Aberdeen Proving Ground ZIP Code List — Harford County, MD

There is one unique ZIP code in Aberdeen Proving Ground, Maryland and it is 21005. Area code: 667/443.

ZIP codes

33.35

sq mi land

1.03

sq mi water

667/443

area code

Aberdeen Proving Ground, MD ZIP code map

About Aberdeen Proving Ground, MD

Aberdeen Proving Ground, located in Maryland, is a unique city known primarily for its military installation. It is part of Harford County and offers a diverse landscape that combines both civilian life and military activities. This city is home to a tight-knit community that is both welcoming and engaged.

Location & geography

Aberdeen Proving Ground spans a total land area of 33.35 square miles, with an additional 1.03 square miles of water. It is situated near several other cities, including Aberdeen, which is just about 5 miles to the north, Bel Air at approximately 10 miles to the west, Edgewood about 6 miles to the south, and Havre de Grace close to 13 miles to the northeast. The geography features a mix of urban developments and open spaces, enhancing the area's natural beauty.

Community & economy

The character of Aberdeen Proving Ground is largely influenced by its military presence, fostering a strong sense of patriotism and community spirit. The local industries predominantly revolve around defense and research, given the presence of the U.S. Army. Daily life here is characterized by a blend of military and civilian social activities, with a number of events that promote community integration.

Transportation

Aberdeen Proving Ground is accessible via major highways, including Interstate 95, which connects the city to larger metropolitan areas. The nearest major airport is Baltimore/Washington International Airport, located roughly 30 miles southwest of the city, providing convenient travel options. Public transportation services are also available, catering to both residents and visitors.

History

Aberdeen Proving Ground was established in the early 20th century and has since played a vital role in U.S. military operations and research. The facility has been integral to the development of various defense technologies and munitions. Over the decades, it has also been a site for numerous important military events and training exercises.

Did you know?

One surprising fact about Aberdeen Proving Ground is that it contains the U.S. Army's oldest ordnance museum, showcasing the evolution of military equipment. Additionally, the area's rich history is complemented by beautiful natural landscapes, making it appealing for both residents and visitors.

ZIP codes for Aberdeen Proving Ground, MD (1)

ZIP code	City	County	Map
21005	Aberdeen Proving Ground	Harford	View map

Demographics & statistics

2,703

Population

30.0

Median age

$118,750

Median household income

$41,243

Per capita income

Median home value

$1,854

Median monthly rent

1.3%

Home ownership

1.9%

Poverty rate

6.3%

Unemployment

164

Housing units

51.9%

Bachelor's or higher

Age distribution

Male Female

106

Under 5

107

103

5–9

104

126

10–14

128

167

15–19

169

20–24

233

25–34

238

203

35–44

207

130

45–54

133

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	863	31.9%
18 and over	1,840	68.1%
65 and over	101	3.7%
Median age	30.0 years

Race & ethnicity

White 43.2%

Black or African American 38.4%

Two or more races 8.4%

Hispanic or Latino 6.6%

Other race 2.5%

Asian 0.6%

American Indian / Alaska Native 0.3%

Group	Count	%
White	1,251	43.2%
Black or African American	1,111	38.4%
Two or more races	243	8.4%
Hispanic or Latino	191	6.6%
Other race	71	2.5%
Asian	17	0.6%
American Indian / Alaska Native	10	0.3%

Household income

Under $10k 1.9%

$15k–$25k 0.7%

$25k–$35k 6.2%

$35k–$50k 6.5%

$50k–$75k 12.0%

$75k–$100k 10.4%

$100k–$150k 31.7%

$150k–$200k 17.6%

$200k+ 12.9%

Range	% of households
Under $10k	1.9%
$15k–$25k	0.7%
$25k–$35k	6.2%
$35k–$50k	6.5%
$50k–$75k	12.0%
$75k–$100k	10.4%
$100k–$150k	31.7%
$150k–$200k	17.6%
$200k+	12.9%
Median income	$118,750

Housing

Home values

$300k–$500k 100.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$1,854
Owner occupied	1.3%
Renter occupied	98.7%
Vacant	15.5%
Single-family detached	6.7%
Large apartment buildings	12.8%
Mobile homes	0.0%
Median rooms	6.1
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	0.0%
2010–2019	5.0%
2000–2009	11.6%
1990–1999	8.2%
1980–1989	28.2%
1970–1979	15.9%
1960–1969	21.5%
1950–1959	2.9%
1940–1949	3.3%
1939 or earlier	3.4%

Bedrooms

Size	% of units
No bedroom (studio)	6.5%
1 bedroom	6.4%
2 bedrooms	20.4%
3 bedrooms	40.2%
4 bedrooms	25.0%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	38.1%
2 vehicles	42.3%
3 or more	19.5%

Heating fuel

Fuel type	%
Utility gas	11.6%
Electricity	83.3%
Fuel oil	0.8%
Solar	2.6%

Households & families

Household type	Count	%
Married-couple family	425	51.0%
Cohabiting couple	49	5.9%
Male householder, no spouse	228	27.3%
Female householder, no spouse	132	15.8%
Households with children under 18	359	43.0%
Households with seniors (65+)	87	10.4%
Average household size	3.12

Marital status

Status	Male	Female
Never married	39.7%	37.6%
Married	46.3%	43.4%
Separated	3.2%	3.5%
Widowed	0.7%	1.6%
Divorced	10.2%	13.9%

Education

Less than 9th grade 0.9%

Some HS, no diploma 4.1%

HS graduate 11.2%

Some college, no degree 24.7%

Associate's degree 7.2%

Bachelor's degree 32.6%

Graduate / professional 19.4%

Metric	%
HS diploma or higher	95.0%
Bachelor's or higher	51.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	81	8.2%
Kindergarten	32	3.2%
Elementary school	361	36.6%
High school	219	22.2%
College / grad school	294	29.8%

Employment

Industry of employment

Public administration 32.0%

Education & healthcare 20.5%

Professional & management 16.3%

Arts, food & hospitality 8.2%

Transportation & utilities 5.9%

Retail trade 5.5%

Finance & real estate 4.3%

Manufacturing 3.0%

Construction 2.6%

Wholesale trade 1.6%

Occupation

Category	%
Management, business & arts	47.8%
Service	15.8%
Sales & office	22.0%
Natural resources & construction	4.0%
Production & transportation	10.4%

Employment type

Type	%
Private sector	55.2%
Government	44.8%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.8%
Carpool	1.5%
Public transit	0.0%
Walk	6.9%
Other means	2.9%
Avg commute (minutes)	15.9

Poverty

All people 1.9%

Under 18 years 1.5%

18 and over 2.1%

Married-couple families 0.0%

Female-led households 26.9%

Income support

Source	% of households
Social Security	7.2%
Retirement income	24.6%
Supplemental Security	0.0%
Cash public assistance	5.6%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	17.9%
High cholesterol	15.4%
Heart disease	1.5%
Stroke	0.9%
Asthma	9.3%
Arthritis	7.4%
Kidney disease	1.0%
Pulmonary disease	2.4%
Cancer	1.4%

Behavior / access	%
Binge drinking	22.8%
No physical activity	17.0%
Less than 7 hrs sleep	33.6%
Fair or poor health	8.1%
Poor mental health	16.1%
Poor physical health	5.2%
No health insurance	12.8%
Visited doctor (checkup)	69.9%
Visited dentist	60.8%
Cholesterol screening	80.8%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	495	31.4%

Disability	%
Any disability	8.4%
Under 18	7.1%
18–64 years	6.8%
65 and over	43.6%

Health insurance coverage

Type	%
Private insurance	92.6%
Public insurance	18.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,490	92.1%
Spanish	112	4.5%
Other Indo-European	88	3.5%
Asian & Pacific Islander	10	0.4%
Other languages	14	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,599	96.2%
Born in same state	2,342	86.6%
Born in different state	583	21.6%
Foreign born	257	9.5%
Naturalized citizen	104	3.8%
Not a US citizen	78	75.0%

Ancestry

Ancestry	Count	%
Italian	246	9.1%
Arab	246	9.1%
French	157	5.8%
English	21	0.8%

Ancestry	Count	%
Dutch	11	0.4%
German	7	0.3%
Norwegian	6	0.2%

Technology access

Metric	% of households
Computer access	30.9%
Internet access	98.8%

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

Frequently asked questions

What is the ZIP code for Aberdeen Proving Ground, MD?

Aberdeen Proving Ground, MD has one ZIP code: 21005.

What is the main ZIP code for Aberdeen Proving Ground, MD?

The primary ZIP code for Aberdeen Proving Ground, MD is 21005. The city uses area code 667 or 443 for phone service.

What county is Aberdeen Proving Ground, MD in?

Aberdeen Proving Ground is located in Harford County, Maryland.

How many ZIP codes are in Aberdeen Proving Ground, MD?

Aberdeen Proving Ground, MD has 1 ZIP code.

What is the ZIP code for Aberdeen Proving Ground's main military installation and administrative area?

Aberdeen Proving Ground's primary ZIP code is 21005, which covers the main military facility and surrounding areas within this unincorporated community in Harford County.

What ZIP code should I use for mailing correspondence to businesses and facilities located at Aberdeen Proving Ground?

All correspondence to Aberdeen Proving Ground should be addressed using ZIP code 21005, as it is the sole ZIP code serving this military community in Maryland.