How well does your county run elections? Map shows local data that can form the basis for questions

This ProPublica map shows how much of the population is voting age. (Click here for the interactive version)

With Election Day looming, it's a good idea to learn more about how (and how well) your county handles elections. ProPublica teamed up with Electionland to create an interactive map showing the county-level data about average voting age, number of voters registered, voter roll purges, voters per polling place, poll workers per polling place, which voting system each county uses, and more.