Related Program: Vault/Archive - Dakota Midday Dakota Midday: Changing Demographics In State By Cara Hetland • Sep 17, 2015 Related Program: Vault/Archive - Dakota Midday ShareTweetEmail Weiwei Zhang, professor of Sociology at South Dakota State University in Brookings. Zhang is the new state demographer and director of the state data center. She discusses immigration, growing diversity and changing demographics in South Dakota. Weiwei Zhang. Credit SDSU Listen Listening... / 19:35 Tags: PopulationStatisticsDemographySDSUShareTweetEmailView the discussion thread.