-1. washington d.c.
12. democratic incumbent running - republican challenger
13. democratic incumbent running - republican and other challengers
14. democratic incumbent running - unopposed
19. democratic incumbent running - republican and other challengers
21. republican incumbent running - democratic challenger
23. republican incumbent running - democratic and other challengers
24. republican incumbent running - unopposed
29. republican incumbent running - democratic and other challengers
31. other incumbent running - democratic challenger
32. other incumbent running - republican challenger
35. other incumbent running - democratic and republican challengers
51. open race - democratic candidate unopposed
52. open race - republican candidate unopposed
55. open race - democratic and republican candidates
56. open race - democratic and other candidates
57. open race - republican and other candidates
59. open race - democratic and republican and other candidates
81. democratic u.s. senators, no race in state
82. republican u.s. senators, no race in state
85. democratic and republican u.s. senators, no race in state
87. democratic and other (non-major-party) u.s. senators, no race in state
88. republican and other (non-major-party) u.s. senators, no race in state

-1. washington d.c.
00. no gubernatorial race in state
12. democratic incumbent running - republican challenger
13. democratic incumbent running - republican and other challengers
14. democratic incumbent running - unopposed
19. democratic incumbent running - republican and other challengers
21. republican incumbent running - democratic challenger
23. republican incumbent running - democratic and other challengers
24. republican incumbent running - unopposed
29. republican incumbent running - democratic and other challengers
31. other incumbent running - democratic challenger
32. other incumbent running - republican challenger
35. other incumbent running - democratic and republican challengers
51. open race - democratic candidate unopposed
52. open race - republican candidate unopposed
55. open race - democratic and republican candidates
56. open race - democratic and other candidates
57. open race - republican and other candidates
59. open race - democratic and republican and other candidates