Roper Center for Public Opinion Research
Nonprofit center for the study of public opinion maintaining the world's largest archive of public opinion data.
www.ropercenter.uconn.edu
University of Washington Center for Studies in Demography & Ecology
The Center for Studies in Demography and Ecology supports population research and training at the University of Washington. It also functions as a regional center that gives population scientists at affiliated institutions in the Pacific Northwest access to cutting-edge demographic infrastructure and services.
csde.washington.edu