State cost profile · 2024 BEA RPP
Cost of Living in South Dakota
Statewide Regional Price Parities for South Dakota from the Bureau of Economic Analysis, overall, goods, services, and rents vs the U.S. average of 100, across 2 metro areas.
- 88.6
- Statewide RPP
- #46
- of 51 states by cost
- 67.6
- Rents RPP
- 2
- Metro areas
South Dakota ranks #46 of 51 states by cost, and its statewide price index has risen 3.6 points since 2008.
- rising since 2008
- rose +0.4 points in the 2023-2024 release
- similar cost to Alabama
The verdict
South Dakota costs less than 90% of U.S. states, a statewide index of 88.6, 11.4% below the national average.
- Rents
- furthest category from 100, at 67.6
- Alabama
- closest statewide cost peer, 0.2 points away
- Sioux Falls
- highest-cost metro, 90.6
- Rapid City
- lowest-cost metro, 89.2
A $100,000 national salary carries the purchasing power of about $112,885 when earned in South Dakota.
Metro areas in South Dakota, ranked by cost
| # | Metro area | Overall | Goods | Services | Rents |
|---|---|---|---|---|---|
| 1 | Sioux Falls | 90.6 | 95.5 | 80.7 | 77.6 |
| 2 | Rapid City | 89.2 | 95.5 | 79.1 | 72.6 |
The Rents RPP index measures housing costs relative to the national average (100). For the federal 40th-percentile Fair Market Rent by bedroom size and county, see the HUD Fair Market Rents dataset.
Latest BEA release change
What changed from 2023 to 2024
South Dakota's overall RPP rose +0.4 points, from 88.1 in 2023 to 88.6 in 2024. The largest category move was rents, changing from 64.8 to 67.6. RPP is a relative price index, so this reports a change against the national benchmark rather than a household's dollar bill.
South Dakota RPP history, 2008–2024
The statewide index has risen 3.6 points from 2008 to 2024. The line shows every retained BEA release against the national benchmark of 100; the table preserves the component detail.
| Year | Overall |
|---|---|
| 2008 | 85.0 |
| 2009 | 86.1 |
| 2010 | 88.8 |
| 2011 | 87.3 |
| 2012 | 90.3 |
| 2013 | 90.2 |
| 2014 | 89.4 |
| 2015 | 87.8 |
| 2016 | 87.3 |
| 2017 | 87.2 |
| 2018 | 91.2 |
| 2019 | 91.8 |
| 2020 | 91.3 |
| 2021 | 90.1 |
| 2022 | 87.9 |
| 2023 | 88.1 |
| 2024 | 88.6 |
Reading the South Dakota Cost of Living Picture
South Dakota sits in an affordability lane closest to Alabama, North Dakota, Louisiana. A lower statewide index does not mean every place or budget category is cheap; it means this state belongs with those peers before a household narrows to a metro. Its category range is 27.8 points: large enough to separate housing-sensitive and service-heavy budgets, but not a single-component outlier.
South Dakota captures 2 metro areas in the BEA dataset, and the range across them is meaningful. Sioux Falls, SD-MN leads on cost at 90.6, while Rapid City, SD sits at the opposite end at 89.2 - a gap of 1.5 index points inside a single state. For goods the state indexes at 95.5, for services 79.7, and for rents 67.6. Rents run 20.9 points below the statewide index here, so housing is what pulls the whole figure down — a household that already owns outright captures much less of that discount than a renter does.
Over time, South Dakota's statewide index has climbed by 3.6 points, meaning the cost gap between this state and cheaper parts of the country has widened. Practically, this means a $100,000 national salary delivers the purchasing power of about $112,885 of national buying power when earned inside South Dakota, and a household relocating here would need roughly $88,586 to reproduce a $100K lifestyle. With 2 reporting metros inside the state, treat this figure as the midpoint of a range rather than a quote for any one address.
South Dakota vs every U.S. state
Where this state sits in the national cost distribution
89 Bottom 10% higher than 10% of 51 US states
Each bar is a band; taller bars hold more US states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Bureau of Economic Analysis, Regional Price Parities · 2024
What this means in South Dakota
The statewide index is a starting point, cost varies metro to metro within South Dakota.
- Don't rely on the state figure alone: Sioux Falls (90.6) and Rapid City (89.2) sit 1 index points apart inside South Dakota. Check your specific metro.
- Rents index at 67.6 (32.4% below average) - the largest swing in the RPP. Review the housing line before any relocation decision. Highest rents
- Weighing South Dakota against another state? Convert your salary to local purchasing power first. Salary calculator
RPP is BEA's annual price-level benchmark (national average = 100) for the data year shown, pair it with local wages and current rents before deciding.
Shareable data card
Take this cost snapshot with you
Download the data card or share this exact state profile. The card uses the same BEA-derived values shown above.
Cost of living guides →, cheapest and most-expensive rankings, cost of living vs wages, and how BEA constructs RPP data.
States with Similar Cost of Living
These states have RPP indices closest to South Dakota, making them useful peers for relocation or budget comparison.
Nationwide states with similar overall cost or rent prices
Two BEA RPP-derived peer sets for South Dakota: nearest states by overall regional price parity and by rents RPP. These are labelled nationwide neighborhoods, distinct from the closest-RPP list above.
Similar overall RPP
Nearest states by overall regional price parity (88.6 here).
Similar rents RPP
Nearest states by rents regional price parity (67.6 here).
Source: Bureau of Economic Analysis, Regional Price Parities Index where national average = 100
Frequently Asked Questions
How much cheaper is living in South Dakota than the U.S. average?
South Dakota has a Regional Price Parity (RPP) index of 88.6, meaning it is 11.4% less expensive than the national average. Goods are indexed at 95.5, services at 79.7, and rents at 67.6.
What salary in South Dakota equals $100K nationally?
To maintain the same purchasing power as a $100,000 salary at the national average, you would need approximately $88,586 in South Dakota. Conversely, $100K earned in South Dakota has the purchasing power of $112,885 at the national average.
How much of South Dakota's affordability is rents?
Rents in South Dakota are indexed at 67.6, which is 32.4% below the national average. The state is relatively affordable for renters.
Which is the most expensive metro in South Dakota?
The most expensive metro area in South Dakota is Sioux Falls, SD-MN with an RPP of 90.6. The most affordable is Rapid City, SD at 89.2. There are 2 metro areas in South Dakota with BEA price data.
Has the cost of living in South Dakota been climbing?
From 2008 to 2024, South Dakota's overall cost index changed by +3.6 points (from 85.0 to 88.6). The cost of living has been trending upward.
Data sources
- BEA Regional Price Parities (RPP), the cost-of-living indices shown on this page
- U.S. Census Bureau, American Community Survey (ACS), gross-rent observations behind the rents component
- BLS Consumer Price Index (CPI), goods and services price relatives
- BLS Occupational Employment and Wage Statistics (OEWS), labor-driven services component
- HUD Fair Market Rents (FMR), 40th-percentile rent cross-reference
Every figure on PlainCost is rendered directly from BEA Regional Price Parity source data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, our changelog, or report a data error. Data current as of 2024. Rankings measure the published cost-of-living index only; we don't recommend where to live or rate any metro's quality of life.