List of 122 Zip Codes in Baltimore County, Maryland

On this page, we'll list out the 122 Baltimore County, Maryland ZIP codes we have, including the land area and county name of each code.

Maryland is the 42nd largest state by total land area, with a land area of 12,406 square miles (32,131 square kilometers) and has a total population of 6,037,624 people as of the most recent U.S. Census survey.

Baltimore County makes up approximately 12.64% of the total land area for Maryland and we have 122 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
21013 39,130,800 15 39
21030 61,585,300 24 62
21031 2,515,560 1 3
21043 44,017,800 17 44
21043 44,017,800 17 44
21043 44,017,800 17 44
21043 44,017,800 17 44
21052 193,870 0 0
21057 43,517,300 17 44
21074 97,032,400 37 97
21082 11,526,400 4 12
21085 46,410,100 18 46
21085 46,410,100 18 46
21085 46,410,100 18 46
21087 36,286,200 14 36
21087 36,286,200 14 36
21093 52,336,900 20 52
21093 52,336,900 20 52
21093 52,336,900 20 52
21093 52,336,900 20 52
21093 52,336,900 20 52
21093 52,336,900 20 52
21093 52,336,900 20 52
21102 104,815,000 40 105
21104 43,981,900 17 44
21104 43,981,900 17 44
21117 84,222,900 33 84
21117 84,222,900 33 84
21117 84,222,900 33 84
21117 84,222,900 33 84
21128 17,286,900 7 17
21128 17,286,900 7 17
21131 57,565,100 22 58
21133 26,247,600 10 26
21133 26,247,600 10 26
21136 145,012,000 56 145
21153 5,085,250 2 5
21153 5,085,250 2 5
21156 3,735,260 1 4
21162 19,321,400 7 19
21163 32,691,000 13 33
21163 32,691,000 13 33
21204 15,615,200 6 16
21206 18,667,200 7 19
21206 18,667,200 7 19
21206 18,667,200 7 19
21207 26,710,700 10 27
21207 26,710,700 10 27
21207 26,710,700 10 27
21208 31,926,000 12 32
21208 31,926,000 12 32
21208 31,926,000 12 32
21208 31,926,000 12 32
21208 31,926,000 12 32
21208 31,926,000 12 32
21208 31,926,000 12 32
21209 18,354,500 7 18
21209 18,354,500 7 18
21209 18,354,500 7 18
21210 8,579,050 3 9
21210 8,579,050 3 9
21212 12,042,900 5 12
21212 12,042,900 5 12
21215 17,645,200 7 18
21215 17,645,200 7 18
21215 17,645,200 7 18
21219 21,258,400 8 21
21219 21,258,400 8 21
21220 55,824,000 22 56
21220 55,824,000 22 56
21220 55,824,000 22 56
21220 55,824,000 22 56
21221 38,242,300 15 38
21221 38,242,300 15 38
21221 38,242,300 15 38
21222 28,390,000 11 28
21222 28,390,000 11 28
21222 28,390,000 11 28
21224 24,540,000 9 25
21224 24,540,000 9 25
21227 29,853,700 12 30
21227 29,853,700 12 30
21227 29,853,700 12 30
21227 29,853,700 12 30
21227 29,853,700 12 30
21228 40,143,700 15 40
21228 40,143,700 15 40
21228 40,143,700 15 40
21228 40,143,700 15 40
21229 15,227,900 6 15
21229 15,227,900 6 15
21229 15,227,900 6 15
21229 15,227,900 6 15
21234 33,648,200 13 34
21234 33,648,200 13 34
21234 33,648,200 13 34
21234 33,648,200 13 34
21234 33,648,200 13 34
21234 33,648,200 13 34
21236 22,187,900 9 22
21236 22,187,900 9 22
21236 22,187,900 9 22
21236 22,187,900 9 22
21236 22,187,900 9 22
21236 22,187,900 9 22
21236 22,187,900 9 22
21237 29,708,900 11 30
21237 29,708,900 11 30
21237 29,708,900 11 30
21237 29,708,900 11 30
21237 29,708,900 11 30
21237 29,708,900 11 30
21239 8,375,260 3 8
21239 8,375,260 3 8
21244 34,747,200 13 35
21244 34,747,200 13 35
21244 34,747,200 13 35
21250 634,718 0 1
21252 372,524 0 0
21286 22,060,800 9 22
21286 22,060,800 9 22
21286 22,060,800 9 22

More Counties in Maryland

If you want to search and find zip codes for different counties in Maryland, the list below contains links to each of the 25 Maryland counties we have data for.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

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If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 122 Zip Codes in Baltimore County, Maryland". NameCensus.com. Accessed on December 4, 2022. https://namecensus.com/zip-codes/maryland/baltimore-county/.

  • "List of 122 Zip Codes in Baltimore County, Maryland". NameCensus.com, https://namecensus.com/zip-codes/maryland/baltimore-county/. Accessed 4 December, 2022

  • List of 122 Zip Codes in Baltimore County, Maryland. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/maryland/baltimore-county/.