2018 Maryland House of Delegates election

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All 141 seats in theMaryland House of Delegates 71 seats needed for a majority
Majority party Minority party   Leader Michael E. Busch Nic Kipke Party Democratic Republican Last election 91 50 Seats before 92 49 Seats won 99 42 Seat change 7 7 Popular vote 2,940,371 1,462,097 Percentage 65.5% 32.6% Swing 8.01% 9.30%
Results:      Democratic gain     Republican gain      Democratic hold     Republican hold
Speaker before election Michael E. Busch Democratic ElectedSpeaker Michael E. Busch Democratic

The2018 Maryland House of Delegates elections were held on November 6, 2018, as part of the biennial United States elections. All 141 ofMaryland's state delegates were up for reelection.

Prior to the election, there was little doubt thatDemocrats would hold their majority in the chamber.Maryland's House of Delegates has had a Democratic majority since the elections of 1920, and it remains a solidly Democratic in elections at both the national and state level. Still, there was some discussion about whether or not Republicans would be able to make inroads in the chamber, especially considering that popular incumbent governorLarry Hogan was running for reelection at the top of the ticket simultaneously. These hopes were not met; though Hogan won his race by double digits, there was very little down-ballot appetite for Republicans, including in the House of Delegates.

Democrats picked off eight seats from Republicans, while Republicans flipped one seat from Democrats. The result was a net gain of seven seats for the Democrats, which came from across the state. Six counties had seats flip to the Democrats, including two inBaltimore County. The one seat Republicans did pick up was in a conservativeAnne Arundel County district where a retiring incumbent had switched parties from Republican to Democratic the month before the election.

Overall, the results were a seen as a disappointment for Republicans, who had hoped Hogan's success would carry more Republicans toAnnapolis. After the elections, Democrats held 99 seats to the Republicans' 42, meaning Democrats were in possession of more than 70% of seats in the chamber—maintaining their three-fifths supermajority capable of overriding gubernatorial vetoes. Many factors contributed to the Democrats' gains, but PresidentDonald Trump's unpopularity in Maryland, as well as the state's large and growing minority population and its heavily suburban nature, were among the most important.

1. District 4:Kathy Afzali retired torun for Frederick County Executive.^[21]
2. District 4:David E. Vogt III retired.^[22]
3. District 7:Pat McDonough retired torun for Baltimore County Executive.^[23]
4. District 8:Christian Miele retired to run forstate senator in District 8.^[24]
5. District 30:Herbert H. McMillan retired.^[25]
6. District 38C:Mary Beth Carozza retired to run forstate senator in District 38.^[26]
7. District 42B:Chris West retired to run forstate senator in District 42.^[27]
8. District 42B:Susan L. M. Aumann retired.^[17]

1. District 19:Maricé Morales lost renomination toCharlotte Crutchfield,Vaughn Stewart, and incumbentBonnie Cullison.^[28]
2. District 23B:Joseph F. Vallario Jr. lost renomination toRon Watson and incumbentMarvin E. Holmes Jr.^[28]
3. District 39:Shane Robinson lost renomination toGabriel Acevero,Lesley Lopez, and incumbentKirill Reznik.^[29]
4. District 40:Bilal Ali andAngela Gibson lost renomination toDalya Attar,Tony Bridges, and incumbentSamuel I. Rosenberg.^[30]
5. District 47A:Jimmy Tarlau lost renomination toJulian Ivey and incumbentDiana M. Fennell.^[31]
6. District 47B:Carlo Sanchez lost renomination toWanika B. Fisher.^[30]

1. District 3B:William Folden lost toKenneth P. Kerr.^[32]
2. District 8:Joe Cluster lost toHarry Bhandari,Joseph C. Boteler III, and incumbentEric M. Bromwell.^[33]
3. District 9B:Robert Flanagan lost toCourtney Watson.^[33]
4. District 29B:Deb Rey lost toBrian M. Crosby.^[33]
5. District 33:Tony McConkey lost toHeather Bagnall and incumbentsMichael E. Malone andSid Saab.^[34]
6. District 34A:Glen Glass lost toSteven C. Johnson and incumbentMary Ann Lisanti.^[35]

All election results are from the Maryland Board of Elections.^[37]

• 2018 Maryland elections
• 2018 state legislature elections in the United States
• Maryland House of Delegates elections

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