Residential delivery area · Maryland
ZIP Code 21244: Windsor Mill, MD
ZIP code 21244 uses the postal name Windsor Mill, Maryland and lies entirely in Baltimore County (Census 2020 ZIP-county file). About 38,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $85,114 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Milford Mill (44%) and Woodlawn (17%), and 5% in smaller places; 34% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Windsor Mill · its only residential ZIP
- County
- Baltimore County
- Census places
- Milford Mill (44%) census-designated place; Woodlawn (17%) census-designated place
- Metro area
- Baltimore-Columbia-Towson, MD
- House districts
- MD-2 (76%), MD-7 (24%) 119th Congress, by share of land
- State
- Maryland
- Time zone
- Eastern
- Land area
- 14.1 sq mi · 2,703 people per sq mi
Where is ZIP code 21244?
21244 centers on 39.335°, -76.777° and covers 14.1 square miles of land plus 0.1 of water. It borders 7 ZIP codes: 21207, 21133, 21163, 21208, 21228, 21043, 21042.
The map draws ZIP code areas only. For the streets inside 21244, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 21244 compare with the rest of Baltimore County?
| Measure | 21244 | In Baltimore County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 38,208 | 15th of 57 | 52nd of 477 |
| Median household income | $85k | 32nd of 42 | 219th of 293 |
| Median home value | $283k | 38th of 45 | 272nd of 320 |
Its median household income is higher than in 68% of U.S. residential ZIP codes, and it is denser than 87% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 21244?
The 2020 Census counted 38,015 people in 21244; the ACS, which samples households over 2020-2024, estimates 38,208. Between the 2010 and 2020 censuses its population grew 9.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,208
- 2020 Census count
- 38,015+9.8% since 2010 (34,611)
- Households
- 14,157
- Median age
- 36.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 21244?
Of the 38,208 people the ACS estimates in 21244, 26.1% are under 18 and 11.6% are 65 or older. The largest group by race and Hispanic origin is Black (not Hispanic) (71.8%), then White (not Hispanic) (10.0%).
- Under 1826.1%
- 18 to 6462.3%
- 65 and older11.6%
- Black, not Hispanic71.8%
- White, not Hispanic10.0%
- Hispanic or Latino9.1%
- Asian, not Hispanic5.8%
- Other or two or more3.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 21244 earn?
Median household income is $85,114 (ACS 2020-2024), the 32nd highest of the 42 ranked ZIP codes in Baltimore County. It is not measurably different from 2015-2019 ($84,146 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $85,114±$9,140
- Income per person
- $37,916
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 6.3%
- Adults 25+ with a bachelor's degree
- 35.2%
- Adjusted gross income per tax return, 2022
- $57,53818,240 returns; wages 81% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 21244?
FHFA's house price index for 21244, built from repeat sales and appraisals of the same homes, rose 77% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +3.8% in 2025.
- Median home value (owners' estimate)
- $282,600
- Median gross rent
- $1,622
- Homes owned by their occupants
- 49.0%
- Housing units
- 14,868
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 21244?
678 business establishments had a location in this ZIP code in 2023, 42 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance143
- Retail trade105
- Professional, scientific, and technical services72
- Accommodation and food services68
- Other services (except public administration)64
- Construction31
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 21244?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21207 | Gwynn Oak | 47,099 | $67k | 3.1 mi |
| 21133 | Randallstown | 31,398 | $81k | 3.5 mi |
| 21163 | Woodstock | 7,539 | $135k | 3.8 mi |
| 21208 | Pikesville | 37,276 | $90k | 4.4 mi |
| 21228 | Catonsville | 50,492 | $113k | 4.6 mi |
| 21043 | Ellicott City | 48,525 | $148k | 5.6 mi |
| 21042 | Ellicott City | 43,327 | $190k | 7.5 mi |
| 21215 | Baltimore | 52,229 | $52k | 5.1 mi (near) |
| 21229 | Baltimore | 46,679 | $60k | 5.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.