Baltimore County, MD ZIP Codes

54 ZIP codes cover all or part of Baltimore County, Maryland. The Census Bureau counts 850,796 residents in the county, with a median household income of $91,768 and a median home value of $349,300. Median household income ranges from $60,047 in 21229 to $197,619 in 21131. Its largest communities include Baltimore, Ellicott City, Dundalk, Towson and Catonsville.

Baltimore County (Census county figures)

MeasureCensus figure
Residents850,796
Households332,801
Median household income$91,768
Median home value$349,300
Median age39.7
Median rent$1,627

All 54 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)1,105,612
Households (sum of ZIP codes)438,509
Median household income, range across ZIP codes$60,047 (21229) to $197,619 (21131)
Household-weighted average of ZIP medians (an approximation, not a true median)$91,733
Homeowners65.0%
Households with kids under 1828.3%
Moved in the past year10.7%
Carrier routes in EDDM2GO's route library792 routes, 426,617 homes (45 of 54 ZIP codes)

Top facts

Every ZIP code in Baltimore County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
21234Parkville66,33427,639$83,517$288,10064.5%27.4%9.4%5329,86393% of its land
21117Owings Mills62,81625,193$101,831$387,40055.0%32.5%12.5%4527,553100% of its land
21222Dundalk59,40722,512$64,141$215,90064.9%30.5%11.7%4024,16094% of its land
21228Catonsville50,49219,788$112,656$404,70071.0%28.0%12.3%4521,058100% of its land
21206Baltimore48,90220,480$64,531$216,10053.2%29.4%9.7%2921,03531% of its land
21224Baltimore47,46520,962$89,017$295,20058.5%23.6%16.6%4026,47927% of its land
21207Gwynn Oak47,09918,976$67,060$260,30060.7%29.2%11.5%3419,91972% of its land
21229Baltimore46,67919,262$60,047$201,30056.9%26.7%12.3%——14% of its land
21221Essex43,48717,286$67,340$271,50062.5%27.8%9.9%2719,369100% of its land
21220Middle River42,82416,544$81,817$300,10068.8%31.0%10.9%2719,336100% of its land
21236Nottingham39,51415,698$95,149$327,20069.6%31.8%7.8%3418,08498% of its land
21093Lutherville Timonium39,10015,688$125,528$477,70078.8%27.9%11.7%3718,077100% of its land
21244Windsor Mill38,20814,157$85,114$282,60049.0%33.3%11.1%2816,288100% of its land
21208Pikesville37,27615,735$90,131$337,90066.9%21.8%8.9%3416,78499% of its land
21227Halethorpe34,90713,396$85,986$289,40064.7%28.7%9.5%——97% of its land
21212Baltimore33,97412,971$96,685$373,70068.8%31.0%11.2%3013,62343% of its land
21136Reisterstown32,08813,048$118,500$422,10079.4%26.4%5.5%2614,23996% of its land
21237Rosedale31,42512,417$91,693$295,60062.1%26.8%14.2%2113,90894% of its land
21133Randallstown31,39812,204$80,480$322,80068.4%23.8%7.1%1912,197100% of its land
21209Baltimore30,12611,621$91,437$440,80057.5%32.4%8.8%2512,72256% of its land
21239Baltimore27,34612,080$62,650$207,40055.2%25.3%12.8%1912,83827% of its land
21030Cockeysville25,82710,900$89,015$450,70043.7%26.9%10.6%2213,060100% of its land
21286Towson21,8539,765$93,808$430,10059.9%20.6%10.8%2211,637100% of its land
21204Towson19,8458,747$99,606$594,80045.7%19.8%23.5%2411,293100% of its land
21128Perry Hall15,5015,609$128,069$449,50084.0%29.6%5.7%106,290100% of its land
21074Hampstead14,7775,889$108,536$378,10086.6%26.7%4.6%106,33228% of its land
21210Baltimore14,1345,202$112,428$547,30061.5%24.8%16.2%156,21016% of its land
21102Manchester12,1624,413$135,069$392,80089.4%29.7%2.3%84,39223% of its land
21219Sparrows Point9,5653,632$110,438$384,60089.2%32.8%7.0%74,263100% of its land
21163Woodstock7,5392,680$134,672$602,80085.0%32.4%8.1%52,83973% of its land
21120Parkton7,4402,599$162,052$580,90093.8%35.4%4.7%52,738100% of its land
21131Phoenix7,1412,600$197,619$686,00098.4%34.2%3.9%62,872100% of its land
21152Sparks Glencoe6,4592,609$121,350$495,70072.9%31.3%6.0%52,644100% of its land
21104Marriottsville6,0522,097$191,804$680,20097.0%34.6%8.3%62,40815% of its land
21013Baldwin5,6101,843$171,354$572,10093.8%37.7%2.4%31,72571% of its land
21087Kingsville5,5372,151$129,188$534,30093.4%25.4%3.6%42,19290% of its land
21161White Hall5,2211,887$108,094$472,60091.3%26.6%4.2%42,12147% of its land
21252Towson4,86512——0.0%0.0%37.8%——100% of its land
21111Monkton4,7141,908$136,304$607,20095.5%36.1%5.1%41,98277% of its land
21162White Marsh4,6391,559$157,813$451,60088.9%38.3%1.9%42,140100% of its land
21057Glen Arm4,3861,545$145,924$623,20085.1%32.7%12.8%41,672100% of its land
21155Upperco3,3131,032$123,158$479,50081.9%39.6%3.1%21,04289% of its land
21053Freeland2,9291,191$89,497$408,30089.3%30.6%3.3%31,240100% of its land
21250Baltimore2,8340————41.0%——100% of its land
21082Hydes626274$145,571$485,50080.7%25.2%11.7%136897% of its land
21153Stevenson456223$220,179$902,30088.8%8.1%7.3%——100% of its land
21052Fort Howard409168$77,300$293,20083.9%71.4%24.0%1194100% of its land
21071Glyndon404130$213,500$450,500100.0%30.0%34.0%——100% of its land
21156Upper Falls20465—$793,800100.0%36.9%0.0%1104100% of its land
21051Fork17259$232,721$698,500100.0%57.6%0.0%1108100% of its land
21023Butler6630$84,474$881,600100.0%80.0%0.0%——100% of its land
21105Maryland Line3614——0.0%0.0%0.0%——100% of its land
21031Hunt Valley2619——0.0%100.0%0.0%2277100% of its land
21285Towson30————33.3%——100% of its land

A ZIP code is listed for Baltimore County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

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Frequently asked questions

What ZIP codes are in Baltimore County, MD?
21234, 21117, 21222, 21228, 21206, 21224, 21207, 21229, 21221, 21220, 21236, 21093, 21244, 21208, 21227, 21212, 21136, 21237, 21133, 21209, 21239, 21030, 21286, 21204, 21128, 21074, 21210, 21102, 21219, 21163, 21120, 21131, 21152, 21104, 21013, 21087, 21161, 21252, 21111 and 21162 and 14 more. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Baltimore County?
850,796 residents in 332,801 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Baltimore County?
$91,768 for the county as a whole. Its ZIP codes range from $60,047 (21229) to $197,619 (21131).
Which Baltimore County ZIP code has the highest median household income?
21131, at $197,619, among ZIP codes with at least 1,000 residents. See the full ranking of Baltimore County ZIP codes by income.
How many carrier routes and mailboxes are in Baltimore County?
For the 45 of 54 ZIP codes in EDDM2GO's stored route library: 792 carrier routes reaching 426,617 residential and 23,043 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.