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Mount Holly, NC ZIP code

The ZIP code for Mount Holly (also written Mt. Holly), North Carolina is 28120. It is in Gaston County.

Population in these ZIPs
25,805
Avg. median income
$78,200population-weighted
Typical home value
$363,300population-weighted
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ZIP codes within 10 miles

Mount Holly, NC ZIP code list

Mount Holly, NC ZIP codes
ZIP codePopulationMedian incomeTypical home value
2812025,805$78,231$363,300

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

Cities near Mount Holly

Frequently asked questions

What is the ZIP code for Mount Holly, NC?

The ZIP code for Mount Holly, NC is 28120.

What county is Mount Holly, North Carolina in?

Mount Holly ZIP codes are in Gaston County.