Democratic Saqib Ali – incumbent, challenging Sen. Nancy J. King (D). Prince George's County District 21 This district covers northwest Prince George's County, including Laurel, Adelphi, Langley Park, Beltsville and College Park, as well as part of northwest Anne Arundel County. Democratic Ben Barnes – incumbent Barbara A. Frush – incumbent Brian K. McDaniel Joseline Peña-Melnyk – incumbent Devin F. Tucker Republican Scott W. Dibiasio Kat Nelson Jason W. Papanikolas Libertarian K. Bryan Walker District 22 This district covers north central Prince George's County, including Greenbelt, New Carrollton, Hyattsville, and Riverdale Park. Democratic Tawanna P. Gaines – incumbent Anne Healey – incumbent Alonso Washington – incumbent District 23A This district covers eastern Prince George's County, including north Bowie. Democratic Shukoor Ahmed Terence D. Collins Paulette Faulkner James W. Hubbard – incumbent Lisa Ransom Geraldine Valentino-Smith Nicole A. Williams Republican Margaret I. Moodie Declined Democratic Gerron Levi – incumbent, running for Prince George's County Executive District 23B This district covers western Prince George's County, including south Bowie. Democratic Robin Breedon Marvin E. Holmes, Jr. – incumbent District 24 This Prince George's County district straddles the west corner of Washington, D.C. and includes Fairmount Heights, Seat Pleasant, Capitol Heights, and Glenarden. Democratic Clayton Anthony Aarons Tiffany Alston Nancy L. Dixon-Saxon Greg Hall Carolyn J. B. Howard – incumbent Sherry James-Strother Michael Oputa Byron Richardson Michael L. Vaughn – incumbent Kenneth Williams Declined Democratic Joanne C. Benson – incumbent, challenging Senator Nathaniel Exum (D). District 25 This district covers central Prince George's County, including District Heights, Walker Mill, Forestville and Morningside. Democratic Erek Barron Aisha N. Braveboy – incumbent Dereck E. Davis – incumbent Antonio Faunteroy Melony G. Griffith – incumbent Davion E. Percy Michelle R. Wright District 26 This district covers southwest Prince George's County, including Oxon Hill-Glassmanor. Democratic Ollie Anderson Hopal "Hope" Felton Sidney L. Gibson Branndon D. Jackson Veronica L. Turner – incumbent Kris Valderrama – incumbent Jay Walker – incumbent District 27A This district covers southern Prince George's County, including Upper Marlboro and Eagle Harbor, and a small portion of northwest Calvert County. Democratic Barry A. Adams Percel Alston – Prince George's County police officer, President of Fraternal Order of Police Lodge 89 Sheri L. Beach Jeffrey L. Brockington Russell P. Butler Theron Green Joe Harris James E. Proctor, Jr. – incumbent Joseph F. Vallario, Jr. – incumbent James Woods Republican Mike Hethmon Antoinette "Toni" Jarboe-Duley District 47 This