Mount Holly is a city in Gaston County, North Carolina, home to about 18,208 people across 11 square miles. Its ZIP code is 28120, and parts of 28012 are in Mount Holly too.
Homes sold for a median of $210 per square foot in the three months ending August 2026, a balanced market.
Mostly Mount Holly
Mostly Belmont; part is in Mount Holly
Each card is that ZIP code’s whole market, including any part outside Mount Holly. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Holly’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Charlotte Douglas International Airport (CLT)8 miles away |
|---|---|
| Nearest city of 250,000+ | Charlotte, NC13 miles away |
| Nearest city of 1 million+ | Philadelphia, PA458 miles away |
Straight-line distances from the center of Mount Holly; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mount Holly had 17,703 residents in the 2020 census, up 84% since 2000.
It’s the 58th largest of 771 towns in North Carolina by population.
Gaston County grew from 27,903 residents in 1900 to 227,943 in 2020.
Gaston County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 31°F. About 44.1 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Gastonia, NC weather station (7 miles away).
72,268 jobs at 4,594 businesses in Gaston County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
80 doctors and other health care providers list an office in Mount Holly.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Dentists | 11 |
| Nurse practitioners and physician assistants | 18 |
| Mental health providers | 25 |
| Physical and occupational therapists | 14 |
| Optometrists | 2 |
| Chiropractors | 2 |
| Pharmacies | 6 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (10 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1838.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Gaston County Schools, Mountain Island Charter. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ida Rankin Elementary SchoolMount Holly | Pre-K–5 | 533 | Public | 0.8 mi |
| Pinewood ElementaryMount Holly | Pre-K–5 | 508 | Public | 2.5 mi |
| Mountain Island Charter SchoolMt. Holly | K–12 | 1,782 | Charter | 4.5 mi |
| Mount Holly MiddleMount Holly | 6–8 | 570 | Public | 0.7 mi |
| East Gaston HighMount Holly | 9–12 | 917 | Public | 2.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Belmont and Cramerton.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.