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Zip Code 61331 — Lee Center, IL

ZIP Code 61331 is associated with Lee Center, IL, in Lee County. The listed population estimate is Data Pending; estimated density is Data Pending people per square mile.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.747710, -89.277540)

Data MetricLocal Statistic
Postal / Zip Code61331
Primary CityLee Center
State / ProvinceIL
CountyLee
Total PopulationData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Chicago

How 61331 Compares

MetricZIP 61331Lee County recordsIL records
Population estimateData Pending34,166 (sum)12,694,745 (sum)
Population DensityData Pending /sq mi----
County population rankNot ranked----
State population rankNot ranked----

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 61310Amboy5.0 mi3,347
ZIP 61031Franklin Grove6.2 mi1,492
ZIP 61378West Brooklyn6.3 mi513
ZIP 61324Eldena7.2 mi97
ZIP 61057Nachusa8.1 mi30

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 →