Senator Warnock was elected to the United States Senate on January 5, 2021, in a special election runoff for the term ending January 3, 2023, to fill the vacancy caused by the resignation of Senator Johnny Isakson, a seat previously held by appointed Senator Kelly Loeffler. He took the oath of office on January 20, 2021.
Currently, Senator Warnock serves on the Agriculture, Nutrition and Forestry Committee; Banking, Housing and Urban Affairs Committee; Commerce, Science and Transportation Committee, as well as the Special Committee on Aging and the Joint Economic Committee.