Candidates in Maryland's 6th Congressional District remain in a close contest

POOLESVILLE, MD - SEPTEMBER 21 - April McClain Delaney, a Democrat running to represent Maryland's 6th District, meets parade goers Saturday, Sept. 21, 2024, during the Poolesville Day Parade in Poolesville, Md. (Photo by Luke Johnson for The Washington Post via Getty Images)

POOLESVILLE, MD - SEPTEMBER 21 - Neil Parrott, a Republican running to represent Maryland's 6th District, hands out candy and meets parade goers Saturday, Sept. 21, 2024, during the Poolesville Day Parade in Poolesville, Md. (Photo by Luke Johnson for The Washington Post via Getty Images)