A look at the people who are running – or are thinking about running – to replace retiring Sen. Barbara A. Mikulski in the 2016 election.

Click on a person for more information and links to news stories.

  • Showing:
  • Announced
  • Considering
  • Name floated
  • Not running

Announced candidates
Considering a run
Name floated
Not running

Photos: Associated Press, The Baltimore Sun, Baltimore Sun Media Group and Getty Images