Cities, Townships, and Villages in Putnam County, Illinois

Here is a list of all the cities, towns, and villages in Putnam County, Illinois

Putnam County is the least extensive county in the U.S. state of Illinois. According to the 2020 census, it had a population of 5,637. The county seat is Hennepin.

The county was formed in 1825 out of Fulton County and named after Israel Putnam, who was a general in the American Revolution.

Here is a list of all the towns and villages in Putnam County, Illinois:

There are no cities in Putnam county, Illinois


Putnam County is divided into four townships:

  • Granville
  • Hennepin
  • Magnolia
  • Senachwine


  • Granville
  • Hennepin
  • Magnolia
  • Mark
  • McNabb
  • Standard

Unincorporated communities

  • Florid
  • Moronts
  • Mount Palatine
  • Putnam
  • Walnut Grove

Quick Facts about Putnam County, Illinois

Here are some quick facts about Putnam county, Illinois:

  • Location: Putnam County is located in north-central Illinois.
  • County Seat: The county seat of Putnam County is Hennepin.
  • Population: 5,566
  • Geography: Putnam County is known for its scenic beauty, including the Illinois River and the Matthiessen State Park.
  • Economy: The economy of Putnam County traditionally includes agriculture, and the county is part of the broader agricultural landscape of Illinois.
  • Matthiessen State Park: Located partially in Putnam County, Matthiessen State Park is known for its picturesque canyons, waterfalls, and hiking trails.
  • Official website:

How many Putnam counties are there?

  • Of the nine Putnam counties, eight, including Indiana’s, were named for General Israel Putnam, a hero of the Revolutionary War.

Who was Putnam County Illinois named after?

  • Like many early established counties in Illinois, the County of Putnam was named after a famous figure during the period of the Revolutionary War. That figure was Israel Putnam, who was one of only four generals promoted to the rank of Major General during the Revolutionary War by General George Washington.

What county is Putnam Illinois?

  • Putnam is an unincorporated community in Putnam County, Illinois, United States. The community is located to the west of Senachwine Lake along Illinois Route 29, north of Henry.