Mind-boggled by South Dakota Demographics?

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Get the South Dakota demographic data that you need. You can get the most current South Dakota data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

  • 2020 The South Dakota population is 886,667 people according to the US Census Bureau's 2020 Census.
  • 2019 The South Dakota median household income in the past 12 months is $58,275 in 2019 inflation-adjusted dollars according to the US Census Bureau's 2019 American Community Survey.
  • 2020 South Dakota has 393,375 housing units according to the US Census Bureau's 2020 Census.

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To learn more, click on the letter that the name of your city or county begins with.

How Current are the Data?

The South Dakota demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from the 2020 Census or 2019 datasets – specifically the 2019 American Community Survey (ACS) 5-year dataset. We use the Census’ ACS 5-year dataset for 3 reasons.

  1. It’s updated every year.
  2. It typically has the smallest margins of error of the Census’ ACS datasets.
  3. It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We’re constantly updating the demographic reports and this site with the most current data throughout the year.

Got questions about these South Dakota demographics? Call us at 1-800-939-2130.

South Dakota Counties by Population 2020

1 Minnehaha County 197,214
2 Pennington County 109,222
3 Lincoln County 65,161
4 Brown County 38,301
5 Brookings County 34,375
6 Meade County 29,852
7 Codington County 28,325
8 Lawrence County 25,768
9 Yankton County 23,310
10 Davison County 19,956

South Dakota Cities by Population 2020

1 Sioux Falls 192,517
2 Rapid City 74,703
3 Aberdeen 28,495
4 Brookings 23,377
5 Watertown 22,655
6 Mitchell 15,660
7 Yankton 15,411
8 Huron 14,263
9 Pierre 14,091
10 Spearfish 12,193

South Dakota Zip Codes by Population 2019

1 57106 47,372
2 57701 45,721
3 57103 35,493
4 57702 35,058
5 57401 32,831
6 57006 26,526
7 57104 26,224
8 57201 25,350
9 57108 23,689
10 57105 22,082

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South Dakota-Demographics.com is made by Cubit – a demographic data provider. Call us at 1-800-939-2130 or email us.

Cubit Founders Kristen and Anthony

Cubit's co-founders have been working with data for a combined 25 years.

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