2018 Delaware elections

[6] Incumbent Democratic attorney general Matthew Denn did not run for reelection to a second term in office.

[13] Incumbent Republican State Auditor Tom Wagner did not run for reelection to an eighth term.

Republican nominee James Spadola was unopposed in his respective primary and won the nomination.

Kathy McGuiness won the Democratic nomination, defeating two opponents, and went on to win the general election against Spadola.

He was endorsed by Our Revolution, Delaware United, Kerri Evelyn Harris, and U.S. Representative Lisa Blunt Rochester.

State Auditor election results by county:
McGuiness
  • 50–60%
  • 60–70%
Spadola
  • 50–60%
State Auditor election results by State House District:
McGuiness
  • 50–60%
  • 60–70%
  • 70–80%
  • 80–90%
Spadola
  • 50–60%
  • 60–70%