MA

Mark Arness

Democratic Party

Representative in Congress

Congressional District 5, Maryland

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Mark Arness is a Democratic candidate running for the U.S. House of Representatives in Maryland's 5th Congressional District. He is a physician who has operated a private practice for residents of Calvert and St. Mary's counties. A graduate of the University of Virginia, Arness also earned his medical degree from the Uniformed Services University of the Health Sciences. He is a decorated combat veteran who specialized in aviation medicine during his military career. For his service, Arness was awarded the USAF Air Medal for gallantry in 2008. A resident of the Southern Maryland region for several decades, he has long-standing ties to the community. Arness previously ran for the same congressional seat as a Republican.

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Support for Mark Arness · 11/6/2026

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Past Elections

Past campaign

Representative in Congress

Primary election

Congressional District 5, MarylandEnded 6/23/2026· Democratic

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