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South Gibson, PA ZIP code

The ZIP code for South Gibson, Pennsylvania is 18842. It is in Susquehanna County.

Population in these ZIPs
121
Avg. median income
$83,000population-weighted
Typical home value
$195,800population-weighted
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ZIP codes within 10 miles

South Gibson, PA ZIP code list

South Gibson, PA ZIP codes
ZIP codePopulationMedian incomeTypical home value
18842121$82,969$195,800

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 South Gibson, PA?

The ZIP code for South Gibson, PA is 18842.

What county is South Gibson, Pennsylvania in?

South Gibson ZIP codes are in Susquehanna County.