Maryland ZIP Codes
- ZIP records
477 - Cities represented
398 - Counties represented
23 - Sum of listed ZIP population estimates
6,205,597
Population sum includes positive estimates in these ZIP records; it is not an official state population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 20906 | Silver Spring | Montgomery | 70,595 |
| 2 | 21234 | Parkville | Baltimore | 66,334 |
| 3 | 20878 | Gaithersburg | Montgomery | 66,115 |
| 4 | 21740 | Hagerstown | Washington | 64,792 |
| 5 | 21117 | Owings Mills | Baltimore | 62,816 |
| 6 | 20874 | Germantown | Montgomery | 62,738 |
| 7 | 21122 | Pasadena | Anne Arundel | 61,566 |
| 8 | 21222 | Dundalk | Baltimore | 59,407 |
| 9 | 20904 | Silver Spring | Montgomery | 58,646 |
| 10 | 21061 | Glen Burnie | Anne Arundel | 57,230 |
| 11 | 20744 | Fort Washington | Prince George's | 54,441 |
| 12 | 20772 | Upper Marlboro | Prince George's | 54,319 |
| 13 | 20902 | Silver Spring | Montgomery | 54,261 |
| 14 | 21215 | Baltimore | Baltimore | 52,229 |
| 15 | 20774 | Upper Marlboro | Prince George's | 51,816 |
| 16 | 20854 | Potomac | Montgomery | 50,498 |
| 17 | 21228 | Catonsville | Baltimore | 50,492 |
| 18 | 20850 | Rockville | Montgomery | 50,353 |
| 19 | 20783 | Hyattsville | Prince George's | 50,333 |
| 20 | 21702 | Frederick | Frederick | 49,605 |
Counties
- Allegany County
- Anne Arundel County
- Baltimore County
- Calvert County
- Caroline County
- Carroll County
- Cecil County
- Charles County
- Dorchester County
- Frederick County
- Garrett County
- Harford County
- Howard County
- Kent County
- Montgomery County
- Prince George's County
- Queen Anne's County
- Somerset County
- St. Mary's County
- Talbot County
- Washington County
- Wicomico County
- Worcester County
Cities
- Abell
- Aberdeen
- Aberdeen Proving Ground
- Abingdon
- Accident
- Accokeek
- Adamstown
- Allen
- Andrews Air Force Base
- Annapolis
- Annapolis Junction
- Aquasco
- Arnold
- Ashton
- Avenue
- Baldwin
- Baltimore
- Barclay
- Barnesville
- Barton
- Bealsville
- Bel Air
- Bel Alton
- Belcamp
- Beltsville
- Benedict
- Berlin
- Bethesda
- Betterton
- Big Pool
- Bishopville
- Bivalve
- Bladensburg
- Bloomington
- Boonsboro
- Bowie
- Boyds
- Bozman
- Braddock Heights
- Brandywine
- Brentwood
- Brinklow
- Brookeville
- Brooklyn
- Broomes Island
- Brownsville
- Brunswick
- Bryans Road
- Bryantown
- Buckeystown
- Burkittsville
- Burtonsville
- Bushwood
- Butler
- Cabin John
- California
- Callaway
- Cambridge
- Capitol Heights
- Cascade
- Catonsville
- Cecilton
- Centreville
- Chaptico
- Charlestown
- Charlotte Hall
- Cheltenham
- Chesapeake Beach
- Chesapeake City
- Chester
- Chestertown
- Chevy Chase
- Church Creek
- Church Hill
- Churchton
- Churchville
- Claiborne
- Clarksburg
- Clarksville
- Clear Spring
- Clements
- Clinton
- Cobb Island
- Cockeysville
- College Park
- Colora
- Coltons Point
- Columbia
- Conowingo
- Cooksville
- Cordova
- Corriganville
- Crapo
- Crisfield
- Crocheron
- Crofton
- Crownsville
- Crumpton
- Cumberland
- Curtis Bay
- Damascus
- Dameron
- Darlington
- Davidsonville
- Dayton
- Deal Island
- Deale
- Delmar
- Denton
- Derwood
- Dickerson
- District Heights
- Dowell
- Drayden
- Dundalk
- Dunkirk
- Earleville
- East New Market
- Easton
- Eden
- Edgewater
- Edgewood
- Elk Mills
- Elkridge
- Elkton
- Ellerslie
- Ellicott City
- Emmitsburg
- Essex
- Ewell
- Fairplay
- Fallston
- Faulkner
- Federalsburg
- Finksburg
- Fishing Creek
- Flintstone
- Forest Hill
- Fork
- Fort George G Meade
- Fort Howard
- Fort Washington
- Frederick
- Freeland
- Friendship
- Friendsville
- Frostburg
- Fruitland
- Fulton
- Funkstown
- Gaithersburg
- Galena
- Galesville
- Gambrills
- Garrett Park
- Georgetown
- Germantown
- Gibson Island
- Girdletree
- Glen Arm
- Glen Burnie
- Glen Echo
- Glenelg
- Glenn Dale
- Glenwood
- Glyndon
- Goldsboro
- Grantsville
- Grasonville
- Great Mills
- Greenbelt
- Greensboro
- Gunpowder
- Gwynn Oak
- Hagerstown
- Halethorpe
- Hampstead
- Hancock
- Hanover
- Harmans
- Harwood
- Havre De Grace
- Hebron
- Henderson
- Highland
- Hillsboro
- Hollywood
- Hughesville
- Hunt Valley
- Huntingtown
- Hurlock
- Hyattsville
- Hydes
- Ijamsville
- Indian Head
- Ingleside
- Issue
- Jarrettsville
- Jefferson
- Jessup
- Joppa
- Keedysville
- Kennedyville
- Kensington
- Keymar
- Kingsville
- Kitzmiller
- Knoxville
- La Plata
- Lanham
- Laurel
- Leonardtown
- Lexington Park
- Libertytown
- Linkwood
- Linthicum Heights
- Little Orleans
- Lonaconing
- Lothian
- Loveville
- Luke
- Lusby
- Lutherville Timonium
- Madison
- Manchester
- Marbury
- Mardela Springs
- Marion Station
- Marriottsville
- Marydel
- Maryland Line
- Massey
- Maugansville
- McHenry
- Mcdaniel
- Mechanicsville
- Middle River
- Middletown
- Midland
- Midlothian
- Millersville
- Millington
- Monkton
- Monrovia
- Montgomery Village
- Morganza
- Mount Airy
- Mount Rainier
- Mount Savage
- Mount Victoria
- Myersville
- Nanjemoy
- Nanticoke
- Neavitt
- New Market
- New Windsor
- Newark
- Newburg
- Newcomb
- North Beach
- North East
- Nottingham
- Oakland
- Ocean City
- Odenton
- Oldtown
- Olney
- Owings
- Owings Mills
- Oxford
- Oxon Hill
- Park Hall
- Parkton
- Parkville
- Parsonsburg
- Pasadena
- Patuxent River
- Perry Hall
- Perry Point
- Perryman
- Perryville
- Phoenix
- Pikesville
- Piney Point
- Pittsville
- Pocomoke City
- Point Of Rocks
- Pomfret
- Poolesville
- Port Deposit
- Port Republic
- Port Tobacco
- Potomac
- Preston
- Prince Frederick
- Princess Anne
- Pylesville
- Quantico
- Queen Anne
- Queenstown
- Randallstown
- Rawlings
- Reisterstown
- Rhodesdale
- Ridge
- Ridgely
- Rising Sun
- Riva
- Riverdale
- Rock Hall
- Rockville
- Rocky Ridge
- Rohrersville
- Rosedale
- Royal Oak
- Sabillasville
- Saint Inigoes
- Saint James
- Saint Leonard
- Saint Marys City
- Saint Michaels
- Salisbury
- Sandy Spring
- Savage
- Scotland
- Secretary
- Severn
- Severna Park
- Shady Side
- Sharpsburg
- Sharptown
- Sherwood
- Showell
- Silver Spring
- Smithsburg
- Snow Hill
- Solomons
- Sparks Glencoe
- Sparrows Point
- Spencerville
- Spring Gap
- Stevenson
- Stevensville
- Still Pond
- Stockton
- Street
- Sudlersville
- Suitland
- Sunderland
- Swanton
- Sykesville
- Takoma Park
- Tall Timbers
- Taneytown
- Taylors Island
- Temple Hills
- Thurmont
- Tilghman
- Toddville
- Towson
- Tracys Landing
- Trappe
- Tuscarora
- Tyaskin
- Tylerton
- Union Bridge
- Upper Fairmount
- Upper Falls
- Upper Marlboro
- Upperco
- Valley Lee
- Vienna
- Waldorf
- Walkersville
- Warwick
- Washington Grove
- Welcome
- West Friendship
- West River
- Westernport
- Westminster
- Westover
- Whaleyville
- White Hall
- White Marsh
- White Plains
- Whiteford
- Willards
- Williamsport
- Windsor Mill
- Wingate
- Wittman
- Woodbine
- Woodsboro
- Woodstock
- Woolford
- Worton
- Wye Mills
ZIP Prefix Directory
- ZIPs starting with 206
- ZIPs starting with 207
- ZIPs starting with 208
- ZIPs starting with 209
- ZIPs starting with 210
- ZIPs starting with 211
- ZIPs starting with 212
- ZIPs starting with 214
- ZIPs starting with 215
- ZIPs starting with 216
- ZIPs starting with 217
- ZIPs starting with 218
- ZIPs starting with 219
ZIP Range Directory
Download Maryland ZIP records (CSV)
Methodology: ZIP records and place names are grouped using the source file's state, city, county, and ZIP fields. Population sums add positive ZIP-level estimates; they are not official state totals. Prefix and range links lead to directories of records sharing those ZIP patterns.