[1] The club was founded by former K–W United owner Barry MacLean along with John Dorn[2] with former Major League Soccer player Tim Regan serving as the inaugural head coach.

[7] On July 15, Peoria City qualified for the USL League 2 playoffs with the second seed in the division after it won the head-to-head tiebreaker against the Thunder Bay Chill.

[8] The team lost 3–1 in the first round of the playoffs to Chicago FC United at Atwood Stadium in Flint, Michigan.

[9] In their third year, Peoria City went on a remarkable "Cinderella run" finishing the season with a record of 12-4-5 after winning four straight playoff games.

[10] The team's first supporters group is "The 309", named for the local 309 area code, which organizes fans at matches and pre-game events.