Data Last Updated: August 1, 2021

BALTIMORE County, MD ZIP Codes

BALTIMORE County, MD Covers 51 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 21013	General	Baldwin	4,653	Eastern	410/443
ZIP Code 21020	P.O. Box	Boring	0	Eastern	443/410
ZIP Code 21022	P.O. Box	Brooklandville	0	Eastern	410/443/667
ZIP Code 21023	P.O. Box	Butler	0	Eastern	443/410
ZIP Code 21027	P.O. Box	Chase	0	Eastern	443/410/667
ZIP Code 21030	General	Cockeysville	24,355	Eastern	410/443
ZIP Code 21031	General	Hunt Valley	4	Eastern	410/443
ZIP Code 21051	General	Fork	279	Eastern	410/443
ZIP Code 21052	P.O. Box	Fort Howard	303	Eastern	443/410
ZIP Code 21053	General	Freeland	3,305	Eastern	443/410
ZIP Code 21057	General	Glen Arm	4,112	Eastern	410/443
ZIP Code 21065	Unique	Hunt Valley	0	Eastern	410/443
ZIP Code 21071	P.O. Box	Glyndon	497	Eastern	443/410
ZIP Code 21082	General	Hydes	654	Eastern	410/443
ZIP Code 21087	General	Kingsville	5,451	Eastern	410/443
ZIP Code 21092	P.O. Box	Long Green	0	Eastern	410/443
ZIP Code 21093	General	Lutherville Timonium	36,465	Eastern	410/443/667
ZIP Code 21094	P.O. Box	Lutherville Timonium	0	Eastern	410/443/667
ZIP Code 21105	P.O. Box	Maryland Line	65	Eastern	443/410
ZIP Code 21111	General	Monkton	4,903	Eastern	443/410
ZIP Code 21117	General	Owings Mills	53,778	Eastern	443/410
ZIP Code 21120	General	Parkton	6,967	Eastern	443/410
ZIP Code 21128	General	Perry Hall	12,802	Eastern	410
ZIP Code 21131	General	Phoenix	7,253	Eastern	410/443
ZIP Code 21133	General	Randallstown	29,998	Eastern	443/410
ZIP Code 21136	General	Reisterstown	33,781	Eastern	443/410
ZIP Code 21139	P.O. Box	Riderwood	0	Eastern	410/443/667
ZIP Code 21152	General	Sparks Glencoe	5,544	Eastern	443/410
ZIP Code 21153	P.O. Box	Stevenson	323	Eastern	410/443/667
ZIP Code 21155	General	Upperco	2,371	Eastern	443/410
ZIP Code 21156	General	Upper Falls	358	Eastern	410/443
ZIP Code 21162	General	White Marsh	3,655	Eastern	443/410/667
ZIP Code 21204	General	Towson	20,253	Eastern	410/443/667
ZIP Code 21207	General	Gwynn Oak	48,133	Eastern	410/443/667
ZIP Code 21208	General	Pikesville	33,917	Eastern	410/443/667
ZIP Code 21219	General	Sparrows Point	9,379	Eastern	443/410
ZIP Code 21220	General	Middle River	39,199	Eastern	443/410/667
ZIP Code 21221	General	Essex	42,154	Eastern	410/443
ZIP Code 21222	General	Dundalk	55,786	Eastern	410/443
ZIP Code 21227	General	Halethorpe	33,534	Eastern	410/443
ZIP Code 21228	General	Catonsville	47,577	Eastern	410/443
ZIP Code 21234	General	Parkville	69,752	Eastern	410/443
ZIP Code 21236	General	Nottingham	38,474	Eastern	410/443
ZIP Code 21237	General	Rosedale	30,059	Eastern	410/443
ZIP Code 21244	General	Windsor Mill	34,611	Eastern	410
ZIP Code 21250	Unique	Baltimore	3,205	Eastern	410/443
ZIP Code 21252	Unique	Towson	2,872	Eastern	410/443/667
ZIP Code 21282	P.O. Box	Pikesville	0	Eastern	410/443
ZIP Code 21284	P.O. Box	Towson	0	Eastern	410/443/667
ZIP Code 21285	P.O. Box	Towson	0	Eastern	410/443/667
ZIP Code 21286	General	Towson	19,206	Eastern	410/443/667

Timezone(s):	Eastern

Population:	805,029 (More Details)
Male Population:	380,409
Female Population:	424,620
Median Age:	39

ZIP Codes:	51
Cities:	44
Counties:	1
Area Codes:	0

Total Area:	682 square miles (county)
Land Area:	598 square miles (county)
Water Area:	83 square miles (county)

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BALTIMORE, MD Demographic Information

* Demographic data is based on 2010 Census.

Total population of BALTIMORE County, MD	805,029
Male population of BALTIMORE County, MD	380,409
Female population of BALTIMORE County, MD	424,620
Median age (years)	39.1
White Population	520,185
Black Population	209,738
Indian Population	2,625
Asian Population	40,077
Hawaiian Population	319
Hispanic Population	33,735
Median age (Male)	37.3
Median age (Female)	40.6
Total households	316,715
Family households (families)	205,113
Average household size for BALTIMORE County, MD	2.48
Average family size of BALTIMORE County, MD	3.04
Total housing units for BALTIMORE County, MD	335,622

BALTIMORE County, MD ZIP Codes

BALTIMORE County, MD Covers 51 ZIP Codes

BALTIMORE, MD Demographic Information

BALTIMORE County, MD Covers 44 Cities