In 2009 ridership on the municipal bus service in Pekin was 17,316. Last year (2014) the ridership had increased to 43,555. The average daily rider count rose from 68 to 170 during that time period.
CityLink provides two routes in Pekin - a north loop and a south loop. There is also a bus that runs from Pekin to the CityLink transfer station in downtown Peoria.
You can download the schedules here:
#17 - Pekin North
#18 - Pekin South
#23 - Pekin to Peoria