Mind-boggled by South Dakota Demographics?

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 40 high-value hours searching the internet.

  • The South Dakota population is 909,824 people according to the US Census Bureau's 2022 Population Estimates Program.
  • The South Dakota median household income in the past 12 months is $63,920 in 2021 inflation-adjusted dollars according to the US Census Bureau's 2021 American Community Survey.
  • South Dakota has 391,857 housing units according to the US Census Bureau's 2021 American Community Survey.

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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 2021 datasets – specifically the 2021 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

1 Minnehaha County 203,971
2 Pennington County 114,461
3 Lincoln County 70,987
4 Brown County 37,972
5 Brookings County 35,484
6 Meade County 30,698
7 Codington County 28,721
8 Lawrence County 27,214
9 Yankton County 23,373
10 Davison County 19,973

See all South Dakota Counties by Population

South Dakota Cities by Population

1 Sioux Falls 202,078
2 Rapid City 78,824
3 Aberdeen 28,210
4 Brookings 23,993
5 Watertown 23,019
6 Mitchell 15,659
7 Yankton 15,534
8 Huron 14,462
9 Pierre 13,969
10 Spearfish 12,914

See all South Dakota Cities by Population

South Dakota Zip Codes by Population

1 57106 49,337
2 57701 45,149
3 57103 36,574
4 57702 33,678
5 57401 32,474
6 57108 30,152
7 57104 26,117
8 57201 25,930
9 57105 22,916
10 57006 22,749

See all South Dakota Zip Codes by Population

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About Us

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 42 years.

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