Zip Code 28120
Mount Holly, North Carolina — Gaston County
📍 ZIP code 28120 is in Mount Holly, Gaston County, North Carolina.
ZIP code 28120 is located in Mount Holly, Gaston County, North Carolina. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 24,363. The area code for ZIP code 28120 is 704.
Quick Answer
Zip code 28120 is in Mount Holly, North Carolina (Gaston County). It has a population of 24,363, median household income of $74,809, and median home value of $272,500.
Population
24,363
Income
$74,809
Home Value
$272,500
Climate
91°F / 31°F
About Zip Code 28120
Zip code 28120 is located in Mount Holly, North Carolina, within Gaston County. Home to approximately 24,363 residents, this area sits at an elevation of 626 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 704.
The median household income is $74,809 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $272,500, and the cost of living index is 89 (11% below the national average of 100).
Summers average a high of 91°F while winters drop to 31°F. The area receives about 44 in of rain and 1 in of snow annually. The zip code covers 30.4 square miles of land area and 2 square miles of water.
Key Statistics
24,363
$74,809
$272,500
Eastern (EST/EDT)
704
626 ft
30.4 sq mi
40.7
10,590
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Compare With Nearby Zip Codes
| Metric | 28120 | 28164 | 28214 | 28101 | 28098 | 28006 |
|---|---|---|---|---|---|---|
| City | Mount Holly, NC | Mount Holly, NC | Charlotte, NC | Mc Adenville, NC | Lowell, NC | Alexis, NC |
| Population | 24,363 | 15,991 | 42,197 | 1,027 | 3,746 | 1,311 |
| Median Income | $74,809 | $82,661 | $83,618 | $124,063 | $51,879 | $50,117 |
| Home Value | $272,500 | $268,800 | $258,400 | $342,000 | $153,300 | $242,000 |
| Cost of Living | 89 | 89 | 86 | 120 | 64 | 74 |
| Median Age | 40.7 | 43.4 | 35.4 | 40.7 | 41.1 | 44.2 |
Cost of Living
100 = National Average. Mount Holly's cost of living is 11% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.6x
Demographics
Zip code 28120 has a population of 24,363 people with a median age of 40.7. There are 10,590 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mount Holly (28120) population trend from 2010 to 2024
↓ -13.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
91°F
31°F
44 in
1 in
Mount Holly experiences hot summers with average highs around 91°F. Winters are cool with lows averaging 31°F. The area receives about 1 in of snow per year.
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Housing & Economy
Median Home Value
$272,500
Median Household Income
$74,809
With 10,590 housing units across 30.4 square miles, 28120 has a housing density of 348 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
35.3286°
Longitude
-81.0264°
Land Area
30.4 sq mi
Water Area
2 sq mi
Nearby Zip Codes
Zip codes closest to 28120 (Mount Holly, NC) with distances:
All Zip Codes in Mount Holly, NC
Other zip codes serving Mount Holly:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 28120's $74,809. A way to compare Mount Holly to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 28120 (Mount Holly, NC). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Mount Holly, North Carolina?
Mount Holly, North Carolina uses zip code 28120 along with 1 other zip codes.
What county is zip code 28120 in?
Zip code 28120 is located in Gaston County, North Carolina.
What is the population of zip code 28120?
The population of zip code 28120 is 24,363 with a median age of 40.7.
Is 28120 in Mount Holly, North Carolina?
Yes, zip code 28120 is in Mount Holly, Gaston County, North Carolina. The area code is 704.
Frequently Asked Questions
What city is zip code 28120 in?
Zip code 28120 is in Mount Holly, North Carolina. It is part of Gaston County and uses the Eastern (EST/EDT) timezone.
What is zip code 28120?
Zip code 28120 is a U.S. postal code in Mount Holly, North Carolina (Gaston County). It has a population of 24,363 and covers 30.4 square miles.
What is the population of zip code 28120?
The population of zip code 28120 (Mount Holly, NC) is 24,363 with a median age of 40.7. There are approximately 10,590 housing units in this area.
What is the median income in zip code 28120?
The median household income in zip code 28120 (Mount Holly, NC) is $74,809 per year. The cost of living index is 89 (100 = national average).
What is the average home price in zip code 28120?
The median home value in zip code 28120 (Mount Holly, NC) is $272,500. The cost of living index is 89 compared to the national average of 100.
What county is zip code 28120 in?
Zip code 28120 is located in Gaston County, North Carolina. The primary city is Mount Holly.
What is the area code for zip code 28120?
Zip code 28120 in Mount Holly, NC uses area code 704. It is located in the Eastern (EST/EDT) timezone.
Is zip code 28120 a good place to live?
Zip code 28120 (Mount Holly, NC) has a cost of living index of 89 (100 = national average), a median household income of $74,809, and median home values of $272,500. The median age is 40.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 28120?
The cost of living index for zip code 28120 (Mount Holly, NC) is 89, where 100 represents the national average. This area is below the national average. Median home value: $272,500.
What schools serve zip code 28120?
Zip code 28120 in Mount Holly, North Carolina is served by the local school district of Gaston County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.