Windsor Mill ZIP Codes — Baltimore County, MD

There is one unique ZIP code in Windsor Mill, Maryland and it is 21244. Area code: 410.

ZIP codes

14.14

sq mi land

0.07

sq mi water

410

area code

Windsor Mill, MD ZIP code map

About Windsor Mill, MD

Windsor Mill is a charming community located in Baltimore County, Maryland. Nestled in the heart of the state, it offers a blend of suburban living and urban conveniences. Known for its welcoming atmosphere and vibrant community spirit, Windsor Mill is a place where residents enjoy a high quality of life.

Location & geography

Windsor Mill is situated approximately 13 miles northwest of downtown Baltimore, making it an accessible spot for both commuters and visitors. The city is bordered by several other towns, including Pikesville to the east and Catonsville to the south, providing a diverse backdrop. Covering a land area of 28.27 square miles, Windsor Mill also features a small water area of 0.14 square miles, showcasing a mix of lush parks and developed suburbs.

Community & economy

The character of Windsor Mill is defined by its friendly neighborhoods and active community organizations. The local economy is supported by various industries, including retail and services, which contribute to a vibrant shopping scene. Daily life in Windsor Mill is characterized by a blend of community events, recreational activities, and family-oriented amenities that foster a strong sense of belonging.

Transportation

Windsor Mill is conveniently accessible via major highways, including Interstate 695, which encircles Baltimore and connects residents to the greater Maryland area. The nearest named airports are Baltimore/Washington International Thurgood Marshall Airport, located about 15 miles to the southeast, and Martin State Airport roughly 20 miles to the east. Public transportation options are available, offering bus services that link Windsor Mill to surrounding areas.

History

Windsor Mill has a rich history that dates back to its founding in the 18th century, originally established as a small milling community. Over the years, the area transitioned from agriculture to suburban development, with significant growth occurring in the latter half of the 20th century. Notable events include the establishment of various parks and community centers that reflect the area's commitment to quality living and recreation.

Did you know?

One surprising fact about Windsor Mill is that it is home to the historic and scenic Liberty Reservoir, which offers outdoor recreational opportunities. Additionally, the community prides itself on its diverse cultural heritage, which is celebrated through various local events and festivals.

ZIP codes for Windsor Mill, MD (1)

ZIP code	City	County	Map
21244	Windsor Mill	Baltimore	View map

Demographics & statistics

39,501

Population

34.8

Median age

$80,335

Median household income

$34,479

Per capita income

$255,200

Median home value

$1,488

Median monthly rent

47.4%

Home ownership

9.3%

Poverty rate

6.3%

Unemployment

7,366

Housing units

35.2%

Bachelor's or higher

Age distribution

Male Female

1,274

Under 5

1,488

1,434

5–9

1,676

1,379

10–14

1,611

1,211

15–19

1,415

1,109

20–24

1,295

2,812

25–34

3,285

2,525

35–44

2,950

2,382

45–54

2,783

1,122

55–59

1,311

1,034

60–64

1,208

1,302

65–74

1,521

564

75–84

658

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	10,703	27.1%
18 and over	28,798	72.9%
65 and over	4,197	10.6%
Median age	34.8 years

Race & ethnicity

Black or African American 69.9%

White 11.3%

Asian 7%

Hispanic or Latino 4.4%

Other race 4.2%

Two or more races 2.2%

Native Hawaiian / Pacific Islander 1.1%

Group	Count	%
Black or African American	28,877	69.9%
White	4,661	11.3%
Asian	2,887	7%
Hispanic or Latino	1,823	4.4%
Other race	1,723	4.2%
Two or more races	908	2.2%
Native Hawaiian / Pacific Islander	445	1.1%

Household income

Under $10k 4.2%

$10k–$15k 1.5%

$15k–$25k 3.7%

$25k–$35k 4.5%

$35k–$50k 13.3%

$50k–$75k 20.3%

$75k–$100k 18.6%

$100k–$150k 20.2%

$150k–$200k 8.2%

$200k+ 5.6%

Range	% of households
Under $10k	4.2%
$10k–$15k	1.5%
$15k–$25k	3.7%
$25k–$35k	4.5%
$35k–$50k	13.3%
$50k–$75k	20.3%
$75k–$100k	18.6%
$100k–$150k	20.2%
$150k–$200k	8.2%
$200k+	5.6%
Median income	$80,335

Housing

Home values

Under $50k 3.4%

$50k–$100k 1.2%

$100k–$150k 6.2%

$150k–$200k 12.4%

$200k–$300k 45.1%

$300k–$500k 27.3%

$500k–$1M 4.4%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$255,200
Median rent / month	$1,488
Owner occupied	47.4%
Renter occupied	52.6%
Vacant	4.6%
Single-family detached	36.8%
Large apartment buildings	5.1%
Mobile homes	0.1%
Median rooms	5.6
Avg household size (owned)	2.75

Year built

Era	%
2020 or later	0.0%
2010–2019	4.5%
2000–2009	10.4%
1990–1999	18.6%
1980–1989	13.4%
1970–1979	16.9%
1960–1969	16.7%
1950–1959	12.3%
1940–1949	2.1%
1939 or earlier	5.2%

Bedrooms

Size	% of units
No bedroom (studio)	3.7%
1 bedroom	9.6%
2 bedrooms	36.2%
3 bedrooms	31.3%
4 bedrooms	16.4%
5+ bedrooms	2.8%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	45.3%
2 vehicles	31.7%
3 or more	17.5%

Heating fuel

Fuel type	%
Utility gas	52.0%
Electricity	40.8%
Propane / LP gas	1.8%
Fuel oil	4.1%
Wood	0.2%
Solar	0.6%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	4,847	34.4%
Cohabiting couple	880	6.2%
Male householder, no spouse	2,372	16.8%
Female householder, no spouse	6,005	42.6%
Households with children under 18	5,209	36.9%
Households with seniors (65+)	3,253	23.1%
Average household size	2.78

Marital status

Status	Male	Female
Never married	45.9%	45.1%
Married	41.8%	32.4%
Separated	1.1%	2.8%
Widowed	3.5%	4.8%
Divorced	7.7%	14.9%

Education

Less than 9th grade 4.1%

Some HS, no diploma 7.2%

HS graduate 24.1%

Some college, no degree 20.5%

Associate's degree 8.9%

Bachelor's degree 21.9%

Graduate / professional 13.4%

Metric	%
HS diploma or higher	88.7%
Bachelor's or higher	35.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	508	4.2%
Kindergarten	602	5.0%
Elementary school	4,844	40.4%
High school	2,415	20.1%
College / grad school	3,617	30.2%

Employment

Industry of employment

Education & healthcare 31.4%

Retail trade 12.6%

Public administration 9.4%

Arts, food & hospitality 8.4%

Professional & management 8.3%

Transportation & utilities 7.5%

Finance & real estate 6.0%

Manufacturing 4.9%

Other services 4.0%

Construction 3.8%

Information 1.7%

Wholesale trade 1.5%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	41.3%
Service	20.0%
Sales & office	19.9%
Natural resources & construction	6.5%
Production & transportation	12.3%

Employment type

Type	%
Private sector	77.1%
Government	20.0%
Self-employed	2.6%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	72.4%
Carpool	7.6%
Public transit	4.7%
Walk	1.2%
Other means	4.1%
Avg commute (minutes)	29.8

Poverty

All people 9.3%

Under 18 years 11.9%

18 and over 8.4%

Married-couple families 5.9%

Female-led households 9.6%

Income support

Source	% of households
Social Security	21.0%
Retirement income	22.4%
Supplemental Security	4.8%
Cash public assistance	2.0%
Food stamps / SNAP	14.3%

Health indicators

Condition	%
High blood pressure	37.2%
High cholesterol	27.9%
Heart disease	4.2%
Stroke	3.0%
Asthma	11.3%
Arthritis	21.6%
Kidney disease	2.6%
Pulmonary disease	4.3%
Cancer	4.7%

Behavior / access	%
Binge drinking	13.1%
No physical activity	25.3%
Less than 7 hrs sleep	39.9%
Fair or poor health	14.5%
Poor mental health	15.4%
Poor physical health	8.2%
No health insurance	12.5%
Visited doctor (checkup)	79.6%
Visited dentist	59.6%
Cholesterol screening	92.6%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,512	5.3%

Disability	%
Any disability	9.6%
Under 18	5.8%
18–64 years	8.4%
65 and over	26.2%

Health insurance coverage

Type	%
Private insurance	66.4%
Public insurance	36.0%
Uninsured under 19	6.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	36,739	93.0%
Spanish	2,578	7.0%
Other Indo-European	1,049	2.9%
Asian & Pacific Islander	1,003	2.7%
Other languages	35	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	32,429	82.1%
Born in same state	31,343	79.3%
Born in different state	24,579	62.2%
Foreign born	1,086	2.7%
Naturalized citizen	7,072	17.9%
Not a US citizen	3,260	46.1%

Ancestry

Ancestry	Count	%
Arab	1,078	2.7%
Italian	442	1.1%
French	325	0.8%
English	68	0.2%
Norwegian	19	0%

Ancestry	Count	%
Irish	9	0%
German	4	0%
Polish	3	0%
Dutch	1	0%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	95.9%

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

Frequently asked questions

What ZIP codes does Windsor Mill, MD have?

Windsor Mill, MD has one ZIP code: 21244. Each ZIP code serves a distinct delivery area within the city and surrounding region.