100 Largest ZIP Codes in the United States by Population in Frederick County, Maryland

Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Frederick County, Maryland.

Rank	ZIP Code	City	State	Population
1	21702	FREDERICK	MD	46,596
2	21701	FREDERICK	MD	40,787
3	21703	FREDERICK	MD	39,606
4	21704	FREDERICK	MD	18,473
5	21774	NEW MARKET	MD	15,096
6	21769	MIDDLETOWN	MD	12,562
7	21788	THURMONT	MD	11,412
8	21793	WALKERSVILLE	MD	10,882
9	21770	MONROVIA	MD	7,786
10	21754	IJAMSVILLE	MD	7,260
11	21716	BRUNSWICK	MD	6,630
12	21727	EMMITSBURG	MD	6,588
13	21755	JEFFERSON	MD	5,706
14	21773	MYERSVILLE	MD	5,553
15	21710	ADAMSTOWN	MD	4,988
16	21758	KNOXVILLE	MD	4,610
17	21757	KEYMAR	MD	2,722
18	21798	WOODSBORO	MD	2,699
19	21777	POINT OF ROCKS	MD	2,360
20	21780	SABILLASVILLE	MD	1,975
21	21778	ROCKY RIDGE	MD	880
22	21714	BRADDOCK HEIGHTS	MD	272
23	21717	BUCKEYSTOWN	MD	209
24	21762	LIBERTYTOWN	MD	176
25	21718	BURKITTSVILLE	MD	143
26	21705	FREDERICK	MD	5