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Omaha, IL ZIP code

The ZIP code for Omaha, Illinois is 62871. It is in Gallatin County.

Population in these ZIPs
866
Avg. median income
$107,800population-weighted
Typical home value
$80,500population-weighted
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ZIP codes within 10 miles

Omaha, IL ZIP code list

Omaha, IL ZIP codes
ZIP codePopulationMedian incomeTypical home value
62871866$107,750$80,500

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 Omaha, IL?

The ZIP code for Omaha, IL is 62871.

What county is Omaha, Illinois in?

Omaha ZIP codes are in Gallatin County.