Maryland Primary History
Presidential primary election results from 2008 to 2024
2024
GOP Primary
Donald Trump77.3%
Nikki Haley22.7%
2020
Dem Primary
Joe Biden83.7%
Bernie Sanders7.8%
2016
GOP Primary
Uncontested
Dem Primary
Hillary Clinton62.5%
Bernie Sanders33.8%
2008
Dem Primary
Barack Obama60.6%
Hillary Clinton35.8%