Nineteen House Republicans have said that they will support a clean continuing resolution. This "clean" bill is free of any amendments attempting to delay or change President Obama's health-care law. Here is a look at what may be fueling some of that sudden bipartisanship, whether it is the slim margin of victory in their last election or the percentage of the district's workforce employed by the federal government.

Each square represents one congressional district and approximately the same population. This type of map, a cartogram, gives each district equal size to make comparisons more visible.

Republican supporters
  • 1. Devin Nunes, Calif. 22nd

  • 2. Mario Diaz-Balart, Fla. 25th

  • 3. C.W. Bill Young, Fla. 13th

  • 4. Mike Simpson, Idaho 2nd

  • 5. Erik Paulsen, Minn. 3rd

  • 6. Frank A. LoBiondo, N.J. 2nd

  • 7. Jon Runyan, N.J. 3rd

  • 8. Michael G. Grimm, N.Y. 11th

  • 9. Peter T. King, N.Y. 2nd

  • 10. Lou Barletta, Pa. 11th

  • 11. Charlie Dent, Pa. 15th

  • 12. Michael G. Fitzpatrick, Pa. 8th

  • 13. Jim Gerlach, Pa. 6th

  • 14. Patrick Meehan, Pa. 7th

  • 15. J. Randy Forbes, Va. 4th

  • 16. Scott Rigell, Va. 2nd

  • 17. Rob Wittman, Va. 1st

  • 18. Frank R. Wolf, Va. 10th

  • 19. Richard L. Hanna, N.Y. 22nd

These four Virginia Republicans are in contested districts that have a significant percentage of federal employees.

SOURCE: Census Bureau, 2012 election results and staff reports. GRAPHIC: Aaron Blake, Richard Johnson, Laris Karklis, Dan Keating and Ted Mellnik - The Washington Post. Published Oct. 3, 2013.