Hennepin, Illinois

Town of Hennepin
The Putnam County Courthouse
Location of Hennepin in Putnam County, Illinois.
Location of Hennepin in Putnam County, Illinois.
Coordinates: 41°15′10″N 89°20′30″W / 41.25278°N 89.34167°W / 41.25278; -89.34167
CountryUnited States
StateIllinois
CountyPutnam
TownshipHennepin
IncorporatedFebruary 13, 1837
Government
 • MayorKevin Coleman
 • ClerkDiana Brandstatter
 • TreasurerDiana Gibson
Area
 • Total
5.66 sq mi (14.66 km2)
 • Land5.31 sq mi (13.74 km2)
 • Water0.35 sq mi (0.92 km2)  6.39%
Elevation
503 ft (153 m)
Population
 (2020)
 • Total
769
 • Density144.90/sq mi (55.95/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP codes
61327
FIPS code17-34098
Websitehttp://www.villageofhennepin.com

Hennepin is a rural town located on the Illinois River in Putnam County, Illinois, United States. The population was 757 in 2010, an increase of 50 since the 2000 census. It is the county seat and second largest village in Putnam County.[2]

Hennepin is part of the Ottawa Micropolitan Statistical Area.

  1. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.