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

Explore the 100 smallest 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	21705	FREDERICK	MD	5
2	21718	BURKITTSVILLE	MD	143
3	21762	LIBERTYTOWN	MD	176
4	21717	BUCKEYSTOWN	MD	209
5	21714	BRADDOCK HEIGHTS	MD	272
6	21778	ROCKY RIDGE	MD	880
7	21780	SABILLASVILLE	MD	1,975
8	21777	POINT OF ROCKS	MD	2,360
9	21798	WOODSBORO	MD	2,699
10	21757	KEYMAR	MD	2,722
11	21758	KNOXVILLE	MD	4,610
12	21710	ADAMSTOWN	MD	4,988
13	21773	MYERSVILLE	MD	5,553
14	21755	JEFFERSON	MD	5,706
15	21727	EMMITSBURG	MD	6,588
16	21716	BRUNSWICK	MD	6,630
17	21754	IJAMSVILLE	MD	7,260
18	21770	MONROVIA	MD	7,786
19	21793	WALKERSVILLE	MD	10,882
20	21788	THURMONT	MD	11,412
21	21769	MIDDLETOWN	MD	12,562
22	21774	NEW MARKET	MD	15,096
23	21704	FREDERICK	MD	18,473
24	21703	FREDERICK	MD	39,606
25	21701	FREDERICK	MD	40,787
26	21702	FREDERICK	MD	46,596