Harmon, IL ZIP code

The ZIP code for Harmon, Illinois is 61042. It is in Lee County.

61042

Population in these ZIPs: 404
Avg. median income: $70,800population-weighted
Typical home value: $206,500population-weighted
Metro area: Dixon, IL

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Harmon, IL ZIP code list

Harmon, IL ZIP codes
ZIP code	Population	Median income	Typical home value
61042	404	$70,833	$206,500

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Harmon

Rock Falls 8 mi
Deer Grove 8 mi
Eldena 9 mi
Dixon 10 mi
Amboy 11 mi
Walnut 11 mi
Ohio 12 mi
Galt 12 mi
Nachusa 13 mi
Kasbeer 14 mi
Tampico 14 mi
Sterling 14 mi

Frequently asked questions

What is the ZIP code for Harmon, IL?

The ZIP code for Harmon, IL is 61042.

What county is Harmon, Illinois in?

Harmon ZIP codes are in Lee County.