21077 ZIP Code: Living in Harmans, MD

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

ZIP code 21077 is in Anne Arundel County, Maryland, and covers Harmans. A small area just west of BWI Airport between MD-100 and MD-176. About 63 people live in the 21077 ZIP code area.

21077 at a glance

Figures are Census estimates for ZIP Code Tabulation Area 21077, which closely follows the postal ZIP code. This area has few residents, so housing estimates are not shown because they would be unreliable.

Neighborhoods and communities in 21077

The 21077 ZIP code includes Harmans. ZIP code lines don’t always match neighborhood or school boundaries, so confirm the details for any specific address.

Commuting from 21077

Here is how far the center of the 21077 ZIP code is from major job centers and travel hubs. These are straight-line distances; drive times depend on route and traffic.

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 21077 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 21077

• 21076 – Hanover
• 21144 – Severn
• 21061 – Glen Burnie
• 21090 – Linthicum Heights
• 21075 – Elkridge
• 20755 – Fort Meade

21077 ZIP code: frequently asked questions

Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables DP03, DP04, DP05) for ZCTA 21077; U.S. Census Bureau TIGERweb ZCTA boundaries. Distances are calculated from the ZCTA’s internal point.