Local tax assessors assess properties for taxation and all but schools are capped in the amount they can tax per property.  Property is assessed for 85% of its market value.  The tax cap increases with changes in the consumer price index, as well as new construction on the house.  A county Board of Equalization will hear all complaints regarding assessed taxation.

South Dakota state corporate tax


There is no corporate tax rate in South Dakota.  Companies will be assessed for property taxes.

Exemptions


Needy residents (yearly income under 9,750 for single or $12,750 for household) that are 65 and older may be eligible for a sales tax refund.

Disabled veterans may receive a property tax exemption of up to $100,000 on the assessed value of their house.  The veteran must be totally disabled to receive this exemption

Single homeowners that are 66 or older can receive a refund of 35% of taxes paid if the combined household income is less than $13,250.

Disabled, social security and veteran’s benefits are generally exempt from taxation.

In an effort to stimulate business growth in South Dakota, South Dakota has the lowest business tax burden in the country. Average South Dakotans only spend 7.9% of their income of taxes. South Dakota ranks 20th in states with the lowest tax burden.

The state does not levy corporate or personal state income taxes. The state's only form of direct taxation is the property tax; however, the state's property taxes represent the median property tax rates in comparison to the other 49 states. Sales taxes are not levied by the state government. Instead, county governments legislate the sales tax rate. The highest sales tax in South Dakota is 6%. Only tangible property is taxable in South Dakota.

Corporate Taxes


South Dakota does not impose a corporate income tax on businesses headquartered within the state. South Dakota imposes a bank franchise tax and a bank card tax estimated at $87 per capita. Many corporations are choosing to move to Dakota because corporate taxes within the state are lower than most states.

Personal Income Taxes


South Dakota does not impose state personal income taxes.

Sales Taxes


South Dakota consumers pay general sales taxes as determined by the county. The State sales tax rate is 4%. Sales taxes also apply to services that are used instead of purchased. Pierre, the state capital, makes about $1,600 per resident in general and selective sales taxes. Gas sales taxes in South Dakota are imposed by the state government. The Gas tax rate currently stands at 24 cents per gallon. Cigarette Taxes are among the lowest in the county at $1.53 per pack. The State sales taxes were first implemented in 1933. Tobacco taxes were adopted in 1923. South Dakota taxes table wine at 93 cents per gallon and beer at 27 cents per gallon.

Businesses collect sales taxes and are obliged to send the revenue to the government. Lessees of motor vehicles pay 4.5% of the total receipts. In an effort to bolster tourism to the Mount Rushmore state, South Dakota imposes a 1% tax on tourism related services. Consumers who buy products on Indian reservations are exempt from paying South Dakota sales taxes. Indian Reservations collect their own sales taxes, give the revenue to Pierre and are reimbursed according to the state population ratio of Native Americans to non-Native Americans within a county.

Property Taxes 


Property taxes in South Dakota represent the median range of property taxes when compared to other states. The government's coffers fill with approximately $1,000 of revenue from property owners. Property taxes are levied by the county governments. South Dakota is one of 13 states that do not levy property taxes at the state level.  If you need legal advice and assistance, contact South Dakota lawyers.

Introduction


Taxes are an inevitable part of our lives, and every state has its own set of tax laws. South Dakota is no exception to this rule. In this article, we are going to take a deep dive into the tax laws of South Dakota. We will provide you with all the important information you need to know, from the state income tax to property taxes and sales taxes.

South Dakota State Tax


South Dakota is one of the few states in the country that has no state income tax. In other words, you don’t have to pay state taxes on your income in South Dakota. This means that if you earn $50,000 per year, you get to keep the entire $50,000.

However, this doesn’t mean that South Dakota doesn’t collect any taxes. Although there is no state income tax, there are still other taxes that you need to pay in the state, such as property tax, sales tax, and vehicle registration fees.

Property Tax


Property tax is a tax on the value of your property, including your home, land, and any other real property you may own. The property tax rate in South Dakota varies depending on the county you live in. The state sets a general levy rate of 6%, but the counties can set their own rates on top of this.

As of 2021, the average property tax rate in South Dakota is 1.28% of the assessed value of your property. This means that if your home is assessed at $200,000, you would have to pay roughly $2,560 in property taxes per year.

Sales Tax


Sales tax is a tax on the purchase of goods and services. In South Dakota, the sales tax rate is 4.5%. Additionally, some cities and towns in South Dakota also charge a municipal sales tax on top of the state sales tax.

As of 2021, the average sales tax rate in South Dakota is 6.40%. For example, if you buy a car in Rapid City, which has a municipal sales tax rate of 2%, you would have to pay a total sales tax of 6.5% (4.5% state tax + 2% municipal tax) on the purchase.

Vehicle Registration Fees


If you own a vehicle in South Dakota, you are required to register it with the state. The registration fee is based on the age and weight of your vehicle. The fee for a passenger car or light truck (under 10,000 pounds) is $34.20, with an additional $15.00 fee for each year of registration.

If your vehicle weighs more than 10,000 pounds, the fee will be higher. For example, the fee for a vehicle weighing between 10,001 and 16,000 pounds is $168.00 plus an additional $20.00 fee for each year of registration.

Tax Credits and Deductions


While South Dakota does not have any state income tax, there are still tax credits and deductions that you may be eligible for. Here are some of the most common tax credits and deductions available in South Dakota:

1. Property Tax Refund: If you are a homeowner and paid property taxes in the state, you may be eligible for a property tax refund. The refund is based on your income and the amount of property taxes you paid.

2. Sales Tax Refund: If you are a resident of South Dakota and purchased goods or services outside of the state, you may be eligible for a sales tax refund. You can claim a refund for up to 4% of the sales price of the goods or services you purchased.

3. Earned Income Tax Credit: The Earned Income Tax Credit (EITC) is a federal tax credit for low and moderate-income taxpayers. South Dakota does not have a state EITC, but you may still be eligible for the federal credit.

4. Charitable Donations: If you donate money or goods to a qualified charitable organization in South Dakota, you may be able to claim a deduction on your federal income tax return.

Conclusion


In conclusion, South Dakota is a tax-friendly state for residents because it has no state income tax. However, residents still have to pay property taxes, sales tax, and vehicle registration fees. South Dakota also offers some tax credits and deductions for eligible taxpayers. It’s important to understand all the tax laws in the state to avoid any surprises and properly plan your finances. If you have any questions or concerns about taxes in South Dakota, it’s always best to consult a tax professional.