Free South Dakota (SD) Financial Calculators

South Dakota (SD) is one of the states that does not levy a state income tax, making it an attractive destination for workers and retirees looking to keep more of their earnings. This can result in significant annual savings compared to states with high income tax rates.

Housing costs: The median home price in South Dakota is $260,000 with an effective property tax rate of 1.14%.At 1.14%, property taxes in South Dakota are near the national average of approximately 1.1%, which can make homeownership more affordable over the long term.Use our mortgage calculator to estimate your full monthly payment including property taxes and homeowners insurance.

Income and cost of living: The median household income in South Dakota is $65,000. With a cost of living index of 92 (national average = 100), South Dakota is8% below the national average, meaning your dollars go further for everyday expenses like groceries, utilities, and transportation.

Tools for South Dakota residents: Use the calculators above to estimate your income taxes, mortgage payments, auto insurance costs, and more using South Dakota-specific data.We also have financial tools for 1 cities in South Dakota, including Sioux Falls.All calculators are free to use with no account required, updated with current rates and data for the 2026 tax year.