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Zip Code 28120 — Mount Holly, NC

28120 is a ZIP Code associated with Mount Holly, NC, located within Gaston. The postal region supports an estimated population of 25,805 residents across Data Pending housing units, with a population density of 317.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (35.333050, -81.026920)

Data Metric	Local Statistic
Postal / Zip Code	28120
Primary City	Mount Holly
State / Province	NC
County	Gaston
Total Population	25,805
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	317.6 people/sq mi
Timezone	America/New_York

How 28120 Compares

Metric	ZIP 28120	Gaston County	NC State Average
Population	25,805	238,761	10,730,463
Median Income	Data Pending	N/A	N/A
Population Density	317.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 28164	Stanley	4.1 mi	16,874	N/A
Zip 28214	Charlotte	5.4 mi	43,837	N/A
Zip 28098	Lowell	5.9 mi	3,851	N/A
Zip 28101	McAdenville	5.9 mi	898	N/A
Zip 28006	Alexis	6.3 mi	1,518	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →