Zip Code 61042 — Harmon, IL

ZIP Code 61042 is associated with Harmon, IL, in Lee County. The listed population estimate is 404; estimated density is 2.3 people per square mile. Among records with population estimates, it ranks #11 of 13 in Lee County and #1157 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.688190, -89.560150)

Data MetricLocal Statistic
Postal / Zip Code61042
Primary CityHarmon
State / ProvinceIL
CountyLee
Total Population404
Population Density2.3 people/sq mi
TimezoneAmerica/Chicago

How 61042 Compares

MetricZIP 61042Lee County recordsIL records
Population estimate40434,166 (sum)12,694,745 (sum)
Population Density2.3 /sq mi----
County population rank#11 of 13----
State population rank#1157 of 1,390----

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 61071Rock Falls7.7 mi13,581
ZIP 61243Deer Grove7.8 mi155
ZIP 61324Eldena9.4 mi97
ZIP 61376Walnut10.5 mi1,894
ZIP 61021Dixon10.6 mi22,308

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 →