Polling places in the state of Wisconsin.

Statistics on U.S. smoking rates and tobacco taxation rates for all fifty states.

Source: Centers for Disease Control and Prevention, 2015
https://www.cdc.gov/tobacco/data_statistics/state_data/

Related Data Story: State-Level Policies Reduce Smoking Rates Nationwide

Centers for Disease Control and Prevention data regarding varicella (chickenpox) virus incidence and mortality rates.

This data created by the National Democratic Institute (NDI) in partnership with Development Seed, a Washington, D.C.-based online communications consultancy, is designed to make data from the August 20, 2009, Afghanistan presidential election accessible and transparent. We have provided this csv file as there is no download for the whole dataset. There are many more files on the website.