Hennepin, Illinois

Hennepin, Illinois
Interactive map of Hennepin, Illinois
Hennepin
Hennepin
Coordinates: 41°14′53″N 89°19′30″W / 41.24806°N 89.32500°W / 41.24806; -89.32500
CountryUnited States
StateIllinois
CountyPutnam
TownshipHennepin
IncorporatedFebruary 13, 1837
Area
 • Total
5.66 sq mi (14.66 km2)
 • Land5.31 sq mi (13.74 km2)
 • Water0.36 sq mi (0.92 km2)
Elevation
528 ft (161 m)
Population
 (2020)
 • Total
769
 • Density144.9/sq mi (55.95/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP codes
61327
FIPS code17-34098
GNIS feature ID2398489
Websitehttp://www.villageofhennepin.com

Hennepin is a village located on the Illinois River in Putnam County, Illinois, United States. As of the 2020 census, Hennepin had a population of 769. It is the county seat and the second largest village in Putnam County.

Hennepin is part of the Ottawa Micropolitan Statistical Area.