Want to know about the population of the United States, try the U.S. Census website.
The U.S. Bureau of Labor Statistics maintains a website with lots of information about the U.S. labor force, economic conditions, employment figures, and related items. You can also find data organized by region and state.
The Center for Disease Control and Prevention (CDC) is part of the Department of Health and Human Service, and its public health efforts are aimed at preventing and controlling infectious and chronic diseases, injuries, workplace hazards, disabilities, and environmental healh threats. They have lots of health-related information and data on their web.
National Opinion Research Center (NORC) conducts surveys for government agencies, educational institutions, foundations, other nonprofit organizations, and private corporations. It has information on a wide variety of topics available.
Sociologists for Women in Society (SWS) is an international organization of social scientists—students, faculty, practitioners, and researchers—working together to improve the position of women within sociology and society in general.