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U.S. ZIP Code 61770
5-digit United States postal code #61770, Saybrook, IL
ZIP code 61770 is located in the city (place name) Saybrook, сounty McLean in the state of Illinois. The population in ZIP code 61770 is 1108 and the population density is 6.9. ZIP code 61770 refers to сounty McLean having сounty FIPS 17113, the ratio of people from different counties in this ZIP code is as follows: all county weights - 17113: 100%. In the area of the ZIP code 61770 valid time zone America/Chicago.
ZIP: 61770
County: McLean
Place Name: Saybrook
State: Illinois
State Abbreviation: IL
Coordinates: 40° 26' 35.52" N, 88° 31' 33.348" W
Latitude: 40.443200000000
Longitude: -88.525930000000
Population: 1108
Density: 6.9/km2
Time zone: America/Chicago
County FIPS: 17113
All county weights: 17113: 100%