Rosedale ZIP Codes — Baltimore County, MD

There is one unique ZIP code in Rosedale, Maryland and it is 21237. Area code: 410/443.

ZIP codes

11.25

sq mi land

0.24

sq mi water

410/443

area code

Rosedale, MD ZIP code map

About Rosedale, MD

Rosedale, Maryland, combines suburban charm with easy access to urban amenities. Nestled in Baltimore County, this community offers a unique blend of residential neighborhoods and commercial establishments. With its proximity to Baltimore city, Rosedale serves as a convenient hub for those who work in the city while enjoying a suburban lifestyle.

Location & geography

Rosedale is located in the northeastern part of Baltimore County, Maryland. Nearby cities include Baltimore, which is approximately 10 miles to the southwest, Towson at about 8 miles to the northwest, and Dundalk roughly 5 miles to the south. The area encompasses a total land area of 22.51 square miles with an additional 0.49 square miles of water, featuring a mix of natural landscapes and developed areas.

Community & economy

The character of Rosedale is marked by its diverse population and friendly atmosphere, making it a welcoming place for families and individuals alike. Industries in the area include retail, healthcare, and service sectors, which provide a variety of employment opportunities for residents. Daily life in Rosedale reflects a suburban culture with local parks, shopping centers, and schools contributing to the community's vibrant environment.

Transportation

Rosedale is well-connected by major highways, including Interstate 95 and Maryland Route 40, facilitating easy travel to and from Baltimore and surrounding areas. The nearest airport is Baltimore/Washington International Thurgood Marshall Airport, located approximately 15 miles away, providing additional connectivity. Public transportation options are available through local bus services, enhancing accessibility within the region.

History

Rosedale was founded in the late 1800s and has evolved into a thriving suburb over the decades. Key industries historically included agriculture and manufacturing, contributing to its development and growth. Notable events in the area's history include its transformation into a residential community post-World War II, which greatly increased its population and economic activity.

Did you know?

One surprising fact about Rosedale is its rich variety of local cuisines, reflecting the community's diverse cultural heritage. Additionally, the area has several parks and recreational facilities that enhance the quality of life for its residents.

ZIP codes for Rosedale, MD (1)

ZIP code	City	County	Map
21237	Rosedale	Baltimore	View map

Demographics & statistics

30,983

Population

40.5

Median age

$84,118

Median household income

$40,463

Per capita income

$268,400

Median home value

$1,396

Median monthly rent

64.2%

Home ownership

9.0%

Poverty rate

5.4%

Unemployment

8,736

Housing units

27.6%

Bachelor's or higher

Age distribution

Male Female

853

Under 5

918

667

5–9

717

753

10–14

811

611

15–19

657

1,021

20–24

1,100

2,322

25–34

2,499

2,138

35–44

2,302

1,905

45–54

2,050

971

55–59

1,045

1,124

60–64

1,210

1,603

65–74

1,725

599

75–84

645

355

85+

382

← Male

Female →

Age summary

Group	Count	%
Under 18	5,524	17.8%
18 and over	25,459	82.2%
65 and over	5,309	17.1%
Median age	40.5 years

Race & ethnicity

White 42.2%

Black or African American 36.5%

Asian 8.1%

Hispanic or Latino 5%

Two or more races 4.7%

Other race 2.7%

Native Hawaiian / Pacific Islander 0.4%

American Indian / Alaska Native 0.3%

Group	Count	%
White	13,767	42.2%
Black or African American	11,904	36.5%
Asian	2,630	8.1%
Hispanic or Latino	1,616	5%
Two or more races	1,541	4.7%
Other race	895	2.7%
Native Hawaiian / Pacific Islander	132	0.4%
American Indian / Alaska Native	114	0.3%

Household income

Under $10k 5.4%

$10k–$15k 1.5%

$15k–$25k 6.6%

$25k–$35k 4.5%

$35k–$50k 8.9%

$50k–$75k 17.5%

$75k–$100k 14.0%

$100k–$150k 22.9%

$150k–$200k 10.8%

$200k+ 7.8%

Range	% of households
Under $10k	5.4%
$10k–$15k	1.5%
$15k–$25k	6.6%
$25k–$35k	4.5%
$35k–$50k	8.9%
$50k–$75k	17.5%
$75k–$100k	14.0%
$100k–$150k	22.9%
$150k–$200k	10.8%
$200k+	7.8%
Median income	$84,118

Housing

Home values

Under $50k 4.6%

$50k–$100k 1.2%

$100k–$150k 3.4%

$150k–$200k 11.6%

$200k–$300k 45.2%

$300k–$500k 27.9%

$500k–$1M 4.5%

$1M+ 1.6%

Housing overview

Metric	Value
Median home value	$268,400
Median rent / month	$1,396
Owner occupied	64.2%
Renter occupied	35.8%
Vacant	7.5%
Single-family detached	50.9%
Large apartment buildings	5.1%
Mobile homes	0.6%
Median rooms	6.1
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.8%
2010–2019	3.8%
2000–2009	11.0%
1990–1999	16.8%
1980–1989	14.6%
1970–1979	17.1%
1960–1969	12.7%
1950–1959	17.3%
1940–1949	2.2%
1939 or earlier	3.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	15.2%
2 bedrooms	25.7%
3 bedrooms	38.4%
4 bedrooms	16.7%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	6.6%
1 vehicle	35.9%
2 vehicles	37.0%
3 or more	20.5%

Heating fuel

Fuel type	%
Utility gas	56.2%
Electricity	36.8%
Propane / LP gas	1.8%
Fuel oil	4.5%
Wood	0.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	5,024	41.6%
Cohabiting couple	668	5.5%
Male householder, no spouse	2,347	19.4%
Female householder, no spouse	4,034	33.4%
Households with children under 18	3,475	28.8%
Households with seniors (65+)	3,852	31.9%
Average household size	2.53

Marital status

Status	Male	Female
Never married	37.9%	36.7%
Married	44.4%	42.2%
Separated	1.1%	1.1%
Widowed	5.6%	9.6%
Divorced	11.1%	10.3%

Education

Less than 9th grade 3.8%

Some HS, no diploma 5.2%

HS graduate 29.7%

Some college, no degree 24.3%

Associate's degree 9.4%

Bachelor's degree 16.6%

Graduate / professional 11.0%

Metric	%
HS diploma or higher	91.1%
Bachelor's or higher	27.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	437	6.6%
Kindergarten	261	3.9%
Elementary school	2,276	34.4%
High school	1,209	18.3%
College / grad school	2,425	36.7%

Employment

Industry of employment

Education & healthcare 28.6%

Retail trade 12.3%

Professional & management 11.7%

Transportation & utilities 9.8%

Public administration 7.6%

Construction 7.2%

Other services 6.8%

Manufacturing 5.7%

Finance & real estate 4.0%

Arts, food & hospitality 3.3%

Information 1.7%

Wholesale trade 1.5%

Occupation

Category	%
Management, business & arts	39.3%
Service	17.0%
Sales & office	20.9%
Natural resources & construction	8.8%
Production & transportation	14.0%

Employment type

Type	%
Private sector	79.0%
Government	16.7%
Self-employed	4.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	73.0%
Carpool	9.1%
Public transit	2.8%
Walk	3.1%
Other means	2.8%
Avg commute (minutes)	27.7

Poverty

All people 9.0%

Under 18 years 9.3%

18 and over 8.9%

Married-couple families 3.6%

Female-led households 8.7%

Income support

Source	% of households
Social Security	31.0%
Retirement income	26.3%
Supplemental Security	4.5%
Cash public assistance	4.9%
Food stamps / SNAP	12.4%

Health indicators

Condition	%
High blood pressure	33.1%
High cholesterol	31.7%
Heart disease	5.3%
Stroke	2.7%
Asthma	9.9%
Arthritis	23.4%
Kidney disease	2.6%
Pulmonary disease	5.4%
Cancer	6.3%

Behavior / access	%
Binge drinking	15.1%
No physical activity	23.0%
Less than 7 hrs sleep	33.7%
Fair or poor health	12.7%
Poor mental health	14.8%
Poor physical health	8.2%
No health insurance	11.5%
Visited doctor (checkup)	76.1%
Visited dentist	63.7%
Cholesterol screening	91.8%
Teeth loss	11.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,854	7.3%

Disability	%
Any disability	12.9%
Under 18	4.5%
18–64 years	11.8%
65 and over	26.2%

Health insurance coverage

Type	%
Private insurance	71.7%
Public insurance	37.6%
Uninsured under 19	7.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	29,212	94.3%
Spanish	2,216	7.6%
Other Indo-European	584	2.0%
Asian & Pacific Islander	853	2.9%
Other languages	382	1.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	25,327	81.7%
Born in same state	24,880	80.3%
Born in different state	19,455	62.8%
Foreign born	447	1.4%
Naturalized citizen	5,656	18.3%
Not a US citizen	3,473	61.4%

Ancestry

Ancestry	Count	%
Italian	2,871	9.3%
Arab	1,223	3.9%
French	1,121	3.6%
English	202	0.7%

Ancestry	Count	%
Irish	55	0.2%
Polish	33	0.1%
Norwegian	31	0.1%
German	13	0%

Technology access

Metric	% of households
Computer access	39.0%
Internet access	94.8%

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

Frequently asked questions

What ZIP codes does Rosedale, MD have?

Rosedale, MD has one ZIP code: 21237. Each ZIP code serves a distinct delivery area within the city and surrounding region.