The 2018 population estimate for South Dakota
is 864,289,
a change of
3.54%
when compared to 2014. With an area of 75,810.37 square miles, this works out to a population
density of 11.40 persons/mi2.
The number of households in 2018 were estimated to
be 341,565, with an average
household size of 2.43.
South Dakota's 2018 unemployment rate was
3.52%.
The average household income in South Dakota for 2018 was
$73,768,
while the median was $56,499.