Dimke played college football at the University of Illinois, where he broke several school records.

[1] He set an Illinois high school record when he kicked a 54-yard field goal during the playoffs his senior year.

He holds several other school records including most points scored in a season by a kicker, most field goals in a season, most field goals in a bowl game, most consecutive PATs made, and most touchbacks in a single game.

He was selected to Phil Steele's first-team All-Big Ten team following the conclusion of his Junior season.

[1] He was named Big Ten Special Teams Player of the Week three times (11/30/09), (10/11/10), and (9/26/11) while at Illinois.

During his time there he went 6 for 7 on field goals while battling Lawrence Tynes and Rian Lindell for the starting role.

Dimke along with kicker Shayne Graham were released as part of the final roster cuts on August 30, 2014.