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Frederick, IL ZIP code

The ZIP code for Frederick, Illinois is 62639. It is in Schuyler County.

Population in these ZIPs
215
Avg. median income
$62,300population-weighted
Typical home value
—population-weighted
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ZIP codes within 10 miles

Frederick, IL ZIP code list

Frederick, IL ZIP codes
ZIP codePopulationMedian incomeTypical home value
62639215$62,292—

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 Frederick

Frequently asked questions

What is the ZIP code for Frederick, IL?

The ZIP code for Frederick, IL is 62639.

What county is Frederick, Illinois in?

Frederick ZIP codes are in Schuyler County.