Postal Codes

28120 ZIP Code

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ZIP code 28120 covers Mount Holly, North Carolina, with a population of about 24,363 and a median household income of $74,809.

Population
24,363777 per square mile
Median age
40.72 points above the US average
Median household income
$74,8091.1× the North Carolina median
Poverty rate
9.9%2.5 points below the US average
Typical home value
$369,016up 28.4% in five years
Median rent
$1,179about the North Carolina median
Degree or higher
33.2%1.8 points below the US average
Homeownership
72%7 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
385

Where 28120 is

Mount Holly, North Carolina — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population24,363
Median age40.7
Family households70.5%
Born outside the US5.9%
Speaks a language other than English at home8.5%
White (non-Hispanic)71.4%
Black (non-Hispanic)13.7%
Asian (non-Hispanic)2.3%
Hispanic or Latino8.8%
Veterans8.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$74,809
Income per person$41,857
Poverty rate9.9%
Households on SNAP or cash assistance11.9%

Household income distribution

Under $10k6.8%
$10–15k2.6%
$15–20k2.2%
$20–25k2.3%
$25–30k4.3%
$30–35k3.9%
$35–40k2.1%
$40–45k4.7%
$45–50k2.9%
$50–60k5.8%
$60–75k12.5%
$75–100k11.8%
$100–125k9.7%
$125–150k8.7%
$150–200k11.2%
$200k or more8.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed12,010
Mean adjusted gross income$81,348
Returns declaring $200,000 or more6.2%
Returns, under $25k24.1%
Returns, $25k–$50k22.1%
Returns, $50k–$75k16.3%
Returns, $75k–$100k11.1%
Returns, $100k–$200k20.2%
Returns, $200k or more6.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$272,500
Median gross rent$1,179
Rent as a share of household income30%
Owner-occupied72%
Vacant homes6.1%
Median year built1990

What the homes are

Detached house76.1%
Attached house3.8%
2 to 4 units3.6%
5 to 19 units6.3%
20 or more units1.4%
Mobile home8.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$369,016as of 2026-07
Typical home value, 1 yearup 1%
Typical home value, 5 yearsup 28.4%
Typical home value, 10 yearsup 119.4%
Typical asking rent$1,785as of 2026-07
Typical asking rent, 1 yearup 5.1%
Typical home value since 2000
200220142026$369,016$141,429

$148,867 in 2002 to $369,016 in 2026.

Typical asking rent
202220242026$1,785$1,494

$1,494 in 2022 to $1,785 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.5%
Bachelor's degree or higher33.2%
High school diploma or higher90.3%
Works from home14.7%
Drives to work alone74.6%
Takes public transport0%
Commutes 45 minutes or more11.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity34.2% 0.8 pts above the national average of 33.4%
Diagnosed diabetes11% 1 pts below the national average of 12%
Currently smokes13.6% same as the national average of 13.2%
High blood pressure35.1% 1 pts above the national average of 34.1%
Fair or poor general health17.5% 2.8 pts below the national average of 20.3%
No health insurance (18–64)8.9% 2.4 pts below the national average of 11.3%
Depression25.1% 3.2 pts above the national average of 21.9%
No leisure-time physical activity22% 3.4 pts below the national average of 25.4%
Arthritis27.3% 2.2 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication76.6% 1.9 pts above the national average of 74.7%
Cancer (non-skin)8.2% 0.5 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease6.1% same as the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening88.3% 2.4 pts above the national average of 85.9%
Cognitive disability14.4% same as the national average of 14.8%
Colorectal screening66.9% 2.6 pts above the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist66.3% 5 pts above the national average of 61.3%
Any disability29.8% 0.9 pts below the national average of 30.7%
Lacks emotional support21.7% 3.1 pts below the national average of 24.8%
Food insecurity13% 4.1 pts below the national average of 17.1%
Received food stamps10.3% 4 pts below the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol36.1% same as the national average of 36.2%
Housing insecurity11.1% 2.7 pts below the national average of 13.8%
Independent living disability7.7% 0.7 pts below the national average of 8.4%
Lacks transport7.4% 1.8 pts below the national average of 9.2%
Loneliness32.4% 2 pts below the national average of 34.4%
Mammography use78.6% 2.7 pts above the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability13% 1 pts below the national average of 14%
Poor physical health (14+ days)12.4% 1.1 pts below the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat7.3% 1.5 pts below the national average of 8.8%
Sleeps under 7 hours35.5% 0.9 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost12.5% 0.5 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments385
People employed5,786
Annual payroll$355,688,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 17.5% of US census tracts
FEMA ratingVery Low to Relatively Low across the 15 census tracts this ZIP code covers
Expected annual loss20.3 out of 100
Community resilience39.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Ice storm82.7Relatively High at its worst in this ZIP code
Landslide65Very Low at its worst in this ZIP code
Strong wind61.3Relatively Moderate at its worst in this ZIP code
Tornado50.7Relatively Moderate at its worst in this ZIP code
Wildfire48.8Relatively Low at its worst in this ZIP code
Lightning48.4Relatively Moderate at its worst in this ZIP code
Hurricane47.7Relatively Low at its worst in this ZIP code
Hail42.4Relatively Low at its worst in this ZIP code
Earthquake36.8Relatively Low at its worst in this ZIP code
River flooding33.7Relatively High at its worst in this ZIP code
Winter weather28.8Relatively Low at its worst in this ZIP code
Cold wave26.3Relatively Low at its worst in this ZIP code
Heat wave10Relatively Low at its worst in this ZIP code
Drought5.4Very Low at its worst in this ZIP code
Compared with North Carolina and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNorth CarolinaUnited States
Median household income$74,809$69,904$78,538
Income per person$41,857$39,616$43,289
Poverty rate9.9%13.2%12.4%
Median home value$272,500$259,400$303,400
Median gross rent$1,179$1,162$1,348
Homeownership72%66.4%65%
Bachelor's degree or higher33.2%34.7%35%
Unemployment rate5.5%4.8%5.2%
Works from home14.7%14.5%13.5%
Born outside the US5.9%8.7%13.9%
Median age40.739.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationGASTONIA, NC US11.4 km away
Rain in a year44 in
Snow in a year1 in

Average high and low by month

January52.7°F / 31.4°F3.84 in rain, 0.9 in snow
February57°F / 34.1°F3.27 in rain
March64.7°F / 40.4°F3.55 in rain
April73.8°F / 49.7°F3.51 in rain
May80.5°F / 58.3°F3.54 in rain
June87.3°F / 66.7°F4.29 in rain
July90.7°F / 70.2°F3.55 in rain
August89.2°F / 69.1°F4.55 in rain
September84°F / 63.3°F3.69 in rain
October74.3°F / 51°F3.39 in rain
November63.8°F / 40°F3.02 in rain
December55.6°F / 34.5°F3.75 in rain, 0.3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket14% of this ZIP code's area
Far from a supermarket55% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Gaston County Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability32more vulnerable than 32% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics43more vulnerable than 43% of US census tracts
Racial and ethnic minority status31more vulnerable than 31% of US census tracts
Housing type and transport24more vulnerable than 24% of US census tracts
Walkability5.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

28164 Stanley, NC7.4 km away
28101 Mc Adenville, NC7.4 km away
28012 Belmont, NC7.6 km away
28098 Lowell, NC7.9 km away
28214 Charlotte, NC7.9 km away
28032 Cramerton, NC9.3 km away
28054 Gastonia, NC11.6 km away
28006 Alexis, NC12.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Gaston County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area31.37 sq mi
Water area1.9 sq mi
Population density777 people per sq mi
Latitude, longitude35.3119, -81.0306

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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