21075 ZIP Code: Living in Elkridge, MD
Updated November 2026 · Data: U.S. Census Bureau, American Community Survey 2020–2024
ZIP code 21075 is in Howard County, Maryland, and covers Elkridge. One of Maryland’s oldest towns, on the Patapsco River at the Howard-Baltimore line, with newer communities near US-1 and I-95. About 37,363 people live in the 21075 ZIP code area.
21075 at a glance
Figures are Census estimates for ZIP Code Tabulation Area 21075, which closely follows the postal ZIP code. Estimates for smaller areas have wider margins of error.
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Neighborhoods and communities in 21075
The 21075 ZIP code includes Elkridge. ZIP code lines don’t always match neighborhood or school boundaries, so confirm the details for any specific address.
Homes in 21075: what the housing looks like
Housing in 21075 is a mix of townhomes, single-family homes and apartments. About 49% of homes were built in 2000 or later, so newer construction is common. About 64% of occupied homes are lived in by their owners.
| Type of home | Share of homes in 21075 |
|---|---|
| Single-family detached | 34% |
| Townhomes and rowhomes (attached) | 31% |
| 2–4 unit buildings | 3% |
| Buildings with 5+ units (apartments, condos) | 27% |
| Mobile homes | 5% |
Share of all housing units, ACS 2020–2024. 13,443 housing units in total.
Commuting from 21075
Workers living in 21075 average a 28.1-minute commute. About 24.1% work from home. Here is how far the center of the 21075 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 | 9 miles |
| Washington, D.C. | 26 miles |
| BWI Airport | 5 miles |
| Annapolis | 21 miles |
| Fort Meade | 7 miles |
| Columbia Town Center | 6 miles |
| Towson | 16 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 21075 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 21075
Looking at homes in 21075?
See every home for sale in this ZIP code, updated throughout the day, or ask a local agent about the neighborhoods here.
21075 ZIP code: frequently asked questions
What county is ZIP code 21075 in?
ZIP code 21075 is in Howard County, Maryland.
What neighborhoods are in the 21075 ZIP code?
The 21075 ZIP code includes Elkridge.
What is the median home value in 21075?
The median value of owner-occupied homes in 21075 is about $455,300, 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 21075 from Baltimore and Washington, D.C.?
The center of the 21075 ZIP code is about 9 miles from downtown Baltimore and 26 miles from Washington, D.C., in a straight line. Drive times vary with traffic.
Where can I see homes for sale in 21075?
You can see all current homes for sale in 21075 on GreatestMoves.com, our home search site, at https://www.greatestmoves.com/zip-codes/21075/.
Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables DP03, DP04, DP05) for ZCTA 21075; U.S. Census Bureau TIGERweb ZCTA boundaries. Distances are calculated from the ZCTA’s internal point.