21030 ZIP Code: Living in Cockeysville, MD

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

ZIP code 21030 is in Baltimore County, Maryland, and covers Cockeysville, Hunt Valley (part) and Sherwood. Along the York Road and I-83 corridor north of Timonium, with apartments, townhomes and single-family neighborhoods near Oregon Ridge Park and the light rail. About 25,827 people live in the 21030 ZIP code area.

21030 at a glance

Figures are Census estimates for ZIP Code Tabulation Area 21030, which closely follows the postal ZIP code. Estimates for smaller areas have wider margins of error.

Neighborhoods and communities in 21030

The 21030 ZIP code includes Cockeysville, Hunt Valley (part) and Sherwood. ZIP code lines don’t always match neighborhood or school boundaries, so confirm the details for any specific address.

Homes in 21030: what the housing looks like

Housing in 21030 is mostly apartments and condos in larger buildings. Most homes were built before 2000; about 15% date from 2000 or later. About 44% of occupied homes are lived in by their owners, so renting is common here.

Type of home	Share of homes in 21030
Single-family detached	30%
Townhomes and rowhomes (attached)	13%
2–4 unit buildings	3%
Buildings with 5+ units (apartments, condos)	53%

Share of all housing units, ACS 2020–2024. 11,421 housing units in total.

Commuting from 21030

Workers living in 21030 average a 24.3-minute commute. About 14.1% work from home. Here is how far the center of the 21030 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	16 miles
Washington, D.C.	46 miles
BWI Airport	23 miles
Annapolis	38 miles
Fort Meade	28 miles
Columbia Town Center	22 miles
Towson	9 miles

Living in Baltimore County: what to know

Baltimore County has no incorporated cities, so communities such as this one are governed by the county. Property taxes, schools, police and trash service all run through Baltimore County government.

Public schools in 21030 are run by Baltimore County Public Schools. 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 Baltimore County relocation guide. For parks and trails, see Baltimore County parks.

ZIP codes near 21030

• 21031 – Hunt Valley
• 21023 – Butler
• 21152 – Sparks Glencoe
• 21131 – Phoenix
• 21093 – Lutherville-Timonium
• 21071 – Glyndon

21030 ZIP code: frequently asked questions

What county is ZIP code 21030 in?

ZIP code 21030 is in Baltimore County, Maryland.

What neighborhoods are in the 21030 ZIP code?

The 21030 ZIP code includes Cockeysville, Hunt Valley (part) and Sherwood.

What is the median home value in 21030?

The median value of owner-occupied homes in 21030 is about $450,700, 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 21030 from Baltimore and Washington, D.C.?

The center of the 21030 ZIP code is about 16 miles from downtown Baltimore and 46 miles from Washington, D.C., in a straight line. Drive times vary with traffic.

Where can I see homes for sale in 21030?

You can see all current homes for sale in 21030 on GreatestMoves.com, our home search site, at https://www.greatestmoves.com/zip-codes/21030/.

Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables DP03, DP04, DP05) for ZCTA 21030; U.S. Census Bureau TIGERweb ZCTA boundaries. Distances are calculated from the ZCTA’s internal point.