Home > IL > LaSalle County > Tonica > Zip 61370

Zip Code 61370 — Tonica, IL

61370 is a ZIP Code associated with Tonica, IL, located within LaSalle. The postal region supports an estimated population of 1,215 residents across Data Pending housing units, with a population density of 10.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.208540, -89.034760)

Data MetricLocal Statistic
Postal / Zip Code61370
Primary CityTonica
State / ProvinceIL
CountyLaSalle
Total Population1,215
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density10.5 people/sq mi
TimezoneAmerica/Chicago

How 61370 Compares

MetricZIP 61370LaSalle CountyIL State Average
Population1,215106,52412,694,745
Median IncomeData PendingN/AN/A
Population Density10.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61332Leonore2.9 mi104N/A
Zip 61348Oglesby5.0 mi4,375N/A
Zip 61334Lostant5.4 mi738N/A
Zip 61316Cedar Point5.8 mi256N/A
Zip 61363Standard8.3 mi250N/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 →