Aberdeen ZIP Code List — Harford County, MD

There is one unique ZIP code in Aberdeen, Maryland and it is 21001. Area code: 443/410/667.

ZIP codes

29.96

sq mi land

1.48

sq mi water

443/410/667

area code

Aberdeen, MD ZIP code map

About Aberdeen, MD

Aberdeen, Maryland, is a charming city located in Harford County. Known for its small-town atmosphere and rich history, it boasts a variety of community events and local attractions. Visitors and residents alike enjoy the blend of urban conveniences and serene landscapes that this city offers.

Location & geography

Aberdeen is strategically located near the Chesapeake Bay and is approximately 30 miles northeast of Baltimore. The city covers a total land area of 29.96 square miles, with an additional 1.48 square miles of water, providing a diverse terrain. Surrounding cities include Edgewood to the south (about 7 miles away), Bel Air to the northwest (around 12 miles), Havre de Grace to the northeast (approximately 8 miles), and Joppa to the southeast (about 9 miles).

Community & economy

The community in Aberdeen is characterized by its friendly residents and vibrant local businesses, creating a close-knit environment. The city has a diverse economy, with industries ranging from retail to manufacturing, contributing to its overall growth and stability. Daily life in Aberdeen blends suburban living with access to urban amenities, making it a desirable location for families and professionals alike.

Transportation

Aberdeen is conveniently accessible via major highways such as Interstate 95 which runs directly through the area, facilitating easy travel to nearby cities. The nearest airports are Baltimore/Washington International (BWI) Airport, approximately 35 miles to the southwest, and the Harford County Airport nearby. Public transportation is available, including bus services that connect residents to surrounding areas.

History

Founded in the early 1880s, Aberdeen quickly grew as a key rail hub for the surrounding agricultural region, which played a significant role in its development. Notably, the city was once home to the Aberdeen Proving Ground, a major testing facility for the U.S. Army, which has shaped its economy and infrastructure. These historical elements contribute to the city’s unique identity and appeal.

Did you know?

One surprising fact about Aberdeen is that it is home to the historic Independence Hall, which served as a meeting place during the Revolutionary War. Additionally, the city hosts the annual Aberdeen Festival of Arts, promoting local artists and community engagement.

ZIP codes for Aberdeen, MD (1)

ZIP code	City	County	Map
21001	Aberdeen	Harford	View map

Demographics & statistics

25,908

Population

35.8

Median age

$76,250

Median household income

$38,142

Per capita income

$251,600

Median home value

$1,332

Median monthly rent

66.5%

Home ownership

13.7%

Poverty rate

4.8%

Unemployment

7,536

Housing units

28.9%

Bachelor's or higher

Age distribution

Male Female

841

Under 5

898

715

5–9

764

860

10–14

918

710

15–19

759

817

20–24

872

2,174

25–34

2,322

1,396

35–44

1,491

1,465

45–54

1,565

726

55–59

775

887

60–64

947

1,249

65–74

1,334

464

75–84

495

224

85+

240

← Male

Female →

Age summary

Group	Count	%
Under 18	5,933	22.9%
18 and over	19,975	77.1%
65 and over	4,006	15.5%
Median age	35.8 years

Race & ethnicity

White 57.1%

Black or African American 22.4%

Two or more races 6.8%

Hispanic or Latino 6.6%

Other race 3.6%

Asian 3.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	15,840	57.1%
Black or African American	6,218	22.4%
Two or more races	1,890	6.8%
Hispanic or Latino	1,837	6.6%
Other race	997	3.6%
Asian	907	3.3%
American Indian / Alaska Native	56	0.2%

Household income

Under $10k 7.5%

$10k–$15k 2.2%

$15k–$25k 5.2%

$25k–$35k 8.1%

$35k–$50k 8.9%

$50k–$75k 17.3%

$75k–$100k 13.7%

$100k–$150k 20.7%

$150k–$200k 9.3%

$200k+ 7.2%

Range	% of households
Under $10k	7.5%
$10k–$15k	2.2%
$15k–$25k	5.2%
$25k–$35k	8.1%
$35k–$50k	8.9%
$50k–$75k	17.3%
$75k–$100k	13.7%
$100k–$150k	20.7%
$150k–$200k	9.3%
$200k+	7.2%
Median income	$76,250

Housing

Home values

Under $50k 7.5%

$50k–$100k 2.4%

$100k–$150k 7.5%

$150k–$200k 13.9%

$200k–$300k 35.5%

$300k–$500k 24.0%

$500k–$1M 7.2%

$1M+ 1.9%

Housing overview

Metric	Value
Median home value	$251,600
Median rent / month	$1,332
Owner occupied	66.5%
Renter occupied	33.5%
Vacant	4.9%
Single-family detached	55.9%
Large apartment buildings	6.3%
Mobile homes	5.5%
Median rooms	5.9
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	1.8%
2010–2019	11.7%
2000–2009	14.4%
1990–1999	9.4%
1980–1989	11.6%
1970–1979	10.4%
1960–1969	14.4%
1950–1959	12.2%
1940–1949	6.8%
1939 or earlier	7.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	8.9%
2 bedrooms	28.2%
3 bedrooms	41.4%
4 bedrooms	16.5%
5+ bedrooms	4.4%

Vehicles per household

Vehicles	% of households
No vehicle	7.7%
1 vehicle	35.0%
2 vehicles	35.2%
3 or more	22.1%

Heating fuel

Fuel type	%
Utility gas	44.1%
Electricity	36.7%
Propane / LP gas	4.8%
Fuel oil	11.0%
Wood	0.8%
Solar	0.2%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	4,740	45.1%
Cohabiting couple	668	6.4%
Male householder, no spouse	1,954	18.6%
Female householder, no spouse	3,154	30.0%
Households with children under 18	3,333	31.7%
Households with seniors (65+)	2,973	28.3%
Average household size	2.46

Marital status

Status	Male	Female
Never married	37.7%	33.3%
Married	49.2%	45.5%
Separated	1.5%	1.2%
Widowed	2.4%	9.1%
Divorced	9.1%	10.8%

Education

Less than 9th grade 2.6%

Some HS, no diploma 7.8%

HS graduate 28.6%

Some college, no degree 20.9%

Associate's degree 11.1%

Bachelor's degree 18.2%

Graduate / professional 10.8%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	28.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	392	6.4%
Kindergarten	342	5.6%
Elementary school	2,446	39.7%
High school	1,255	20.4%
College / grad school	1,724	28.0%

Employment

Industry of employment

Education & healthcare 17.7%

Professional & management 14.3%

Retail trade 13.6%

Public administration 12.9%

Construction 7.8%

Transportation & utilities 7.3%

Arts, food & hospitality 7.0%

Manufacturing 6.7%

Other services 5.4%

Finance & real estate 4.0%

Wholesale trade 2.0%

Information 0.9%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	39.7%
Service	13.7%
Sales & office	19.7%
Natural resources & construction	11.0%
Production & transportation	15.9%

Employment type

Type	%
Private sector	74.9%
Government	20.7%
Self-employed	4.4%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	77.5%
Carpool	10.2%
Public transit	1.5%
Walk	0.7%
Other means	1.1%
Avg commute (minutes)	29.2

Poverty

All people 13.7%

Under 18 years 22.0%

18 and over 11.2%

Married-couple families 2.3%

Female-led households 33.8%

Income support

Source	% of households
Social Security	30.5%
Retirement income	24.3%
Supplemental Security	5.4%
Cash public assistance	3.2%
Food stamps / SNAP	12.5%

Health indicators

Condition	%
High blood pressure	38.4%
High cholesterol	33.0%
Heart disease	6.4%
Stroke	3.4%
Asthma	10.9%
Arthritis	25.2%
Kidney disease	3.0%
Pulmonary disease	7.2%
Cancer	6.3%

Behavior / access	%
Binge drinking	14.0%
No physical activity	25.1%
Less than 7 hrs sleep	35.4%
Fair or poor health	15.4%
Poor mental health	15.2%
Poor physical health	10.2%
No health insurance	11.9%
Visited doctor (checkup)	78.8%
Visited dentist	60.3%
Cholesterol screening	90.8%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,346	11.9%

Disability	%
Any disability	14.7%
Under 18	6.4%
18–64 years	10.6%
65 and over	43.2%

Health insurance coverage

Type	%
Private insurance	71.1%
Public insurance	40.6%
Uninsured under 19	5.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,169	93.3%
Spanish	918	3.8%
Other Indo-European	352	1.5%
Asian & Pacific Islander	164	0.7%
Other languages	284	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	23,841	92.0%
Born in same state	23,153	89.4%
Born in different state	14,877	57.4%
Foreign born	688	2.7%
Naturalized citizen	2,067	8.0%
Not a US citizen	1,311	63.4%

Ancestry

Ancestry	Count	%
Italian	3,091	11.9%
French	2,133	8.2%
Arab	1,547	6%
Norwegian	115	0.4%
English	114	0.4%

Ancestry	Count	%
German	62	0.2%
Polish	58	0.2%
Irish	14	0.1%
Dutch	1	0%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	93.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Aberdeen, MD?

Aberdeen, MD has one ZIP code: 21001.

What is the main ZIP code for Aberdeen, MD?

The primary ZIP code for Aberdeen, MD is 21001. The city uses area code 443 or 410 or 667 for phone service.

What county is Aberdeen, MD in?

Aberdeen is located in Harford County, Maryland.

How many ZIP codes are in Aberdeen, MD?

Aberdeen, MD has 1 ZIP code.

What ZIP code covers the Aberdeen Proving Ground area and downtown Aberdeen?

The Aberdeen Proving Ground and downtown Aberdeen are located in ZIP code 21001, which is the primary ZIP code serving the city of Aberdeen, Maryland.

What is the ZIP code for businesses and residences near the Aberdeen Train Station on Philadelphia Road?

Addresses near the Aberdeen MARC Train Station on Philadelphia Road are serviced by ZIP code 21001, which covers the central business and residential areas of Aberdeen.