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Lockport, IL ZIP code

The ZIP code for Lockport, Illinois is 60441. It is in Will County.

Population in these ZIPs
36,844
Avg. median income
$103,400population-weighted
Typical home value
$365,500population-weighted
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ZIP codes within 10 miles

Lockport, IL ZIP code list

Lockport, IL ZIP codes
ZIP codePopulationMedian incomeTypical home value
6044136,844$103,374$365,500

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

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Frequently asked questions

What is the ZIP code for Lockport, IL?

The ZIP code for Lockport, IL is 60441.

What county is Lockport, Illinois in?

Lockport ZIP codes are in Will County.