21244 ZIP Code — Windsor Mill, MD

Baltimore County, Maryland

ZIP code 21244 is located in Windsor Mill, Maryland, within Baltimore County. It covers approximately 14.14 square miles and serves a population of 39,501 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 410.

About ZIP code 21244

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $255,200. Owner-occupancy sits near the national average at 47%.

Median household income is $80,335.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

39,501
population
14.14
sq mi land
PO Box
ZIP type
Eastern (ET)
timezone
21244 ZIP code map
Cities in ZIP code 21244

Below are the cities the US Postal Service accepts for ZIP code 21244. Using any city not on this list may result in mail delivery delays.

City Status
Windsor Mill Acceptable
Windsor Mill Preferred
Nearby ZIP codes
21235 Baltimore (3.2 mi) 21133 Randallstown (3.3 mi) 21207 Gwynn Oak (3.8 mi) 21163 Woodstock (4 mi) 21208 Pikesville (4.6 mi) 21228 Catonsville (5 mi) 21043 Ellicott City (5.3 mi) 21215 Baltimore (5.4 mi) 21229 Baltimore (6.1 mi) 21216 Baltimore (6.1 mi) 21104 Marriottsville (6.5 mi) 21209 Baltimore (6.5 mi)
Demographics updated 05/2026
Population
Total population 39,501
Population density 2,794 / sq mi
State FIPS 24
County FIPS 005
Geography
Land area 14.14 sq mi
Water area 0.07 sq mi
Latitude 39.3335
Longitude -76.7844
Timezone Eastern (ET)
Area code 410
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 32.5% 31.4% 28.2%
$50k – $100k 38.4% 30.7% 28.2%
$100k – $200k 24.7% 28.5% 30.1%
Over $200k 4.4% 9.5% 13.4%

Demographics & statistics

39,501
Population
2,794
People per sq mi
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
70
85+
82
← Male
Female →

Age summary

GroupCount%
Under 1810,70327.1%
18 and over28,79872.9%
65 and over4,19710.6%
Median age34.8 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%
GroupCount%
Black or African American28,87769.9%
White4,66111.3%
Asian2,8877%
Hispanic or Latino1,8234.4%
Other race1,7234.2%
Two or more races9082.2%
Native Hawaiian / Pacific Islander4451.1%

Household income

Income range This ZIP County avg State avg
Under $50k 32.5% 31.4% 28.2%
$50k – $100k 38.4% 30.7% 28.2%
$100k – $200k 24.7% 28.5% 30.1%
Over $200k 4.4% 9.5% 13.4%
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 $10k4.2%
$10k–$15k1.5%
$15k–$25k3.7%
$25k–$35k4.5%
$35k–$50k13.3%
$50k–$75k20.3%
$75k–$100k18.6%
$100k–$150k20.2%
$150k–$200k8.2%
$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

MetricValue
Median home value$255,200
Median rent / month$1,488
Owner occupied47.4%
Renter occupied52.6%
Vacant4.6%
Single-family detached36.8%
Large apartment buildings5.1%
Mobile homes0.1%
Median rooms5.6
Avg household size (owned)2.75

Year built

Era%
2020 or later0.0%
2010–20194.5%
2000–200910.4%
1990–199918.6%
1980–198913.4%
1970–197916.9%
1960–196916.7%
1950–195912.3%
1940–19492.1%
1939 or earlier5.2%

Bedrooms

Size% of units
No bedroom (studio)3.7%
1 bedroom9.6%
2 bedrooms36.2%
3 bedrooms31.3%
4 bedrooms16.4%
5+ bedrooms2.8%

Vehicles per household

Vehicles% of households
No vehicle5.5%
1 vehicle45.3%
2 vehicles31.7%
3 or more17.5%

Heating fuel

Fuel type%
Utility gas52.0%
Electricity40.8%
Propane / LP gas1.8%
Fuel oil4.1%
Wood0.2%
Solar0.6%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family4,84734.4%
Cohabiting couple8806.2%
Male householder, no spouse2,37216.8%
Female householder, no spouse6,00542.6%
Households with children under 185,20936.9%
Households with seniors (65+)3,25323.1%
Average household size2.78

Marital status

StatusMaleFemale
Never married45.9%45.1%
Married41.8%32.4%
Separated1.1%2.8%
Widowed3.5%4.8%
Divorced7.7%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 higher88.7%
Bachelor's or higher35.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool5084.2%
Kindergarten6025.0%
Elementary school4,84440.4%
High school2,41520.1%
College / grad school3,61730.2%

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 & arts41.3%
Service20.0%
Sales & office19.9%
Natural resources & construction6.5%
Production & transportation12.3%

Employment type

Type%
Private sector77.1%
Government20.0%
Self-employed2.6%
Unpaid family workers0.4%

Commute

Method%
Drive alone72.4%
Carpool7.6%
Public transit4.7%
Walk1.2%
Work from home10.1%
Other means4.1%
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 Security21.0%
Retirement income22.4%
Supplemental Security4.8%
Cash public assistance2.0%
Food stamps / SNAP14.3%

Health indicators

Condition%
Obesity37.8%
High blood pressure37.2%
High cholesterol27.9%
Diabetes10.7%
Heart disease4.2%
Stroke3.0%
Asthma11.3%
Arthritis21.6%
Kidney disease2.6%
Pulmonary disease4.3%
Cancer4.7%
Behavior / access%
Smoking15.6%
Binge drinking13.1%
No physical activity25.3%
Less than 7 hrs sleep39.9%
Depression16.6%
Fair or poor health14.5%
Poor mental health15.4%
Poor physical health8.2%
No health insurance12.5%
Visited doctor (checkup)79.6%
Visited dentist59.6%
Cholesterol screening92.6%
Teeth loss12.9%

Veterans & disability

VeteransCount%
Civilian veterans1,5125.3%
Disability%
Any disability9.6%
Under 185.8%
18–64 years8.4%
65 and over26.2%

Health insurance coverage

Type%
Private insurance66.4%
Public insurance36.0%
No insurance8.7%
Uninsured under 196.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only36,73993.0%
Spanish2,5787.0%
Other Indo-European1,0492.9%
Asian & Pacific Islander1,0032.7%
Other languages350.1%

Place of birth & citizenship

OriginCount%
Native born (US)32,42982.1%
Born in same state31,34379.3%
Born in different state24,57962.2%
Foreign born1,0862.7%
Naturalized citizen7,07217.9%
Not a US citizen3,26046.1%

Ancestry

AncestryCount%
Arab1,0782.7%
Italian4421.1%
French3250.8%
English680.2%
Norwegian190%
AncestryCount%
Irish90%
German40%
Polish30%
Dutch10%

Technology access

Metric% of households
Computer access35.7%
Internet access95.9%

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

Frequently asked questions about ZIP code 21244

What city is ZIP code 21244 in?

ZIP code 21244 is primarily assigned to Windsor Mill, Maryland.

What county is ZIP code 21244 in?

ZIP code 21244 falls within Baltimore County, Maryland.

What is the population of ZIP code 21244?

ZIP code 21244 has an estimated population of 39,501 residents, with a density of 2,794 people per square mile.

What is the median household income in ZIP code 21244?

The median household income in ZIP code 21244 is $80,335, above the national median of ~$75,000.

What is the typical home value in ZIP code 21244?

The median home value in ZIP code 21244 is $255,200.

What timezone is ZIP code 21244 in?

ZIP code 21244 observes the EST timezone.

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