The Congressman is a Member of the House Foreign Affairs Committee.

U.S. Representatives Jonathan L. Jackson (D-IL-01) and Jim Baird (R-IN-04) led 32 of their colleagues in introducing the bipartisan Marshall “Major” Taylor Congressional Gold Medal Act. The bill would posthumously award a Congressional Gold Medal to Marshall Walter “Major” Taylor — America's first Black sports star, but someone many have never heard of — in recognition of his significance to the nation as a trailblazing athlete.

Congressman Jonathan L. Jackson introduced his first piece of legislation, the Just USDA Standards and Transparency (JUST) Act of 2023. The bill strengthens civil rights accountability at the U.S. Department of Agriculture (USDA).

U.S. Representative Jonathan L. Jackson (IL-01) led 35 of his colleagues in sending a letter to House Agriculture Chairman Glenn "GT" Thompson (PA-15) and Ranking Member David Scott (GA-13) calling for increased broadband access for historically Black colleges and universities (HBCUs) and tribal colleges and universities (TCUs) in the Farm Bill’s Rural Development title.

Rep. Jonathan Jackson held a town hall where he and constituents discussed the migrant crisis, housing, and health.

Illinois Rep. Jonathan Jackson has called for a federal investigation into Texas Gov. Greg Abbott’s program of busing migrants from the U.S.-Mexico border, saying it amounts to “human smuggling.”