ZIP Code Tabulation Area · North Carolina

ZIP Code 28120: Mount Holly, NC

ZIP Code 28120 (Mount Holly, Gaston County, North Carolina) has an estimated 25,805 residents in 10,241 households. The median household income is $78,231, the median home value is $321,500 and the median gross rent is $1,234/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

25,805

Margin of error ±863

Median household income

$78,231

Margin of error ±$5,289

Median home value

$321,500

Margin of error ±$17,588

Median gross rent

$1,234/mo

Margin of error ±$110

Median age

40.4 yrs

Margin of error ±2.1 yrs

Mean travel time to work

27.4 min

Margin of error ±3.1 min

How ZIP 28120 compares with North Carolina and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 2812040.4 yrsNorth Carolina39.1 yrsUnited States38.9 yrs

Median household income

ZIP 28120$78,231North Carolina$72,388United States$80,734

Per capita income

ZIP 28120$41,978North Carolina$41,385United States$44,673

Poverty rate

ZIP 2812012.2%North Carolina13.0%United States12.5%

Unemployment rate

ZIP 281205.0%North Carolina4.7%United States5.2%

Bachelor's degree or higher

ZIP 2812033.8%North Carolina35.7%United States35.7%

Median home value

ZIP 28120$321,500North Carolina$288,900United States$332,700

Median gross rent

ZIP 28120$1,234/moNorth Carolina$1,228/moUnited States$1,413/mo

Owner-occupied homes

ZIP 2812074.7%North Carolina66.6%United States65.2%

Mean travel time to work

ZIP 2812027.4 minNorth Carolina25.1 minUnited States26.4 min

Worked from home

ZIP 2812017.0%North Carolina16.3%United States15.1%

All figures for ZIP 28120

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 28120 — ACS 2020–2024 5-year estimates
Measure	ZIP 28120	Margin of error	North Carolina	United States
Total population	25,805	±863	10,730,404	334,922,499
Median age	40.4 yrs	±2.1 yrs	39.1 yrs	38.9 yrs
Households	10,241	±409	4,282,345	129,227,496
Median household income	$78,231	±$5,289	$72,388	$80,734
Per capita income	$41,978	±$2,779	$41,385	$44,673
Poverty rate	12.2%	±2.9 pts	13.0%	12.5%
Unemployment rate	5.0%	±2.1 pts	4.7%	5.2%
Bachelor's degree or higher	33.8%	±2.7 pts	35.7%	35.7%
Median home value	$321,500	±$17,588	$288,900	$332,700
Median gross rent	$1,234/mo	±$110	$1,228/mo	$1,413/mo
Owner-occupied homes	74.7%	±3.0 pts	66.6%	65.2%
Mean travel time to work	27.4 min	±3.1 min	25.1 min	26.4 min
Worked from home	17.0%	±2.4 pts	16.3%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 28120
Group	ZIP 28120	North Carolina	United States
White alone, not Hispanic or Latino	67.3%	60.0%	57.4%
Black or African American alone, not Hispanic or Latino	14.6%	20.0%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.2%	0.8%	0.5%
Asian alone, not Hispanic or Latino	1.8%	3.3%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.1%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	1.5%	0.5%	0.6%
Two or more races, not Hispanic or Latino	5.1%	4.1%	4.3%
Hispanic or Latino (of any race)	9.5%	11.3%	19.3%

Where ZIP 28120 is

State: North Carolina
Main county: Gaston County
Largest overlapping place: Mount Holly (31% of the ZIP's land area)
Land area: 31.37 sq mi· about 823 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Gaston County

28006 Gaston County, NC 28012 Belmont, NC 28016 Gaston County, NC 28021 Gaston County, NC 28032 Cramerton, NC 28034 Gaston County, NC 28052 Gastonia, NC 28054 Gastonia, NC 28056 Gastonia, NC 28077 High Shoals, NC 28098 Lowell, NC 28101 McAdenville, NC 28164 Gaston County, NC

See every ZIP code in North Carolina, or compare ZIP 28120 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.