The 13th congressional district of Illinois is currently represented by Democrat Nikki Budzinski.

Following the 2020 census and the subsequent redistricting cycle, the 13th congressional district was significantly altered to include Champaign, Urbana, most of Decatur and Springfield, and most of the Metro East of St.

The Republican and Democratic primaries took place on March 18, 2014.

In the Democratic primary, Ann Callis defeated George Gollin and David Green.

Bill Byrnes had previously withdrawn from the Democratic primary.