Source for primary election results:[3]
Source for general election results:[4]
District 1
Incumbent Democrat Charles Potter Jr. has represented the 1st district since 2012. Potter lost re-nomination to fellow Democrat Nnamdi Chukwuocha, who went on to win the general election.
Democratic primary
Delaware House of Representatives 1st district Democratic primary election, 2018
Incumbent Democrat Helene Keeley has represented the 3rd district and its predecessors since 1996. Keeley didn't seek re-election and fellow Democrat Sherry Dorsey Walker won the open seat.
Democratic primary
Delaware House of Representatives 3rd district Democratic primary election, 2018
Incumbent Democrat Melanie George Smith has represented the 5th district since 2002. Smith didn't seek re-election and fellow Democrat Kendra Johnson won the open seat.
Democratic primary
Delaware House of Representatives 5th district Democratic primary election, 2018
Incumbent Democrat Bryon Short has represented the 7th district since 2006. Short didn't seek re-election and fellow Democrat Ray Seigfried won the open seat.
Democratic primary
Delaware House of Representatives 7th district Democratic primary election, 2018
Incumbent Republican Deborah Hudson has represented the 12th district since 1994. Hudson lost re-election to Democrat Krista Griffith.
Democratic primary
Delaware House of Representatives 12th district Democratic primary election, 2018
Incumbent Democrat J.J. Johnson has represented the 16th district since 2004. Johnson didn't seek re-election and fellow Democrat Franklin Cooke Jr. won the open seat.
Democratic primary
Delaware House of Representatives 16th district Democratic primary election, 2018
Incumbent Democrat Michael Mulrooney has represented the th district since 1998. Mulrroney didn't seek re-election and fellow Democrat Melissa Minor-Brown won the open seat.
Democratic primary
Delaware House of Representatives 17th district Democratic primary election, 2018
Incumbent Republican Joseph Miró has represented the 22nd district since 1998. Miró didn't seek re-election and fellow Republican Michael Smith won the open seat.
Democratic primary
Delaware House of Representatives 22nd district Democratic primary election, 2018
Incumbent Democrat Charles Paradee has represented the 29th district since 2012. Paradee retired to run for the State Senate and fellow Democrat William Bush IV won the open seat.
Delaware House of Representatives 29th district general election, 2018
Incumbent Republican William Outten has represented the 30th district since 2004. Outten didn't seek re-election and fellow Republican Shannon Morris won the open seat.
Delaware House of Representatives 30th district general election, 2018
Incumbent Republican David Wilson has represented the 35th district since 2008. Wilson retired to run for the State Senate. Republican Jesse Vanderwende won the open seat.
Republican primary
Delaware House of Representatives 35th district Republican primary election, 2018
Incumbent Republican Harvey Kenton has represented the 36th district since 2010. Kenton didn't seek re-election and fellow Republican Bryan Shupe won the open seat.
Delaware House of Representatives 36th district general election, 2018