Home > IL > McLean County > Saybrook > Zip 61770

Zip Code 61770 — Saybrook, IL

ZIP Code 61770 is associated with Saybrook, IL, in McLean County. The listed population estimate is 1,067; estimated density is 6.8 people per square mile. Among records with population estimates, it ranks #16 of 24 in McLean County and #897 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.439650, -88.524570)

Data MetricLocal Statistic
Postal / Zip Code61770
Primary CitySaybrook
State / ProvinceIL
CountyMcLean
Total Population1,067
Population Density6.8 people/sq mi
TimezoneAmerica/Chicago

How 61770 Compares

MetricZIP 61770McLean County recordsIL records
Population estimate1,067171,878 (sum)12,694,745 (sum)
Population Density6.8 /sq mi----
County population rank#16 of 24----
State population rank#897 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 61722Arrowsmith5.7 mi658
ZIP 61724Bellflower7.3 mi369
ZIP 61720Anchor7.8 mi374
ZIP 61845Foosland8.0 mi233
ZIP 60936Gibson City8.8 mi4,246

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →