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U.S. ZIP Code 61856
5-digit United States postal code #61856, Monticello, IL
ZIP code 61856 is located in the city (place name) Monticello, сounty Piatt in the state of Illinois. The population in ZIP code 61856 is 7433 and the population density is 27.5. ZIP code 61856 refers to сounty Piatt having сounty FIPS 17147, the ratio of people from different counties in this ZIP code is as follows: all county weights - 17147: 100%. In the area of the ZIP code 61856 valid time zone America/Chicago.
ZIP: 61856
County: Piatt
Place Name: Monticello
State: Illinois
State Abbreviation: IL
Coordinates: 40° 1' 36.84" N, 88° 34' 46.344" W
Latitude: 40.026900000000
Longitude: -88.579540000000
Population: 7433
Density: 27.5/km2
Time zone: America/Chicago
County FIPS: 17147
All county weights: 17147: 100%