Home > IL > McLean County > Saybrook > Zip 61770

Zip Code 61770 — Saybrook, IL

61770 is a ZIP Code associated with Saybrook, IL, located within McLean. The postal region supports an estimated population of 1,067 residents across Data Pending housing units, with a population density of 6.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.439650, -88.524570)

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

How 61770 Compares

MetricZIP 61770McLean CountyIL State Average
Population1,067171,87812,694,745
Median IncomeData PendingN/AN/A
Population Density6.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61722Arrowsmith5.7 mi658N/A
Zip 61724Bellflower7.3 mi369N/A
Zip 61720Anchor7.8 mi374N/A
Zip 61845Foosland8.0 mi233N/A
Zip 60936Gibson City8.8 mi4,246N/A

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 →