Data Last Updated: August 1, 2021

FREDERICK County, MD ZIP Codes

FREDERICK County, MD Covers 31 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 21701	General	Frederick	35,293	Eastern	240/301
ZIP Code 21702	General	Frederick	38,847	Eastern	240/301
ZIP Code 21703	General	Frederick	32,854	Eastern	240/301
ZIP Code 21704	General	Frederick	13,321	Eastern	240/301
ZIP Code 21705	P.O. Box	Frederick	8	Eastern	240/301
ZIP Code 21709	Unique	Frederick	0	Eastern	240/301
ZIP Code 21710	General	Adamstown	4,515	Eastern	240/301
ZIP Code 21714	P.O. Box	Braddock Heights	99	Eastern	240/301
ZIP Code 21716	General	Brunswick	4,885	Eastern	301/240
ZIP Code 21717	P.O. Box	Buckeystown	54	Eastern	240/301
ZIP Code 21718	General	Burkittsville	151	Eastern	240/301
ZIP Code 21727	General	Emmitsburg	5,850	Eastern	240/301
ZIP Code 21754	General	Ijamsville	6,323	Eastern	240
ZIP Code 21755	General	Jefferson	5,591	Eastern	301/240
ZIP Code 21758	General	Knoxville	4,921	Eastern	240/301
ZIP Code 21759	P.O. Box	Ladiesburg	0	Eastern	301/240
ZIP Code 21762	P.O. Box	Libertytown	249	Eastern	240/301
ZIP Code 21769	General	Middletown	11,236	Eastern	240/301
ZIP Code 21770	General	Monrovia	5,164	Eastern	240/301
ZIP Code 21771	General	Mount Airy	29,563	Eastern	240/301
ZIP Code 21773	General	Myersville	5,460	Eastern	301/240
ZIP Code 21774	General	New Market	11,662	Eastern	301
ZIP Code 21775	P.O. Box	New Midway	0	Eastern	301/240
ZIP Code 21777	General	Point Of Rocks	1,470	Eastern	240/301
ZIP Code 21778	General	Rocky Ridge	1,094	Eastern	240/301
ZIP Code 21780	General	Sabillasville	1,625	Eastern	240/301
ZIP Code 21788	General	Thurmont	11,622	Eastern	240/301
ZIP Code 21790	General	Tuscarora	100	Eastern	240/301
ZIP Code 21792	P.O. Box	Unionville	0	Eastern	301
ZIP Code 21793	General	Walkersville	9,775	Eastern	301/240
ZIP Code 21798	General	Woodsboro	2,345	Eastern	301/240

Timezone(s):	Eastern

Population:	233,385 (More Details)
Male Population:	114,806
Female Population:	118,579
Median Age:	39

ZIP Codes:	31
Cities:	26
Counties:	1
Area Codes:	0

Total Area:	667 square miles (county)
Land Area:	660 square miles (county)
Water Area:	7 square miles (county)

Load County Map

FREDERICK, MD Demographic Information

* Demographic data is based on 2010 Census.

Total population of FREDERICK County, MD	233,385
Male population of FREDERICK County, MD	114,806
Female population of FREDERICK County, MD	118,579
Median age (years)	38.6
White Population	190,306
Black Population	20,148
Indian Population	730
Asian Population	8,946
Hawaiian Population	107
Hispanic Population	17,135
Median age (Male)	37.6
Median age (Female)	39.4
Total households	84,800
Family households (families)	61,198
Average household size for FREDERICK County, MD	2.7
Average family size of FREDERICK County, MD	3.17
Total housing units for FREDERICK County, MD	90,136

FREDERICK County, MD ZIP Codes

FREDERICK County, MD Covers 31 ZIP Codes

FREDERICK, MD Demographic Information

FREDERICK County, MD Covers 26 Cities