YOUR KEY TO THE CITY
US Facts 
Footsteps of History 
It Happened Here 
Mottos, Slogans and Nicknames 
Noted Notables
Welcome To KEY TO THE CITY's Page For
Hennepin
Putnam County, Illinois
ZipCodes
61327
Organizations, Churches, and Sports.
Hennepin Swimming Pool
Oldest Courthouse in the State still in use. It was built in 1839.
LTV steel company
ESK Corp. - largest manufacturer of Silicon Carbide in the world
Illinois Power Plant
Misc. Restaurants
1817 Historic Marker Hennepin Attendance Center, site of first trading post north of Hennepin and tribute to first white settlers in Putnam County
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