28120 ZIP Code — Mount Holly, NC
Gaston County, North Carolina
ZIP code 28120 is located in Mount Holly, North Carolina, within Gaston County. It covers approximately 31.37 square miles and serves a population of 23,418 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 704/980.
About ZIP code 28120
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $237,300. Owner-occupancy sits near the national average at 74%.
Median household income is $71,996. 32% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.
23,418
population
31.37
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
28120 ZIP code map
Cities in ZIP code 28120
Below are the cities the US Postal Service accepts for ZIP code 28120. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Mount Holly | Acceptable |
| Mount Holly | Preferred |
Nearby ZIP codes
28164 Stanley (4.5 mi)
28214 Charlotte (4.6 mi)
28101 Mc Adenville (5.8 mi)
28098 Lowell (5.9 mi)
28216 Charlotte (6.7 mi)
28006 Alexis (7 mi)
28032 Cramerton (7.1 mi)
28012 Belmont (7.4 mi)
28056 Gastonia (8.2 mi)
28208 Charlotte (8.6 mi)
28054 Gastonia (8.6 mi)
28034 Dallas (9.6 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 23,418 |
| Population density | 747 / sq mi |
| State FIPS | 37 |
| County FIPS | 071 |
| Geography | |
|---|---|
| Land area | 31.37 sq mi |
| Water area | 1.90 sq mi |
| Latitude | 35.3231 |
| Longitude | -81.0166 |
| Timezone | Eastern (ET) |
| Area code | 704/980 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.5% | 46.6% | 44.4% |
| $50k – $100k | 33.1% | 30.5% | 30.6% |
| $100k – $200k | 21.8% | 19.2% | 19.1% |
| Over $200k | 4.6% | 3.7% | 6.0% |
Demographics & statistics
23,418
Population
747
People per sq mi
41.8
Median age
$71,996
Median household income
$38,666
Per capita income
$237,300
Median home value
$1,109
Median monthly rent
74.0%
Home ownership
9.4%
Poverty rate
5.5%
Unemployment
7,610
Housing units
32.1%
Bachelor's or higher
Age distribution
Male
Female
595
Under 5
581
701
5–9
685
649
10–14
634
567
15–19
555
730
20–24
713
1,589
25–34
1,554
1,595
35–44
1,560
1,889
45–54
1,847
834
55–59
816
853
60–64
833
1,222
65–74
1,194
415
75–84
406
203
85+
198
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 4,727 | 20.2% |
| 18 and over | 18,691 | 79.8% |
| 65 and over | 3,638 | 15.5% |
| Median age | 41.8 years | |
Race & ethnicity
White
73.9%
Black or African American
12.9%
Two or more races
4.9%
Hispanic or Latino
3.8%
Asian
2.9%
Other race
1.4%
Native Hawaiian / Pacific Islander
0.1%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 17,995 | 73.9% |
| Black or African American | 3,137 | 12.9% |
| Two or more races | 1,188 | 4.9% |
| Hispanic or Latino | 936 | 3.8% |
| Asian | 700 | 2.9% |
| Other race | 334 | 1.4% |
| Native Hawaiian / Pacific Islander | 33 | 0.1% |
| American Indian / Alaska Native | 31 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.5% | 46.6% | 44.4% |
| $50k – $100k | 33.1% | 30.5% | 30.6% |
| $100k – $200k | 21.8% | 19.2% | 19.1% |
| Over $200k | 4.6% | 3.7% | 6.0% |
Under $10k
7.0%
$10k–$15k
2.3%
$15k–$25k
4.8%
$25k–$35k
8.2%
$35k–$50k
10.7%
$50k–$75k
19.0%
$75k–$100k
12.5%
$100k–$150k
17.9%
$150k–$200k
10.2%
$200k+
7.4%
| Range | % of households |
|---|---|
| Under $10k | 7.0% |
| $10k–$15k | 2.3% |
| $15k–$25k | 4.8% |
| $25k–$35k | 8.2% |
| $35k–$50k | 10.7% |
| $50k–$75k | 19.0% |
| $75k–$100k | 12.5% |
| $100k–$150k | 17.9% |
| $150k–$200k | 10.2% |
| $200k+ | 7.4% |
| Median income | $71,996 |
Housing
Home values
Under $50k
3.6%
$50k–$100k
4.4%
$100k–$150k
13.2%
$150k–$200k
17.5%
$200k–$300k
29.3%
$300k–$500k
22.4%
$500k–$1M
8.7%
$1M+
0.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $237,300 |
| Median rent / month | $1,109 |
| Owner occupied | 74.0% |
| Renter occupied | 26.0% |
| Vacant | 6.0% |
| Single-family detached | 76.5% |
| Large apartment buildings | 1.9% |
| Mobile homes | 9.0% |
| Median rooms | 5.9 |
| Avg household size (owned) | 2.59 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.6% |
| 2010–2019 | 13.6% |
| 2000–2009 | 21.1% |
| 1990–1999 | 11.9% |
| 1980–1989 | 12.6% |
| 1970–1979 | 11.0% |
| 1960–1969 | 10.8% |
| 1950–1959 | 8.0% |
| 1940–1949 | 4.4% |
| 1939 or earlier | 6.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 4.4% |
| 2 bedrooms | 25.7% |
| 3 bedrooms | 45.9% |
| 4 bedrooms | 17.5% |
| 5+ bedrooms | 6.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.0% |
| 1 vehicle | 27.9% |
| 2 vehicles | 41.1% |
| 3 or more | 29.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 43.6% |
| Electricity | 52.6% |
| Propane / LP gas | 2.2% |
| Fuel oil | 0.5% |
| Wood | 0.1% |
| Solar | 0.1% |
| No fuel used | 0.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,958 | 52.4% |
| Cohabiting couple | 581 | 6.1% |
| Male householder, no spouse | 1,734 | 18.3% |
| Female householder, no spouse | 2,187 | 23.1% |
| Households with children under 18 | 2,834 | 30.0% |
| Households with seniors (65+) | 2,691 | 28.4% |
| Average household size | 2.47 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.5% | 23.6% |
| Married | 53.7% | 53.6% |
| Separated | 1.0% | 1.5% |
| Widowed | 3.4% | 8.1% |
| Divorced | 10.3% | 13.2% |
Education
Less than 9th grade
2.2%
Some HS, no diploma
7.6%
HS graduate
25.2%
Some college, no degree
21.4%
Associate's degree
11.4%
Bachelor's degree
22.2%
Graduate / professional
9.9%
| Metric | % |
|---|---|
| HS diploma or higher | 90.1% |
| Bachelor's or higher | 32.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 213 | 4.6% |
| Kindergarten | 378 | 8.2% |
| Elementary school | 2,063 | 44.6% |
| High school | 1,058 | 22.9% |
| College / grad school | 912 | 19.7% |
Employment
Industry of employment
Education & healthcare
19.4%
Manufacturing
13.9%
Retail trade
11.3%
Professional & management
11.2%
Construction
10.2%
Finance & real estate
9.4%
Transportation & utilities
7.0%
Arts, food & hospitality
5.3%
Other services
3.7%
Wholesale trade
3.5%
Information
2.7%
Public administration
2.2%
Agriculture & mining
0.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 43.3% |
| Service | 10.4% |
| Sales & office | 21.2% |
| Natural resources & construction | 11.5% |
| Production & transportation | 13.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 88.0% |
| Government | 8.8% |
| Self-employed | 2.4% |
| Unpaid family workers | 0.7% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.8% |
| Carpool | 7.8% |
| Public transit | 0.1% |
| Walk | 0.6% |
| Work from home | 11.8% |
| Other means | 1.8% |
| Avg commute (minutes) | 27.8 |
Poverty
All people
9.4%
Under 18 years
10.8%
18 and over
9.1%
Married-couple families
4.4%
Female-led households
23.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 31.6% |
| Retirement income | 22.1% |
| Supplemental Security | 5.6% |
| Cash public assistance | 0.5% |
| Food stamps / SNAP | 12.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.4% |
| High blood pressure | 34.5% |
| High cholesterol | 34.1% |
| Diabetes | 9.3% |
| Heart disease | 6.0% |
| Stroke | 3.0% |
| Asthma | 8.8% |
| Arthritis | 24.5% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.6% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 19.4% |
| Binge drinking | 16.9% |
| No physical activity | 21.8% |
| Less than 7 hrs sleep | 31.5% |
| Depression | 23.4% |
| Fair or poor health | 12.8% |
| Poor mental health | 14.5% |
| Poor physical health | 10.1% |
| No health insurance | 17.0% |
| Visited doctor (checkup) | 77.0% |
| Visited dentist | 63.4% |
| Cholesterol screening | 89.8% |
| Teeth loss | 14.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,578 | 8.5% |
| Disability | % |
|---|---|
| Any disability | 11.4% |
| Under 18 | 1.8% |
| 18–64 years | 9.7% |
| 65 and over | 30.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 67.6% |
| Public insurance | 32.2% |
| No insurance | 11.3% |
| Uninsured under 19 | 4.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 22,242 | 95.0% |
| Spanish | 649 | 2.9% |
| Other Indo-European | 565 | 2.5% |
| Asian & Pacific Islander | 9 | 0.0% |
| Other languages | 75 | 0.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 22,243 | 95.0% |
| Born in same state | 21,921 | 93.6% |
| Born in different state | 14,443 | 61.7% |
| Foreign born | 322 | 1.4% |
| Naturalized citizen | 1,175 | 5.0% |
| Not a US citizen | 341 | 29.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 3,057 | 13.1% |
| French | 2,787 | 11.9% |
| Italian | 2,168 | 9.3% |
| English | 257 | 1.1% |
| Ancestry | Count | % |
|---|---|---|
| German | 117 | 0.5% |
| Polish | 106 | 0.5% |
| Irish | 72 | 0.3% |
| Dutch | 17 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.4% |
| Internet access | 95.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 28120
What city is ZIP code 28120 in?
ZIP code 28120 is primarily assigned to Mount Holly, North Carolina.
What county is ZIP code 28120 in?
ZIP code 28120 falls within Gaston County, North Carolina.
What is the population of ZIP code 28120?
ZIP code 28120 has an estimated population of 23,418 residents, with a density of 746 people per square mile.
What is the median household income in ZIP code 28120?
The median household income in ZIP code 28120 is $71,996, below the national median of ~$75,000.
What is the typical home value in ZIP code 28120?
The median home value in ZIP code 28120 is $237,300.
What timezone is ZIP code 28120 in?
ZIP code 28120 observes the EST timezone.