Home > IL > Lee County > Franklin Grove > Zip 61031

Zip Code 61031 — Franklin Grove, IL

61031 is a ZIP Code associated with Franklin Grove, IL, located within Lee. The postal region supports an estimated population of 1,492 residents across Data Pending housing units, with a population density of 12.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.832630, -89.316260)

Data MetricLocal Statistic
Postal / Zip Code61031
Primary CityFranklin Grove
State / ProvinceIL
CountyLee
Total Population1,492
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density12.8 people/sq mi
TimezoneAmerica/Chicago

How 61031 Compares

MetricZIP 61031Lee CountyIL State Average
Population1,49234,16612,694,745
Median IncomeData PendingN/AN/A
Population Density12.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61057Nachusa3.5 mi30N/A
Zip 61006Ashton5.9 mi1,541N/A
Zip 61331Lee Center6.2 miN/AN/A
Zip 61324Eldena6.6 mi97N/A
Zip 61021Dixon8.3 mi22,308N/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 →