Home > IL > Marshall County > Lacon > Zip 61540

Zip Code 61540 — Lacon, IL

61540 is a ZIP Code associated with Lacon, IL, located within Marshall. The postal region supports an estimated population of 2,753 residents across Data Pending housing units, with a population density of 20.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.018560, -89.368670)

Data MetricLocal Statistic
Postal / Zip Code61540
Primary CityLacon
State / ProvinceIL
CountyMarshall
Total Population2,753
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density20.2 people/sq mi
TimezoneAmerica/Chicago

How 61540 Compares

MetricZIP 61540Marshall CountyIL State Average
Population2,7539,55312,694,745
Median IncomeData PendingN/AN/A
Population Density20.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61375Varna6.4 mi989N/A
Zip 61565Sparland7.3 mi1,262N/A
Zip 61570Washburn7.4 mi1,503N/A
Zip 61541La Rose7.5 mi97N/A
Zip 61537Henry8.6 mi2,743N/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 →