List of ZIP Codes in Frederick County
The following table lists ZIP Codes associated with Frederick County, Maryland, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.
| S.N. | Zip Code | Latitude | Longitude | City | Population | Density |
|---|---|---|---|---|---|---|
| 1 | 21701 | 39.44729 | -77.33512 | Frederick | 41,340 | 402.0 |
| 2 | 21702 | 39.48019 | -77.4578 | Frederick | 47,437 | 439.0 |
| 3 | 21703 | 39.36961 | -77.47088 | Frederick | 41,766 | 503.5 |
| 4 | 21704 | 39.3506 | -77.3735 | Frederick | 19,623 | 284.5 |
| 5 | 21705 | 39.40887 | -77.41002 | Frederick | 4 | 65.3 |
| 6 | 21710 | 39.29652 | -77.44941 | Adamstown | 4,901 | 64.4 |
| 7 | 21714 | 39.41059 | -77.51003 | Braddock Heights | 113 | 98.1 |
| 8 | 21716 | 39.31798 | -77.6262 | Brunswick | 6,757 | 955.4 |
| 9 | 21717 | 39.33865 | -77.43147 | Buckeystown | 296 | 188.7 |
| 10 | 21718 | 39.39343 | -77.62734 | Burkittsville | 142 | 165.2 |
| 11 | 21727 | 39.68865 | -77.33096 | Emmitsburg | 6,079 | 74.9 |
| 12 | 21754 | 39.33684 | -77.31131 | Ijamsville | 7,439 | 131.6 |
| 13 | 21755 | 39.36101 | -77.56887 | Jefferson | 5,740 | 64.6 |
| 14 | 21762 | 39.48058 | -77.24842 | Libertytown | 176 | 152.0 |
| 15 | 21769 | 39.44582 | -77.56489 | Middletown | 12,695 | 122.1 |
| 16 | 21770 | 39.35245 | -77.25791 | Monrovia | 7,815 | 263.5 |
| 17 | 21771 | 39.3955 | -77.15869 | Mount Airy | 32,827 | 141.6 |
| 18 | 21773 | 39.53725 | -77.55301 | Myersville | 5,619 | 59.8 |
| 19 | 21774 | 39.4088 | -77.27844 | New Market | 16,515 | 450.3 |
| 20 | 21777 | 39.27918 | -77.5287 | Point Of Rocks | 2,333 | 816.4 |
| 21 | 21778 | 39.61576 | -77.33754 | Rocky Ridge | 840 | 17.8 |
| 22 | 21780 | 39.67676 | -77.46777 | Sabillasville | 1,814 | 31.7 |
| 23 | 21788 | 39.59429 | -77.41958 | Thurmont | 11,919 | 70.3 |
| 24 | 21790 | 39.25908 | -77.49559 | Tuscarora | 38 | 3.1 |
| 25 | 21791 | 39.54267 | -77.18713 | Union Bridge | 4,734 | 39.7 |
| 26 | 21793 | 39.48963 | -77.34357 | Walkersville | 10,914 | 197.3 |
| 27 | 21798 | 39.53858 | -77.29985 | Woodsboro | 2,765 | 65.5 |
About Frederick County ZIP Codes
Frederick County in Maryland (MD) is served by approximately 27 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.
Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 292,641 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.
Many of the most significant population centers in Frederick County are located in cities such as Frederick, Mount Airy, New Market, Middletown, Thurmont. These cities and towns help define the economic and demographic character of the county.
Most ZIP Codes in Frederick County, Maryland follow the America/New_York time zone.
Maryland Counties ZIP Codes
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