21144 ZIP Code: Living in Severn, MD

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

ZIP code 21144 is in Anne Arundel County, Maryland, and covers Severn and Harmans (part). Central-west Anne Arundel between BWI and Fort Meade, with many newer townhome and single-family communities. About 37,118 people live in the 21144 ZIP code area.

21144 at a glance

Figures are Census estimates for ZIP Code Tabulation Area 21144, which closely follows the postal ZIP code. Estimates for smaller areas have wider margins of error.

Neighborhoods and communities in 21144

The 21144 ZIP code includes Severn and Harmans (part). ZIP code lines don’t always match neighborhood or school boundaries, so confirm the details for any specific address.

Homes in 21144: what the housing looks like

Housing in 21144 is a mix led by single-family homes, along with townhomes. Most homes were built before 2000; about 33% date from 2000 or later. About 80% 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 21144
Single-family detached	66%
Townhomes and rowhomes (attached)	30%
2–4 unit buildings	1%
Buildings with 5+ units (apartments, condos)	1%
Mobile homes	3%

Share of all housing units, ACS 2020–2024. 13,466 housing units in total.

Commuting from 21144

Workers living in 21144 average a 28-minute commute. About 15.9% work from home. Here is how far the center of the 21144 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	12 miles
Washington, D.C.	25 miles
BWI Airport	4 miles
Annapolis	14 miles
Fort Meade	4 miles
Columbia Town Center	12 miles
Towson	20 miles

Living in Anne Arundel County: what to know

Annapolis is the county’s only incorporated city and has its own city taxes and services; the rest of Anne Arundel is governed by the county. With more than 500 miles of shoreline, many homes here are waterfront or water-privileged, which can bring critical area rules, pier permits and flood insurance questions.

Public schools in 21144 are run by Anne Arundel 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 Anne Arundel County relocation guide. For parks and trails, see Anne Arundel County parks.

ZIP codes near 21144

• 21077 – Harmans
• 21061 – Glen Burnie
• 21108 – Millersville
• 20755 – Fort Meade
• 21076 – Hanover
• 21113 – Odenton

21144 ZIP code: frequently asked questions

What county is ZIP code 21144 in?

ZIP code 21144 is in Anne Arundel County, Maryland.

What neighborhoods are in the 21144 ZIP code?

The 21144 ZIP code includes Severn and Harmans (part).

What is the median home value in 21144?

The median value of owner-occupied homes in 21144 is about $483,700, 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 21144 from Baltimore and Washington, D.C.?

The center of the 21144 ZIP code is about 12 miles from downtown Baltimore and 25 miles from Washington, D.C., in a straight line. Drive times vary with traffic.

Where can I see homes for sale in 21144?

You can see all current homes for sale in 21144 on GreatestMoves.com, our home search site, at https://www.greatestmoves.com/zip-codes/21144/.

Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables DP03, DP04, DP05) for ZCTA 21144; U.S. Census Bureau TIGERweb ZCTA boundaries. Distances are calculated from the ZCTA’s internal point.