This is a proof-of-concept of an idea from Dr. Sam Wang at Princeton Election Consortium to create an app allowing people to enter an address and find nearby competitive Congressional Districts.
Competitive districts, shaded in purple, are those defined as Tossup or Lean D or R, by the Cook Political Report. Click on a district for more information.
Thanks to Stephen Wolf at Daily Kos Elections for an updated geographic file that incorporates 2015 Florida and Virginia redistricting.
Updated Oct. 14.