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
We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.
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!
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<a href="https://namecensus.com/zip-codes/maryland/baltimore-county/">List of 122 Zip Codes in Baltimore County, Maryland</a>
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"List of 122 Zip Codes in Baltimore County, Maryland". NameCensus.com. Accessed on April 23, 2024. https://namecensus.com/zip-codes/maryland/baltimore-county/.
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"List of 122 Zip Codes in Baltimore County, Maryland". NameCensus.com, https://namecensus.com/zip-codes/maryland/baltimore-county/. Accessed 23 April, 2024
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List of 122 Zip Codes in Baltimore County, Maryland. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/maryland/baltimore-county/.