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 8 to 10 high-value hours searching the internet.

The South Dakota population is 864,289 people according to the US Census Bureau's 2018 American Community Survey.
The South Dakota median household income in the past 12 months is $56,499 in 2018 inflation-adjusted dollars according to the US Census Bureau's 2018 American Community Survey.
South Dakota has 387,637 housing units according to the US Census Bureau's 2018 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 2018 datasets – specifically the 2018 American Community Survey (ACS) 5 year dataset. We use the Census’ ACS 5 year dataset for 3 reasons.

It’s updated every year.
It typically has the smallest margins of error of the Census’ ACS datasets.
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 Radius 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	186,749
2	Pennington County	109,294
3	Lincoln County	54,914
4	Brown County	38,840
5	Brookings County	34,239
6	Codington County	27,993
7	Meade County	27,424
8	Lawrence County	25,234
9	Yankton County	22,717
10	Davison County	19,901

See all South Dakota Counties by Population

South Dakota Cities by Population

1	Sioux Falls	174,151
2	Rapid City	73,721
3	Aberdeen	28,124
4	Brookings	23,863
5	Watertown	22,124
6	Mitchell	15,722
7	Yankton	14,577
8	Pierre	13,988
9	Huron	13,291
10	Spearfish	11,393