United States
Cost of living in South Dakota
Cost of living in South Dakota carries an RPP of 88.6, placing prices 11.4 percent below the US average and ranking the state 46th nationally. South Dakota has no state income tax, which puts it in a small group of states where wages face no state-level income deduction at all. Sales tax is 4.2 percent, reduced from 4.5 percent under SB 2058 effective through mid-2027. For a full picture of the tax position: residents pay no income tax and a below-average sales tax, both at once, while also living in a state where prices are well below the national level. That combination is meaningful for budgeting. Rapid City and Sioux Falls are the main population centers and both remain affordable by national standards. South Dakota consistently attracts retirees and small-business owners partly because of how the no-income-tax policy interacts with the low price floor.
Price level
88.6
US = 100
National rank
46th
of 51, dearest first
Income tax
None
none
Sales tax
4.2%
state base rate
What your salary is worth in South Dakota
Because prices here sit at 88.6 against the national 100, the same paycheck stretches differently than it would elsewhere. These figures hold buying power constant: the salary listed is what you would need in South Dakota to live as you would on the reference amount in another place.
| Same lifestyle as | $60,000 | $100,000 |
|---|---|---|
| US average | $53,160 | $88,600 |
| California (dearest) | $48,022 | $80,036 |
| Arkansas (cheapest) | $61,174 | $101,956 |
Compare South Dakota with anywhere in the US
To live the same in California you need
$87,460
to match $70,000 in South Dakota
Price level, US = 100
The equivalent salary keeps your purchasing power constant: it is your pay scaled by the ratio of the two price levels. Regional Price Parities measure what a fixed basket of goods and services costs locally. Source: U.S. Bureau of Economic Analysis, 2024.
South Dakota in context
The absence of state income tax is South Dakota's most financially significant feature for high earners and retirees drawing from investment or retirement accounts. Combined with the reduced sales tax rate, the state's total tax take from individuals is low by any national comparison. Housing in Sioux Falls and Rapid City is inexpensive relative to comparably sized metros, and rural areas are cheaper again. The Badlands corridor and tourism-heavy areas near Mount Rushmore carry slightly elevated prices for services, but these are localized. South Dakota suits people who receive income from sources that would otherwise face state income taxation: freelancers, retirees drawing pension or IRA distributions, and workers in high-income fields who relocated after the remote-work shift. The price level and tax structure together make the financial case straightforward.
The closest state above South Dakota on price is Alabama at 88.8. Just below sits Louisiana at 88.2.
Frequently asked questions
Is South Dakota expensive to live in?
South Dakota sits at a price level of 88.6 where the US average is 100, so a typical basket of goods and services costs about 11% less than the national norm. That ranks it 46th most expensive of 51 states. Housing is usually the largest single driver of the gap.
What salary do you need in South Dakota?
To match the buying power of $60,000 earned at the US average, you would need about $53,160 in South Dakota. The figure scales with the price level: a place dearer than average needs more, a cheaper one needs less. Your own number also depends on housing choice and household size.
How much tax does South Dakota charge?
South Dakota applies no state income tax and a base state sales tax of 4.2%. No state individual income tax. State sales tax base rate 4.2% (reduced from 4.5% via SB 2058, in effect through mid-2027 sunset). Local jurisdictions can add their own sales tax on top.
Cost of living in other states
Price levels are Regional Price Parities from the U.S. Bureau of Economic Analysis, Regional Price Parities (SARPP, MARPP), 2024 (public domain). State tax figures are the latest published rates from state revenue departments. All figures are estimates for general comparison and not financial advice; your own costs depend on housing, household size and lifestyle.