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Carthage, IL ZIP code

The ZIP code for Carthage, Illinois is 62321. It is in Hancock County.

Population in these ZIPs
3,576
Avg. median income
$76,800population-weighted
Typical home value
$124,800population-weighted
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ZIP codes within 10 miles

Carthage, IL ZIP code list

Carthage, IL ZIP codes
ZIP codePopulationMedian incomeTypical home value
623213,576$76,825$124,800

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

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Frequently asked questions

What is the ZIP code for Carthage, IL?

The ZIP code for Carthage, IL is 62321.

What county is Carthage, Illinois in?

Carthage ZIP codes are in Hancock County.