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Johnston, SC ZIP code

The ZIP code for Johnston, South Carolina is 29832. It is in Edgefield County.

Population in these ZIPs
5,074
Avg. median income
$42,500population-weighted
Typical home value
$148,300population-weighted
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ZIP codes within 10 miles

Johnston, SC ZIP code list

Johnston, SC ZIP codes
ZIP codePopulationMedian incomeTypical home value
298325,074$42,500$148,300

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 Johnston, SC?

The ZIP code for Johnston, SC is 29832.

What county is Johnston, South Carolina in?

Johnston ZIP codes are in Edgefield County.