This link takes you directly to the U.S. Census Bureau. Use the navigation at the top of the page to go to the topic that you want.

This page is ... what it sounds like! QuickFacts lists some quick information, and the top bar allows for searches.

This links to a search results page on Pew Research Reports. These reports are about different demographic topics in the U.S. It can be filtered by year and post type (i.e., blog or report). The site can also be used to generate new searches.