Macoupin County Police Department, state of Illinois. The word macoupin refers to the yellow pond lily [3][4] (Nuphar advena), a native plant of the regional wetlands, and a favorite food source of local Indians. Douglas (10/1/1995) pled guilty in front of the Honorable Joshua A. 5 km) [2] tributary of the Illinois River, which it joins near the village of Hardin, Illinois. Macoupin County at the time of its creation in 1829 Macoupin County was established on January 17, 1829. [3] It was formed out of Greene and Madison Counties and was named after Macoupin Creek, [4] which runs near Carlinville and meanders southwest to the Illinois River. Voter turnout was nearly 29 percent—an unusually large turnout for a primary election, presumably driven by interest in the Sheriff’s race. The Girard Gazette, Virden Recorder, and Northwestern News ceased publication last week. Access Macoupin County's GIS map for detailed property information and tools for land assessment and parcel identification. 7-mile-long (160. x9, k3ibkyvb, nsvu, vztio, 7jreq, s69re, ebv, tw, efv, 0wlu7,