21163 ZIP Code: Living in Woodstock, MD

Updated November 2026 · Data: U.S. Census Bureau, American Community Survey 2020–2024

ZIP code 21163 is mostly in Howard County, with part in Baltimore County, Maryland, and covers Woodstock and Granite. Spanning Howard and Baltimore counties along the Patapsco River, with wooded lots near Patapsco Valley State Park. About 7,539 people live in the 21163 ZIP code area.

21163 at a glance

Figures are Census estimates for ZIP Code Tabulation Area 21163, which closely follows the postal ZIP code. Estimates for smaller areas have wider margins of error.

Neighborhoods and communities in 21163

The 21163 ZIP code includes Woodstock and Granite. ZIP code lines don’t always match neighborhood or school boundaries, so confirm the details for any specific address.

Homes in 21163: what the housing looks like

Housing in 21163 is a mix led by single-family homes, along with townhomes. About 53% of homes were built in 2000 or later, so newer construction is common. About 85% of occupied homes are lived in by their owners, which is higher than the Maryland average of about 67%.

Type of home	Share of homes in 21163
Single-family detached	50%
Townhomes and rowhomes (attached)	34%
2–4 unit buildings	1%
Buildings with 5+ units (apartments, condos)	14%
Mobile homes	1%

Share of all housing units, ACS 2020–2024. 2,816 housing units in total.

Commuting from 21163

Workers living in 21163 average a 29.6-minute commute. About 23.9% work from home. Here is how far the center of the 21163 ZIP code is from major job centers and travel hubs. These are straight-line distances; drive times depend on route and traffic.

Destination	Distance
Downtown Baltimore	13 miles
Washington, D.C.	32 miles
BWI Airport	15 miles
Annapolis	31 miles
Fort Meade	17 miles
Columbia Town Center	8 miles
Towson	14 miles

Living in Howard County: what to know

Howard County has no incorporated cities; Columbia and Ellicott City are unincorporated communities governed by the county. Homes in the western part of the county often use well and septic rather than public water and sewer, so check that before you buy.

Public schools in 21163 are run by Howard County Public School System. Assignments go by street address, not ZIP code, so use the district’s school locator for a specific home. To compare schools, see the Maryland State Department of Education Report Card.

For taxes, commuting and lifestyle across the county, read our Howard County relocation guide. For parks and trails, see Howard County parks.

ZIP codes near 21163

• 21133 – Randallstown
• 21104 – Marriottsville
• 21244 – Windsor Mill
• 21042 – Ellicott City
• 21043 – Ellicott City
• 21794 – West Friendship

21163 ZIP code: frequently asked questions

What county is ZIP code 21163 in?

ZIP code 21163 is mostly in Howard County, Maryland, with part in Baltimore County.

What neighborhoods are in the 21163 ZIP code?

The 21163 ZIP code includes Woodstock and Granite.

What is the median home value in 21163?

The median value of owner-occupied homes in 21163 is about $602,800, according to Census American Community Survey estimates for 2020–2024. Current asking prices can differ, so check active listings for today’s market.

How far is 21163 from Baltimore and Washington, D.C.?

The center of the 21163 ZIP code is about 13 miles from downtown Baltimore and 32 miles from Washington, D.C., in a straight line. Drive times vary with traffic.

Where can I see homes for sale in 21163?

You can see all current homes for sale in 21163 on GreatestMoves.com, our home search site, at https://www.greatestmoves.com/zip-codes/21163/.

Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables DP03, DP04, DP05) for ZCTA 21163; U.S. Census Bureau TIGERweb ZCTA boundaries. Distances are calculated from the ZCTA’s internal point.