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Welcome to Putnam County ...

Time Zone: Putnam County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Hennepin is the Seat for Putnam County.

Putnam County was founded in 1825 and was created by taking area from Peoria County.

From the Census Estimates for 2019, <1> Putnam had a population of 5,739 people. This is a decrease of 4.54% since the last Census (which gave a population of 6,012 people in 2010).

At the time of the 2010 Census, Putnam represented 0.05% of the total population of Illinois.

Below are some of the communities located in Putnam County:

  • Granville
    (3 miles [4.8 km] to the northeast)
  • Hennepin
    (2 miles [3.2 km] to the northwest)
  • Magnolia
    (8 miles [12.9 km] to the southeast)
  • Mark
    (2 miles [3.2 km] to the northeast)
    • Mark is located in Putnam County (IL)
    • Jump to our Gazetteer entry for Mark
    • Population from the 2020 Census: 546 people
    • Jump to TripAdvisor's Tourism page for Mark <2>
  • McNabb
    (4 miles [6.4 km] to the southeast)
    • McNabb is located in Putnam County (IL)
    • Jump to our Gazetteer entry for McNabb
    • Population from the 2020 Census: 258 people
    • Jump to TripAdvisor's Tourism page for McNabb <2>
  • Standard
    (5 miles [8 km] to the northeast)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.