SOUTH DAKOTA SOUTH DAKOTA U.S POPULATION INDUSTRY NATURAL RESOURCES GEOGRAPHIC INFORMATION YEAR OF ADMISSION 1889 ORDER OF ADMISSION 40TH DATE OF CURRENT STATE CONSTITUTION 1889 CAPITAL PIERRE POPULATION 738000 1997 LAND AREA 75896 SQ MI POPULATION DENSITY 9.6 PEOPLE PER SQ MI NICKNAME COYOTE STATE MOUNT RUSHMORE STATE MOTTO UNDER GOD THE PEOPLE RULE GOVERNMENT CONFIGURATION BICAMERAL HOUSES 2 NUMBER OF STATE SENATORS 35 NUMBER OF STATE REPRESENTATIVES 70 NUMBER OF REPRESENTATIVES IN U.S CONGRESS 1 MAIN INDUSTRIES AGRICULTURE MANUFACTURING MAJOR NATURAL RESOURCES FERTILE SOIL GOLD LIGNITE QUARTZ CLAYS FELDSPAR GRANITE