Brunswick ZIP Codes — Frederick County, MD

There is one unique ZIP code in Brunswick, Maryland and it is 21716. Area code: 301/240.

ZIP codes

2.73

sq mi land

0.30

sq mi water

301/240

area code

Brunswick, MD ZIP code map

About Brunswick, MD

Brunswick, Maryland, is a charming city located in Frederick County. Known for its rich history and vibrant community, Brunswick boasts a distinctive small-town atmosphere. This delightful area offers a range of local attractions and outdoor activities, making it an appealing destination for both residents and visitors alike.

Location & geography

Brunswick is positioned in the western part of Maryland and serves as a gateway to the scenic regions of nearby mountains and rivers. This charming city is surrounded by notable towns such as Harpers Ferry, West Virginia, approximately 10 miles away, and Frederick, Maryland, around 18 miles to the southeast. The city itself encompasses a land area of 2.73 square miles and has a water area of 0.30 square miles, enhancing its natural beauty.

Community & economy

Brunswick's community is characterized by its strong sense of togetherness and pride in local heritage. The economy is primarily driven by industries such as healthcare, retail, and education, making it a diverse economic hub within Frederick County. Daily life in Brunswick is enriched by community events, parks, and local dining options that showcase the area's culture and camaraderie.

Transportation

Major highways, including U.S. Route 340, provide convenient access to Brunswick, connecting residents to surrounding areas. The nearest named airport is Washington Dulles International Airport, located approximately 35 miles to the east, which offers domestic and international flights. Public transportation options also exist, making it easier to commute to nearby cities.

History

Brunswick was founded in the mid-19th century, and its development was significantly influenced by the arrival of the railroad. The city's history is marked by its role in the Civil War, serving as a transportation hub for troops and supplies. Over the years, Brunswick has evolved into a vibrant community while maintaining its rich historical roots.

Did you know?

One surprising fact about Brunswick is its role in the construction of the historic Chesapeake and Ohio Canal, which significantly contributed to the area's economy. Additionally, Brunswick boasts a scenic waterfront along the Potomac River, offering beautiful recreational opportunities for residents and visitors.

ZIP codes for Brunswick, MD (1)

ZIP code	City	County	Map
21716	Brunswick	Frederick	View map

Demographics & statistics

6,630

Population

36.6

Median age

$100,043

Median household income

$46,167

Per capita income

$289,500

Median home value

$1,039

Median monthly rent

81.7%

Home ownership

6.6%

Poverty rate

5.3%

Unemployment

2,289

Housing units

31.8%

Bachelor's or higher

Age distribution

Male Female

181

Under 5

183

200

5–9

202

196

10–14

198

285

15–19

288

169

20–24

172

539

25–34

546

429

35–44

434

518

45–54

525

210

55–59

212

210

60–64

212

238

65–74

241

75–84

100

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,548	23.3%
18 and over	5,082	76.7%
65 and over	721	10.9%
Median age	36.6 years

Race & ethnicity

White 67.3%

Two or more races 12.5%

Black or African American 10.4%

Hispanic or Latino 7.1%

Asian 1.8%

Other race 0.8%

American Indian / Alaska Native 0.2%

Group	Count	%
White	4,800	67.3%
Two or more races	889	12.5%
Black or African American	743	10.4%
Hispanic or Latino	504	7.1%
Asian	127	1.8%
Other race	56	0.8%
American Indian / Alaska Native	15	0.2%

Household income

Under $10k 8.3%

$10k–$15k 0.7%

$15k–$25k 1.5%

$25k–$35k 3.8%

$35k–$50k 12.0%

$50k–$75k 11.1%

$75k–$100k 12.6%

$100k–$150k 23.6%

$150k–$200k 13.3%

$200k+ 13.1%

Range	% of households
Under $10k	8.3%
$10k–$15k	0.7%
$15k–$25k	1.5%
$25k–$35k	3.8%
$35k–$50k	12.0%
$50k–$75k	11.1%
$75k–$100k	12.6%
$100k–$150k	23.6%
$150k–$200k	13.3%
$200k+	13.1%
Median income	$100,043

Housing

Home values

Under $50k 1.6%

$50k–$100k 0.7%

$100k–$150k 3.3%

$150k–$200k 11.4%

$200k–$300k 36.9%

$300k–$500k 29.1%

$500k–$1M 17.0%

Housing overview

Metric	Value
Median home value	$289,500
Median rent / month	$1,039
Owner occupied	81.7%
Renter occupied	18.3%
Vacant	4.1%
Single-family detached	68.1%
Large apartment buildings	2.6%
Mobile homes	0.4%
Median rooms	6.6
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	1.3%
2010–2019	22.4%
2000–2009	6.0%
1990–1999	8.6%
1980–1989	9.1%
1970–1979	14.5%
1960–1969	3.9%
1950–1959	3.4%
1940–1949	2.0%
1939 or earlier	28.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	3.8%
2 bedrooms	10.2%
3 bedrooms	52.7%
4 bedrooms	29.4%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	4.0%
1 vehicle	35.9%
2 vehicles	35.1%
3 or more	25.0%

Heating fuel

Fuel type	%
Utility gas	20.6%
Electricity	63.3%
Propane / LP gas	0.3%
Fuel oil	14.4%
Wood	0.7%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	1,331	49.9%
Cohabiting couple	224	8.4%
Male householder, no spouse	430	16.1%
Female householder, no spouse	680	25.5%
Households with children under 18	840	31.5%
Households with seniors (65+)	493	18.5%
Average household size	2.49

Marital status

Status	Male	Female
Never married	35.3%	30.7%
Married	51.7%	50.1%
Separated	1.7%	1.7%
Widowed	2.8%	3.6%
Divorced	8.5%	13.9%

Education

Less than 9th grade 2.0%

Some HS, no diploma 5.4%

HS graduate 30.5%

Some college, no degree 22.2%

Associate's degree 8.1%

Bachelor's degree 18.7%

Graduate / professional 13.1%

Metric	%
HS diploma or higher	92.7%
Bachelor's or higher	31.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	58	3.6%
Kindergarten	127	8.0%
Elementary school	555	34.8%
High school	604	37.9%
College / grad school	250	15.7%

Employment

Industry of employment

Professional & management 19.1%

Education & healthcare 16.3%

Retail trade 11.0%

Finance & real estate 10.1%

Construction 7.9%

Public administration 7.5%

Manufacturing 7.2%

Wholesale trade 6.4%

Other services 5.2%

Transportation & utilities 3.8%

Arts, food & hospitality 3.7%

Information 1.4%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	42.0%
Service	14.5%
Sales & office	20.4%
Natural resources & construction	11.5%
Production & transportation	11.6%

Employment type

Type	%
Private sector	80.0%
Government	16.2%
Self-employed	3.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.2%
Carpool	10.7%
Public transit	2.9%
Walk	2.0%
Other means	0.9%
Avg commute (minutes)	39.6

Poverty

All people 6.6%

Under 18 years 6.2%

18 and over 6.8%

Married-couple families 1.7%

Female-led households 19.1%

Income support

Source	% of households
Social Security	19.5%
Retirement income	18.9%
Supplemental Security	6.8%
Cash public assistance	2.3%
Food stamps / SNAP	12.0%

Health indicators

Condition	%
High blood pressure	32.0%
High cholesterol	33.9%
Heart disease	5.6%
Stroke	2.7%
Asthma	10.3%
Arthritis	23.3%
Kidney disease	2.6%
Pulmonary disease	6.4%
Cancer	6.2%

Behavior / access	%
Binge drinking	17.0%
No physical activity	21.9%
Less than 7 hrs sleep	32.8%
Fair or poor health	12.3%
Poor mental health	15.2%
Poor physical health	9.0%
No health insurance	10.4%
Visited doctor (checkup)	74.5%
Visited dentist	64.5%
Cholesterol screening	90.7%
Teeth loss	11.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	457	9.0%

Disability	%
Any disability	12.1%
Under 18	6.8%
18–64 years	9.4%
65 and over	39.5%

Health insurance coverage

Type	%
Private insurance	81.5%
Public insurance	26.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,266	94.5%
Spanish	91	1.5%
Other Indo-European	76	1.2%
Asian & Pacific Islander	0	0.0%
Other languages	15	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,101	92.0%
Born in same state	6,004	90.6%
Born in different state	3,302	49.8%
Foreign born	97	1.5%
Naturalized citizen	529	8.0%
Not a US citizen	375	70.9%

Ancestry

Ancestry	Count	%
French	880	13.3%
Italian	638	9.6%
Arab	398	6%
English	44	0.7%

Ancestry	Count	%
Polish	36	0.5%
German	20	0.3%
Dutch	19	0.3%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	94.3%

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

Frequently asked questions

What ZIP codes does Brunswick, MD have?

Brunswick, MD has one ZIP code: 21716. Each ZIP code serves a distinct delivery area within the city and surrounding region.