Baltimore County, Maryland ZIP codes
53 ZIP codes are in Baltimore County, plus 13 that cross in from neighboring counties. It's part of the Baltimore-Columbia-Towson, MD metro area.
- ZIP codes
- 53
- Population in these ZIPs
- 848,900
- Avg. median income
- $94,900population-weighted
- Cities & towns
- 45
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Baltimore County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 21013 | Baldwin | 5,610 | $171,354 | $658,100 |
| 21020 PO Box | Boring | — | — | — |
| 21022 PO Box | Brooklandville | — | — | — |
| 21023 | Butler | 66 | $84,474 | $881,600 |
| 21027 PO Box | Chase | — | — | — |
| 21030 | Cockeysville | 25,827 | $89,015 | $466,600 |
| 21031 | Hunt Valley | 26 | — | — |
| 21051 | Fork | 172 | $232,721 | $568,800 |
| 21052 | Fort Howard | 409 | $77,300 | $344,400 |
| 21053 | Freeland | 2,929 | $89,497 | $574,700 |
| 21057 | Glen Arm | 4,386 | $145,924 | $644,200 |
| 21065 PO Box | Hunt Valley | — | — | — |
| 21071 | Glyndon | 404 | $213,500 | $490,100 |
| 21082 | Hydes | 626 | $145,571 | $582,300 |
| 21087 | Kingsville | 5,537 | $129,188 | $545,000 |
| 21092 PO Box | Long Green | — | — | — |
| 21093 | Lutherville Timonium | 39,100 | $125,528 | $502,300 |
| 21094 PO Box | Lutherville Timonium | — | — | — |
| 21105 | Maryland Line | 36 | — | — |
| 21111 | Monkton | 4,714 | $136,304 | $720,200 |
| 21117 | Owings Mills | 62,816 | $101,831 | $384,400 |
| 21120 | Parkton | 7,440 | $162,052 | $642,300 |
| 21128 | Perry Hall | 15,501 | $128,069 | $438,400 |
| 21131 | Phoenix | 7,141 | $197,619 | $752,300 |
| 21133 | Randallstown | 31,398 | $80,480 | $361,700 |
| 21136 | Reisterstown | 32,088 | $118,500 | $407,100 |
| 21139 PO Box | Riderwood | — | — | — |
| 21152 | Sparks Glencoe | 6,459 | $121,350 | $521,700 |
| 21153 | Stevenson | 456 | $220,179 | $1,099,100 |
| 21155 | Upperco | 3,313 | $123,158 | $536,700 |
| 21156 | Upper Falls | 204 | — | $516,500 |
| 21162 | White Marsh | 4,639 | $157,813 | $516,900 |
| 21163 | Woodstock | 7,539 | $134,672 | $649,000 |
| 21204 | Towson | 19,845 | $99,606 | $590,600 |
| 21207 | Gwynn Oak | 47,099 | $67,060 | $287,900 |
| 21208 | Pikesville | 37,276 | $90,131 | $372,500 |
| 21209 | Baltimore | 30,126 | $91,437 | $445,000 |
| 21219 | Sparrows Point | 9,565 | $110,438 | $381,500 |
| 21220 | Middle River | 42,824 | $81,817 | $329,400 |
| 21221 | Essex | 43,487 | $67,340 | $290,200 |
| 21222 | Dundalk | 59,407 | $64,141 | $222,200 |
| 21227 | Halethorpe | 34,907 | $85,986 | $305,100 |
| 21228 | Catonsville | 50,492 | $112,656 | $424,900 |
| 21234 | Parkville | 66,334 | $83,517 | $300,400 |
| 21236 | Nottingham | 39,514 | $95,149 | $332,500 |
| 21237 | Rosedale | 31,425 | $91,693 | $313,100 |
| 21244 | Windsor Mill | 38,208 | $85,114 | $321,900 |
| 21250 | Baltimore | 2,834 | — | — |
| 21252 | Towson | 4,865 | — | — |
| 21282 PO Box | Pikesville | — | — | — |
| 21284 PO Box | Towson | — | — | — |
| 21285 | Towson | 3 | — | — |
| 21286 | Towson | 21,853 | $93,808 | $398,200 |
ZIP codes partly in Baltimore County
These ZIP codes are mostly in a neighboring county but cover part of Baltimore County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 21043 | Ellicott City | Howard County | 48,525 | $148,125 | $626,700 |
| 21074 | Hampstead | Carroll County | 14,777 | $108,536 | $431,900 |
| 21085 | Joppa | Harford County | 17,307 | $113,714 | $365,000 |
| 21102 | Manchester | Carroll County | 12,162 | $135,069 | $461,200 |
| 21104 | Marriottsville | Howard County | 6,052 | $191,804 | $716,400 |
| 21161 | White Hall | Harford County | 5,221 | $108,094 | $562,300 |
| 21206 | Baltimore | Baltimore city | 48,902 | $64,531 | $218,300 |
| 21210 | Baltimore | Baltimore city | 14,134 | $112,428 | $480,300 |
| 21212 | Baltimore | Baltimore city | 33,974 | $96,685 | $335,700 |
| 21215 | Baltimore | Baltimore city | 52,229 | $51,587 | $158,600 |
| 21224 | Baltimore | Baltimore city | 47,465 | $89,017 | $232,600 |
| 21229 | Baltimore | Baltimore city | 46,679 | $60,047 | $170,500 |
| 21239 | Baltimore | Baltimore city | 27,346 | $62,650 | $211,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Baltimore County
- Baldwin
- Boring
- Brooklandville
- Butler
- Chase
- Cockeysville
- Hunt Valley
- Fork
- Fort Howard
- Freeland
- Glen Arm
- Glyndon
- Hydes
- Kingsville
- Long Green
- Lutherville Timonium
- Maryland Line
- Monkton
- Owings Mills
- Parkton
- Perry Hall
- Phoenix
- Randallstown
- Reisterstown
- Riderwood
- Sparks Glencoe
- Stevenson
- Upperco
- Upper Falls
- White Marsh
- Woodstock
- Towson
- Gwynn Oak
- Pikesville
- Baltimore
- Sparrows Point
- Middle River
- Essex
- Dundalk
- Halethorpe
- Catonsville
- Parkville
- Nottingham
- Rosedale
- Windsor Mill
Nearby counties
Frequently asked questions
How many ZIP codes are in Baltimore County, Maryland?
53 ZIP codes are mainly in Baltimore County, and 13 more ZIP codes from neighboring areas reach partly into it.
What cities are in Baltimore County?
ZIP codes in Baltimore County use the city names Baldwin, Baltimore, Boring, Brooklandville, Butler, Catonsville, Chase, Cockeysville, Dundalk, Essex, Fork and Fort Howard and others.
What metro area is Baltimore County in?
Baltimore County is part of the Baltimore-Columbia-Towson, MD metropolitan statistical area.