Reisterstown ZIP Codes — Baltimore County, MD

There is one unique ZIP code in Reisterstown, Maryland and it is 21136. Area code: 443/410.

ZIP codes

56.20

sq mi land

1.65

sq mi water

443/410

area code

Reisterstown, MD ZIP code map

About Reisterstown, MD

Reisterstown, Maryland, is a charming community located in Baltimore County. Known for its rich history and vibrant local culture, it offers a unique blend of suburban comfort and historical significance. The town's quaint atmosphere is complemented by various amenities, making it a desirable place to live and visit.

Location & geography

Reisterstown is situated in northern Maryland, approximately 20 miles northwest of downtown Baltimore. It shares borders with several neighboring cities, including Owings Mills, which is about 5 miles to the southeast, and Pikesville, located roughly 8 miles to the south. The town encompasses a land area of 112.40 square miles, with an additional 3.29 square miles covered by water, adding to its scenic beauty.

Community & economy

The character of Reisterstown reflects its strong sense of community and historical roots, with many residents actively engaged in local events and organizations. The economy of the area is diverse, featuring industries such as retail, healthcare, and small businesses that cater to the daily needs of its residents. Daily life in Reisterstown is characterized by a mix of suburban tranquility and a variety of recreational opportunities, making it an attractive destination for families.

Transportation

Reisterstown is accessible via major highways, including Interstate 795, which connects to the Baltimore Beltway and facilitates travel to nearby areas. The nearest airport is Baltimore/Washington International Thurgood Marshall Airport, located about 30 miles to the southeast. Public transportation options are also available, providing connectivity to neighboring regions.

History

Founded in the early 18th century, Reisterstown has a rich historical backdrop tied to its development as a stop on the Philadelphia-Baltimore Road. The town played a pivotal role during the Civil War, serving as a vital supply route for Union soldiers. Its growth was further bolstered by key industries such as milling and agriculture in its early years.

Did you know?

One surprising fact about Reisterstown is that it was once home to the Reisterstown Historic District, which features buildings dating back to the 1700s. Additionally, the town's annual Reisterstown Festival showcases local culture and draws visitors from nearby communities.

ZIP codes for Reisterstown, MD (1)

ZIP code	City	County	Map
21136	Reisterstown	Baltimore	View map

Demographics & statistics

35,038

Population

43.5

Median age

$105,300

Median household income

$55,461

Per capita income

$375,400

Median home value

$1,469

Median monthly rent

78.1%

Home ownership

8.8%

Poverty rate

6.6%

Unemployment

11,378

Housing units

52.1%

Bachelor's or higher

Age distribution

Male Female

749

Under 5

828

1,089

5–9

1,204

769

10–14

850

1,422

15–19

1,573

785

20–24

868

1,887

25–34

2,088

2,103

35–44

2,326

2,316

45–54

2,561

1,355

55–59

1,499

1,212

60–64

1,340

1,785

65–74

1,975

837

75–84

926

328

85+

363

← Male

Female →

Age summary

Group	Count	%
Under 18	7,220	20.6%
18 and over	27,818	79.4%
65 and over	6,214	17.7%
Median age	43.5 years

Race & ethnicity

White 53.9%

Black or African American 26.4%

Asian 7.5%

Two or more races 5.6%

Hispanic or Latino 3.8%

Other race 2.6%

American Indian / Alaska Native 0.2%

Group	Count	%
White	19,616	53.9%
Black or African American	9,626	26.4%
Asian	2,729	7.5%
Two or more races	2,055	5.6%
Hispanic or Latino	1,371	3.8%
Other race	943	2.6%
American Indian / Alaska Native	69	0.2%

Household income

Under $10k 4.6%

$10k–$15k 3.1%

$15k–$25k 4.6%

$25k–$35k 4.6%

$35k–$50k 7.7%

$50k–$75k 13.1%

$75k–$100k 10.1%

$100k–$150k 18.6%

$150k–$200k 14.0%

$200k+ 19.6%

Range	% of households
Under $10k	4.6%
$10k–$15k	3.1%
$15k–$25k	4.6%
$25k–$35k	4.6%
$35k–$50k	7.7%
$50k–$75k	13.1%
$75k–$100k	10.1%
$100k–$150k	18.6%
$150k–$200k	14.0%
$200k+	19.6%
Median income	$105,300

Housing

Home values

Under $50k 1.9%

$50k–$100k 1.5%

$100k–$150k 3.1%

$150k–$200k 2.5%

$200k–$300k 24.6%

$300k–$500k 37.7%

$500k–$1M 24.8%

$1M+ 3.9%

Housing overview

Metric	Value
Median home value	$375,400
Median rent / month	$1,469
Owner occupied	78.1%
Renter occupied	21.9%
Vacant	4.4%
Single-family detached	61.7%
Large apartment buildings	5.0%
Mobile homes	0.0%
Median rooms	6.9
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.1%
2010–2019	6.4%
2000–2009	12.7%
1990–1999	18.5%
1980–1989	14.8%
1970–1979	15.5%
1960–1969	15.1%
1950–1959	8.9%
1940–1949	2.6%
1939 or earlier	5.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	8.2%
2 bedrooms	16.7%
3 bedrooms	36.1%
4 bedrooms	27.2%
5+ bedrooms	11.2%

Vehicles per household

Vehicles	% of households
No vehicle	6.0%
1 vehicle	29.1%
2 vehicles	41.5%
3 or more	23.4%

Heating fuel

Fuel type	%
Utility gas	51.0%
Electricity	34.4%
Propane / LP gas	3.8%
Fuel oil	9.9%
Wood	0.5%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	6,975	50.7%
Cohabiting couple	841	6.1%
Male householder, no spouse	1,489	10.8%
Female householder, no spouse	4,447	32.3%
Households with children under 18	4,071	29.6%
Households with seniors (65+)	4,493	32.7%
Average household size	2.52

Marital status

Status	Male	Female
Never married	33.9%	32.4%
Married	54.6%	43.5%
Separated	1.2%	2.5%
Widowed	4.0%	8.1%
Divorced	6.3%	13.6%

Education

Less than 9th grade 2.9%

Some HS, no diploma 3.2%

HS graduate 17.7%

Some college, no degree 16.6%

Associate's degree 7.5%

Bachelor's degree 28.4%

Graduate / professional 23.7%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	52.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	405	4.9%
Kindergarten	406	4.9%
Elementary school	3,241	39.2%
High school	2,287	27.6%
College / grad school	1,939	23.4%

Employment

Industry of employment

Education & healthcare 27.8%

Professional & management 14.5%

Finance & real estate 10.1%

Retail trade 7.7%

Manufacturing 7.5%

Arts, food & hospitality 7.5%

Public administration 7.5%

Other services 5.2%

Construction 5.1%

Transportation & utilities 3.3%

Information 1.7%

Wholesale trade 1.3%

Agriculture & mining 0.9%

Occupation

Category	%
Management, business & arts	55.7%
Service	12.4%
Sales & office	19.4%
Natural resources & construction	4.5%
Production & transportation	8.0%

Employment type

Type	%
Private sector	75.9%
Government	18.5%
Self-employed	5.3%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	73.1%
Carpool	8.5%
Public transit	2.5%
Walk	0.3%
Other means	1.5%
Avg commute (minutes)	31.9

Poverty

All people 8.8%

Under 18 years 12.9%

18 and over 7.7%

Married-couple families 4.7%

Female-led households 9.8%

Income support

Source	% of households
Social Security	31.8%
Retirement income	21.8%
Supplemental Security	6.0%
Cash public assistance	3.0%
Food stamps / SNAP	11.3%

Health indicators

Condition	%
High blood pressure	32.5%
High cholesterol	32.7%
Heart disease	5.0%
Stroke	2.5%
Asthma	9.8%
Arthritis	23.6%
Kidney disease	2.5%
Pulmonary disease	5.0%
Cancer	6.5%

Behavior / access	%
Binge drinking	15.2%
No physical activity	20.4%
Less than 7 hrs sleep	31.9%
Fair or poor health	11.5%
Poor mental health	14.0%
Poor physical health	7.8%
No health insurance	9.5%
Visited doctor (checkup)	76.5%
Visited dentist	67.6%
Cholesterol screening	93.0%
Teeth loss	9.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,649	5.9%

Disability	%
Any disability	11.3%
Under 18	5.3%
18–64 years	8.7%
65 and over	27.4%

Health insurance coverage

Type	%
Private insurance	77.1%
Public insurance	34.6%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	33,461	95.5%
Spanish	1,825	5.5%
Other Indo-European	199	0.6%
Asian & Pacific Islander	1,409	4.2%
Other languages	207	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,717	84.8%
Born in same state	29,386	83.9%
Born in different state	20,456	58.4%
Foreign born	331	0.9%
Naturalized citizen	5,321	15.2%
Not a US citizen	4,054	76.2%

Ancestry

Ancestry	Count	%
Italian	3,249	9.3%
Arab	2,824	8.1%
French	2,446	7%
Dutch	192	0.5%

Ancestry	Count	%
Polish	109	0.3%
Irish	107	0.3%
English	86	0.2%
Norwegian	67	0.2%

Technology access

Metric	% of households
Computer access	39.2%
Internet access	95.6%

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

Frequently asked questions

What ZIP codes does Reisterstown, MD have?

Reisterstown, MD has one ZIP code: 21136. Each ZIP code serves a distinct delivery area within the city and surrounding region.