Gunpowder ZIP Codes — Harford County, MD

There is one unique ZIP code in Gunpowder, Maryland and it is 21010. Area code: 667.
1
ZIP codes
7.25
sq mi land
0.05
sq mi water
667
area code
Gunpowder, MD ZIP code map

About Gunpowder, MD

Gunpowder is a charming community located in Maryland. Nestled within Harford County, this small yet vibrant area offers a mix of natural beauty and suburban living. Residents enjoy a peaceful lifestyle surrounded by picturesque landscapes and local amenities.

Location & geography

Gunpowder is positioned in northeastern Maryland, providing easy access to several larger urban areas. It is approximately 10 miles from the city of Bel Air and about 20 miles from Baltimore, making it a convenient location for commuters. The town covers a total land area of 14.51 square miles, with a small water area of 0.11 square miles, featuring a mix of wooded terrain and open spaces.

Community & economy

The character of Gunpowder is marked by its friendly, close-knit community where residents enjoy a quiet, rural lifestyle. The local economy is primarily supported by service industries, retail, and small businesses, which contribute to the town's charm. Daily life in Gunpowder revolves around community events, outdoor activities, and the natural surroundings that residents cherish.

Transportation

Gunpowder is served by several major highways, providing residents with easy access to surrounding areas. The nearest airport is Baltimore/Washington International Thurgood Marshall Airport, located approximately 30 miles southwest. Public transit options are limited, but local roads facilitate convenient car travel for commuting.

History

Gunpowder was established in a time when the area was primarily rural and agricultural, contributing to the growth of Harford County. Key industries during its development included farming and local trade, which laid the foundation for the community's formation. Over the years, Gunpowder has expanded and adapted, but it retains its historical charm and connection to the past.

Did you know?

A little-known fact about Gunpowder is that it takes its name from the Gunpowder River, which is nearby and adds to the area's natural beauty. This river is also significant for local wildlife and recreational activities, making it a focal point for outdoor enthusiasts.

ZIP codes for Gunpowder, MD (1)
ZIP code City County Map
21010 Gunpowder Harford View map

Demographics & statistics

216
Population
18.0
Median age
$91,667
Median household income
$28,703
Per capita income
$0
Median home value
$2,711
Median monthly rent
0.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
59
Housing units
78.3%
Bachelor's or higher

Age distribution

Male Female
45
10–14
24
42
15–19
22
29
35–44
15
13
45–54
7
5
60–64
3
4
65–74
2
3
75–84
2
← Male
Female →

Age summary

GroupCount%
Under 1810950.5%
18 and over10749.5%
65 and over115.1%
Median age18.0 years

Race & ethnicity

White 84.6%
Hispanic or Latino 7.7%
Other race 7.7%
GroupCount%
White19884.6%
Hispanic or Latino187.7%
Other race187.7%

Household income

$75k–$100k 70.0%
$100k–$150k 16.7%
$150k–$200k 13.3%
Range% of households
$75k–$100k70.0%
$100k–$150k16.7%
$150k–$200k13.3%
Median income$91,667

Housing

Home values

Housing overview

MetricValue
Median home value$0
Median rent / month$2,711
Owner occupied0.0%
Renter occupied100.0%
Vacant49.6%
Single-family detached52.9%
Large apartment buildings24.4%
Mobile homes0.0%
Median rooms7.3
Avg household size (owned)0.00

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19990.0%
1980–19898.4%
1970–19795.0%
1960–196919.3%
1950–19596.7%
1940–19497.6%
1939 or earlier52.9%

Bedrooms

Size% of units
No bedroom (studio)22.7%
1 bedroom10.1%
2 bedrooms5.0%
3 bedrooms25.2%
4 bedrooms6.7%
5+ bedrooms30.3%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle30.0%
2 vehicles60.0%
3 or more10.0%

Heating fuel

Fuel type%
Utility gas70.0%
Electricity30.0%

Households & families

Household typeCount%
Married-couple family4270.0%
Cohabiting couple00.0%
Male householder, no spouse813.3%
Female householder, no spouse1016.7%
Households with children under 183660.0%
Households with seniors (65+)610.0%
Average household size3.60

Marital status

StatusMaleFemale
Never married32.9%56.8%
Married67.1%43.2%
Separated0.0%0.0%
Widowed0.0%0.0%
Divorced0.0%0.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 0.0%
Some college, no degree 0.0%
Associate's degree 21.7%
Bachelor's degree 0.0%
Graduate / professional 78.3%
Metric%
HS diploma or higher100.0%
Bachelor's or higher78.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school00.0%
High school00.0%
College / grad school18100.0%

Employment

Industry of employment

Public administration 100.0%

Occupation

Category%
Management, business & arts0.0%
Service0.0%
Sales & office100.0%
Natural resources & construction0.0%
Production & transportation0.0%

Employment type

Type%
Private sector0.0%
Government100.0%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.5%
Carpool0.0%
Public transit0.0%
Walk0.0%
Other means0.0%
Avg commute (minutes)0.0

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security10.0%
Retirement income10.0%
Supplemental Security10.0%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
High blood pressure30.2%
High cholesterol27.9%
Heart disease3.5%
Stroke1.9%
Asthma9.8%
Arthritis18.0%
Kidney disease2.0%
Pulmonary disease4.7%
Cancer3.8%
Behavior / access%
Binge drinking17.4%
No physical activity21.2%
Less than 7 hrs sleep36.3%
Fair or poor health11.6%
Poor mental health15.0%
Poor physical health8.2%
No health insurance10.4%
Visited doctor (checkup)74.7%
Visited dentist61.9%
Cholesterol screening90.7%
Teeth loss7.3%

Veterans & disability

VeteransCount%
Civilian veterans3640.4%
Disability%
Any disability12.1%
Under 180.0%
18–64 years30.8%
65 and over0.0%

Health insurance coverage

Type%
Private insurance94.4%
Public insurance5.6%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only216100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)19891.7%
Born in same state19891.7%
Born in different state136.0%
Foreign born00.0%
Naturalized citizen188.3%
Not a US citizen18100.0%

Ancestry

AncestryCount%
English83.7%
Italian73.2%
AncestryCount%
French62.8%

Technology access

Metric% of households
Computer access27.8%
Internet access100.0%

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

Frequently asked questions
What ZIP codes does Gunpowder, MD have?
Gunpowder, MD has one ZIP code: 21010. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Maryland ZIP code database? Download all MD ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →