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Welcome to Piatt County ...

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

The community of Monticello is the Seat for Piatt County.

Piatt County was founded in 1841. Piatt was created by taking area from De Witt and Macon Counties.

From the Census Estimates for 2019, <1> Piatt had a population of 16,344 people. This is a decrease of 2.18% since the last Census (which gave a population of 16,709 people in 2010).

At the time of the 2010 Census, Piatt represented 0.13% of the total population of Illinois.

Below are some of the communities located in Piatt County:

  • Atwood
    (14 miles [22.5 km] to the southeast)
    • Atwood is located in Piatt County (IL)
    • Jump to our Gazetteer entry for Atwood
    • Population from the 2020 Census: 1,155 people
    • Jump to TripAdvisor's Tourism page for Atwood <2>
  • Bement
    (5 miles [8 km] to the south)
    • Bement is located in Piatt County (IL)
    • Jump to our Gazetteer entry for Bement
    • Population from the 2020 Census: 1,661 people
    • Jump to TripAdvisor's Tourism page for Bement <2>
  • Cerro Gordo
    (11 miles [17.7 km] to the southwest)
  • Cisco
    (7 miles [11.3 km] to the west)
    • Cisco is located in Piatt County (IL)
    • Jump to our Gazetteer entry for Cisco
    • Population from the 2020 Census: 242 people
    • Jump to TripAdvisor's Tourism page for Cisco <2>
  • De Land
    (9 miles [14.5 km] to the northwest)
  • Hammond
    (13 miles [20.9 km] to the south)
  • Mansfield
    (15 miles [24.1 km] to the north)
  • Monticello
    (2 miles [3.2 km] to the north)

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.