Mount Holly, Baltimore City, MD demographics:
population, income, and more

Total population
1,076
7.7% year-over-year change
Median household income
$42,031/yr
-9.5% year-over-year change
Housing units
570
-0.2% year-over-year change

Mount Holly population

How many people live in Mount Holly

Mount Holly is home to 1,076 residents, according to the most recent Census data. Gender-wise, 42.5% of Mount Holly locals are male, and 57.5% are female.

Total population
1,076
7.7% year-over-year change
Gender ratio
Male
42.5%
457
Female
57.5%
619
Value Percent YoY change
Male 457 42.5% 5.1%
Female 619 57.5% 9.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Mount Holly is 35, with the population distributed as follows: about 23% are children under 15, then 11.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.4% of the population, while another 21.9% fall into the 45 to 64 bracket. Finally, around 16.3% are 65 or older.

Median age
34.7
Age breakdown
Under 15
23%
15 to 24
11.3%
25 to 44
27.4%
45 to 64
21.9%
Over 65
16.3%
Value Percent YoY change
Under 15 248 23% 29.2%
15 to 24 122 11.3% 11.9%
25 to 44 295 27.4% 0.7%
45 to 64 236 21.9% -0.4%
Over 65 175 16.3% 4.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Mount Holly, 96.6% of the population are US-born citizens, while 2.4% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 2.9% of locals are Caucasian, 90.8% are African American and 0.2% have Asian roots. Another 0.1% are Indigenous American, 0.2% are Pacific Islanders, while 2.3% identify as another race. There’s also a share of 3.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.6%
Non-U.S.-born citizens
2.4%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 1,040 96.6% 7.4%
Non-U.S.-born citizens 26 2.4% 13.0%
Non-citizens 11 1% 57.1%
Racial breakdown
White
2.9%
Black or African American
90.8%
American Indian and Alaska Native
0.1%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0.2%
Two or more races
3.5%
Other
2.3%
Value Percent
White 31 2.9%
Black or African American 978 90.8%
American Indian and Alaska Native 1 0.1%
Asian 2 0.2%
Native Hawaiian and other Pacific Islander 2 0.2%
Two or more races 38 3.5%
Other 25 2.3%

Households in Mount Holly

A peek inside Mount Holly households

Mount Holly has 450 households, with an average of 2 members in each. Of these, 49.3% are families, while the remaining 50.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
450
5.4% year-over-year change
Average people per household
2
Non-family households
228
Family households
222
Value Percent YoY change
Non-family households 228 50.7% -1.7%
Family households 222 49.3% 14.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Mount Holly

The housing landscape of Mount Holly

Mount Holly's housing consists of 570 units, with 12.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 60.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1% of the housing landscape.

Housing units
570
-0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 71 12.4%
1 unit, attached 345 60.4%
2 units 25 4.4%
3 or 4 units 42 7.4%
5 to 9 units 40 7%
10 to 19 units 19 3.3%
20 to 49 units 10 1.8%
50 or more units 13 2.3%
Mobile home 6 1%
Homes built since 2020
0
% year-over-year change

The age of buildings in Mount Holly

In Mount Holly, the median construction year is 1938. About 53.3% of homes were built before the 1940s, with another 10% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 304 53.3% -5.6%
Built between 1940 and 1949 57 10% 16.3%
Built between 1950 and 1959 75 13.2% 2.7%
Built between 1960 and 1969 40 7% -4.8%
Built between 1970 and 1979 21 3.7% -8.7%
Built between 1980 and 1989 28 4.9% 33.3%
Built between 1990 and 1999 16 2.8% 0.0%
Built between 2000 and 2009 13 2.3% 30.0%
Built between 2010 and 2019 16 2.8% -5.9%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Mount Holly occupancy rates

Out of the 450 occupied housing units in Mount Holly, 50.2% are owner-occupied, while 49.8% are lived in by tenants. Meanwhile, 21.1% of all homes on the local market sit vacant.

Occupied housing units
450
5.4% year-over-year change
Occupancy breakdown
Renter occupied
224
Owner occupied
226
Value Percent YoY
change
Renter occupied 224 49.8% -1.3%
Owner occupied 226 50.2% 13.0%
Unoccupied housing units
21.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Mount Holly housing costs

Housing costs in Mount Holly come to a median of $1,154 per month, while tenants specifically pay a median gross rent of $1,176.

Median housing costs per month
$1,154/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Mount Holly
$1,176/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Mount Holly

Mount Holly education at a glance

About 49% of the population in Mount Holly went to high school, while 26.5% pursued college studies. Another 4.9% earned an associate degree and 9.4% hold a bachelor’s. Meanwhile, 6.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 28 3.6% 0.0%
High school diploma 387 49% -1.5%
College diploma 209 26.5% 1.5%
Associate degree 39 4.9% 14.7%
Bachelor's degree 74 9.4% 12.1%
Graduate degree 52 6.6% 6.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Mount Holly

How much people earn in Mount Holly

The average annual household income in Mount Holly was $58,962 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.1% change from the previous year. At the same time, the median income stood at $42,031, reflecting a -9.5% shift over the same period.

Average household income in Mount Holly
$58,962/year
-0.1% year-over-year change
Median household income in Mount Holly
$42,031/year
-9.5% year-over-year change

Mount Holly income by age

In Mount Holly, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $42,328. Those with someone between 45 and 64 in charge, often well established professionally, earn $48,225 overall. Overall, 72.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $42,328 -4.1%
45 - 64 $48,225 -4.3%
Over 65 $38,617 1.2%
Above poverty level
748
Below poverty level
278
Value Percent YoY
change
Above poverty level 748 72.9% 4.3%
Below poverty level 278 27.1% 16.8%

Employment in Mount Holly

Workforce and job types in Mount Holly

77.5% of the working population are employed in professional or administrative positions, while 22.5% are in hands-on or service-based jobs. Also, 3.2% run their own businesses, 58.4% are employed by private companies, and 26.5% work in the public sector.

Workforce demographics

White collar
290
Blue collar
84
Value Percent YoY change
White collar 290 77.5% -0.7%
Blue collar 84 22.5% 2.4%
Employer type
Self employees
3.2%
Private companies
58.4%
Governmental workers
26.5%
Not for profit companies
11.8%
Value Percent YoY change
Self employees 12 3.2% 20.0%
Private companies 218 58.4% -0.9%
Governmental workers 99 26.5% 1.0%
Not for profit companies 44 11.8% -4.3%

Transportation in Mount Holly

How people get around in Mount Holly

In Mount Holly, the average commute time is 1 minutes. Commuting methods vary: 71.6% of residents travel by personal vehicle and 2.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
1 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 214 71.6% 1.9%
Taxicab 6 2% 100.0%
Bus or trolleybus 68 22.7% -10.5%
Railroad 4 1.3% 0.0%
Walk 7 2.3% 75.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Mount Holly by zipcode?

Zipcode Population Number of households Median income Average income
21216 29,426 12,307 $42,031 $58,962

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FAQs about Mount Holly demographics 

What is the total population of Mount Holly?

Mount Holly has a total population of 1,076 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +7.7% compared to a year ago.

What is the gender ratio in Mount Holly?

The gender ratio in Mount Holly is as follows:
  • 42.5% males (457 residents)
  • 57.5% females (619 residents)

What is the median age in Mount Holly?

The median age in Mount Holly is 34.7.

What is the age distribution of the population in Mount Holly?

The age distribution in Mount Holly is as follows:
  • Under 15: 23% (248 residents)
  • Ages 15-24: 11.3% (122 residents)
  • Ages 25-44: 27.4% (295 residents)
  • Ages 45-64: 21.9% (236 residents)
  • Over 65: 16.3% (175 residents)

What is the racial and ethnic makeup of Mount Holly?

The racial and ethnic makeup of Mount Holly is as follows:
  • White: 2.9% (31 residents)
  • Black or African American: 90.8% (978 residents)
  • American Indian and Alaska Native: 0.1% (1 residents)
  • Asian: 0.2% (2 residents)
  • Native Hawaiian and Other Pacific Islander: 0.2% (2 residents)
  • Two or More Races: 3.5% (38 residents)
  • Other: 2.3% (25 residents)

What percentage of the population in Mount Holly are U.S.-born citizens?

U.S.-born citizens represent 96.6% of the population in Mount Holly.

How many housing units are there in Mount Holly?

There are 570 housing units in Mount Holly, reflecting a -0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Mount Holly and what is the average household size?

Mount Holly has a total of 450 households, with an average of 2 people in each.

What is the median household income in Mount Holly?

Mount Holly has a median household income of $42,031, representing a -9.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Mount Holly?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 77.5% (290 residents)
  • Blue-collar workers: 22.5% (84 residents)

Places of employment:
  • Self-employed: 3.2% (12 residents)
  • Private companies: 58.4% (218 residents)
  • Governmental workers: 26.5% (99 residents)
  • Not-for-profit companies: 11.8% (44 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025