PlainZIP

Windsor Mill, MD · standard

ZIP Code 21244

Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

34,611
996/sq mi
$85,114
Median income
$282,600
Median home value
35.2%
Bachelor's or higher

The verdict

Windsor Mill pairs an above-median household income with above-median home values, in a low-density, mixed-tenure area.

Top 32%
household income, US ZIPs
Top 36%
home value, US ZIPs
996
people per sq mi
49%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21244 against every reporting US ZIP.

ZIP code 21244 is a densely settled ZIP (a standard USPS delivery area) in Windsor Mill, Baltimore County, Maryland, with 34,611 residents across 34.8 square miles, a density of 996 people per square mile, in the New York time zone.

ZIP 21244 lands in the middle-income range, with a median household income of $85,114 (25% below the Maryland average), while per-capita income is $37,916. The poverty rate stands at 7.8% and the unemployment rate at 6.3%. Housing costs here run $282,600 for a typical home value (37% below the state average), with rent averaging $1,622 a month; 49.0% of homes are owner-occupied.

A solid share of residents have a four-year degree: 35.2% of adults hold a bachelor's degree or higher, the median age is 36, and the average commute is 30 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 21244, plus 6 more within Baltimore County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 21244

Top 5 sectors by establishment count in Windsor Mill, MD

Which industries have the most business establishments in ZIP 21244.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21244, Windsor Mill, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

34,611

Population

34.8

Area (sq mi)

996

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21244?

36.0

Median Age

44.9%

Male

55.1%

Female

15.6%

Foreign-Born

White 11.2%
African American 72.3%
Asian 5.9%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 4.8%
Hispanic or Latino 9.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$85,114

Median Household Income

-25% vs state

$37,916

Per Capita Income

7.8%

Poverty Rate

6.3%

Unemployment Rate

30.0 min

Mean Commute Time

How ZIP 21244 ranks nationally

Windsor Mill, MD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$85,114 Top 32% higher than 68% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 60.9%
Bachelor's Degree or Higher 35.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

14,868

Total Housing Units

14,157

Occupied Units

711

Vacant Units

2.68

Avg Household Size

Occupancy Type

Owner 49.0%
Renter 51.0%

$282,600

Median Home Value

-37% vs state

$1,622

Median Rent

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+6.7%

YoY Change (2024)

279

HPI Index (2000 = 100)

+179%

Total Change Since 2000

Home values in ZIP 21244 have increased 6.7% over the past year (2024). Since 2000, this ZIP has seen +179% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.8% 191
2021 +12.8% 216
2022 +12.9% 244
2023 +7.2% 261
2024 +6.7% 279

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 678 business establishments in ZIP 21244, employing approximately 11,385 people with a combined annual payroll of $832,800,000.

678

Businesses

11,385

Employees

$832.8M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 143 21.1%
Retail trade 105 15.5%
Professional, scientific, and technical services 72 10.6%
Accommodation and food services 68 10.0%
Other services (except public administration) 64 9.4%
Construction 31 4.6%
Wholesale trade 31 4.6%
Administrative and support and waste management and remediation services 27 4.0%
Real estate and rental and leasing 22 3.2%
Transportation and warehousing 21 3.1%
Finance and insurance 21 3.1%
Manufacturing 17 2.5%
Information 15 2.2%
Utilities 12 1.8%
Educational services 12 1.8%
Management of companies and enterprises 11 1.6%
Arts, entertainment, and recreation 4 0.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 21244 vs 21207 →

ZIP 21244 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 21244 ranks #7 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21244 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 21244 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
21207 Gwynn Oak, MD 48,133 3.3 mi
21133 Randallstown, MD 29,998 3.4 mi
21163 Woodstock, MD 7,026 4.1 mi
21043 Ellicott City, MD 42,246 5.3 mi
21228 Catonsville, MD 47,577 4.5 mi
21117 Owings Mills, MD 53,778 6.5 mi
21208 Pikesville, MD 33,917 4.7 mi
21215 Baltimore, MD 60,161 5.2 mi
21216 Baltimore, MD 32,071 6.0 mi
21229 Baltimore, MD 45,213 5.8 mi

More ZIP Codes in Baltimore County

21234 standard
Parkville, MD
Pop: 69,752
21222 standard
Dundalk, MD
Pop: 55,786
21117 standard
Owings Mills, MD
Pop: 53,778
21207 standard
Gwynn Oak, MD
Pop: 48,133
21228 standard
Catonsville, MD
Pop: 47,577
21221 standard
Essex, MD
Pop: 42,154

Related Areas

Baltimore County Windsor Mill, MD Maryland

Frequently Asked Questions

What county is ZIP code 21244 in? ▼
ZIP code 21244 (Windsor Mill) is located in Baltimore County, Maryland. Baltimore County contains multiple ZIP codes, see the full list at /counties/baltimore-md-24005.
What is the population of ZIP code 21244? ▼
ZIP code 21244 in Windsor Mill, MD has a population of 34,611 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21244? ▼
The median household income in ZIP 21244 is $85,114, which is 12% above the national average of $76,288.
What is the average home value in ZIP 21244? ▼
The median home value in ZIP 21244 is $282,600, which is 2% above the national average of $278,155.
What is the demographic makeup of ZIP 21244? ▼
The largest racial group in ZIP 21244 is African American at 72.3%. Hispanic or Latino residents make up 9.1% of the population.
How many businesses are in ZIP code 21244? ▼
ZIP code 21244 has 678 business establishments employing approximately 11,385 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21244? ▼
The top industries by establishment count in ZIP 21244 are: Health care and social assistance (143), Retail trade (105), Professional, scientific, and technical services (72). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 21244? ▼
According to the FHFA House Price Index, home values in ZIP 21244 increased by 6.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 179%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21244? ▼
In ZIP code 21244, 60.9% of residents aged 25+ have a high school diploma or higher, and 35.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21244? ▼
The mean commute time for workers in ZIP code 21244 is 30.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21244? ▼
In ZIP code 21244, approximately 49.0% of occupied housing units are owner-occupied and 51.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21244? ▼
The poverty rate in ZIP code 21244 is 7.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.