<page_title> Clark, South Dakota </page_title> <section_title> Demographics </section_title> <table> <cell> 1,484 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 1970 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,356 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 1980 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,351 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 1990 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,292 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 2000 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,285 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,139 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> Est. 2016 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,048 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
In 1970, the numbers decreased to 1,356 residents and has decreased each decade after that in Clark.