FREDERICK, MD ZIP Code
| City | FREDERICK | 
| State | Maryland | 
| ZIP Codes count | 6 (see all) | 
| Post offices count | 2 (see all) | 
| Total population | 70,166 (see all) | 
ZIP Codes in FREDERICK, Maryland
The ZIP Codes in FREDERICK, Maryland fall within the range from 21701 to 21709. FREDERICK is covered by 6 ZIP Codes: 4 Standard, 1 Unique and 1 PO Box. Below is the complete list:
21701, 21702, 21703, 21704, 21705, 21709
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of FREDERICK, MD ZIP Codes
| ZIP | TYPE | POPU | 
|---|---|---|
| 21701 | STANDARD | 40,203 | 
| 21702 | STANDARD | 44,783 | 
| 21703 | STANDARD | 39,438 | 
| 21704 | STANDARD | 17,372 | 
| 21705 | PO BOX | 6 | 
| 21709 | UNIQUE | – | 
Post offices
| COLLEGE ESTATES — Post Office™ 1301 W 7TH ST FREDERICK, MD 21702-9921 | 
| FREDERICK — Post Office™ 201 E PATRICK ST FREDERICK, MD 21701-9998 | 
Envelope example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.
Address example
6636 GOOSEANDER CT
FREDERICK MD 21703-9535
FREDERICK MD 21703-9535
869 LONDON CT
FREDERICK MD 21701-4446
FREDERICK MD 21701-4446
2 MOUNTAINGATE DR
FREDERICK MD 21703-6026
FREDERICK MD 21703-6026
350 PEARSON BLVD
FREDERICK MD 21702-3392
FREDERICK MD 21702-3392
5625 ROCKLEDGE CT
FREDERICK MD 21703-9493
FREDERICK MD 21703-9493
3555 SHADY PINES LN
FREDERICK MD 21704-6763
FREDERICK MD 21704-6763
Map
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Census data for FREDERICK, MD
Demographic and housing estimates in FREDERICK, MD
| Total population | 70,166 | 
| Male | 33,949 | 
| Female | 36,217 | 
| Total population | 70,166 | 
| Under 5 years | 4,747 | 
| 5 to 9 years | 4,405 | 
| 10 to 14 years | 4,395 | 
| 15 to 19 years | 4,155 | 
| 20 to 24 years | 5,099 | 
| 25 to 34 years | 12,008 | 
| 35 to 44 years | 9,577 | 
| 45 to 54 years | 9,209 | 
| 55 to 59 years | 4,588 | 
| 60 to 64 years | 3,381 | 
| 65 to 74 years | 4,956 | 
| 75 to 84 years | 2,303 | 
| 85 years and over | 1,343 | 
| Median age (years) | 35.3 | 
| Under 18 years | 16,067 | 
| 16 years and over | 55,647 | 
| 18 years and over | 54,099 | 
| 21 years and over | 51,441 | 
| 62 years and over | 10,777 | 
| 65 years and over | 8,602 | 
| Total population | 70,166 | 
| One race | 67,123 | 
| White | 47,978 | 
| Black or African American | 12,909 | 
| American Indian and Alaska Native | 213 | 
| Asian | 4,272 | 
| Native Hawaiian and Other Pacific Islander | 26 | 
| Some other race | 1,725 | 
| Two or more races | 3,043 | 
| Citizen, VOTING AGE 18 and over population | 47,170 | 
| Male Citizen, VOTING AGE 18 and over population | 22,472 | 
| Female Citizen, VOTING AGE 18 and over population | 24,698 | 
Social characteristics in FREDERICK, MD
| Total households | 27,180 | 
| Family households (families) | 16,594 | 
| Married-couple family | 12,024 | 
| Male householder, no wife present, family | 1,346 | 
| Female householder, no husband present, family | 3,224 | 
| Nonfamily households | 10,586 | 
| Average household size | 2.51 | 
| Average family size | 3.15 | 
Economic characteristics in FREDERICK, MD
| Total households | 27,180 | 
| Less than $10,000 | 1,133 | 
| $10,000 to $14,999 | 862 | 
| $15,000 to $24,999 | 1,541 | 
| $25,000 to $34,999 | 1,809 | 
| $35,000 to $49,999 | 3,650 | 
| $50,000 to $74,999 | 5,222 | 
| $75,000 to $99,999 | 3,956 | 
| $100,000 to $149,999 | 5,040 | 
| $150,000 to $199,999 | 2,183 | 
| $200,000 or more | 1,784 | 
| Median household income (dollars) | 72,088 | 
Housing characteristics in FREDERICK, MD
| Total housing units | 28,971 | 
| Occupied housing units | 27,180 | 
| Vacant housing units | 1,791 | 
| Total housing units | 28,971 | 
| 1-unit, detached | 9,376 | 
| 1-unit, attached | 9,238 | 
| 2 units | 647 | 
| 3 or 4 units | 877 | 
| 5 to 9 units | 2,224 | 
| 10 to 19 units | 4,326 | 
| 20 or more units | 2,262 | 
| Mobile home | 21 | 
| Boat, RV, van, etc. | 0 | 
| Total housing units | 28,971 | 
| Built 2014 or later | 559 | 
| Built 2010 to 2013 | 1,069 | 
| Built 2000 to 2009 | 5,081 | 
| Built 1990 to 1999 | 6,274 | 
| Built 1980 to 1989 | 5,147 | 
| Built 1970 to 1979 | 3,344 | 
| Built 1960 to 1969 | 1,477 | 
| Built 1950 to 1959 | 1,432 | 
| Built 1940 to 1949 | 729 | 
| Built 1939 or earlier | 3,859 | 
| Total housing units | 28,971 | 
| 1 room | 445 | 
| 2 rooms | 587 | 
| 3 rooms | 2,318 | 
| 4 rooms | 4,808 | 
| 5 rooms | 4,689 | 
| 6 rooms | 5,184 | 
| 7 rooms | 3,955 | 
| 8 rooms | 2,694 | 
| 9 rooms or more | 4,291 | 
| Median rooms | 5.8 | 
| Total housing units | 28,971 | 
| No bedroom | 528 | 
| 1 bedroom | 3,380 | 
| 2 bedrooms | 7,800 | 
| 3 bedrooms | 10,566 | 
| 4 bedrooms | 5,721 | 
| 5 or more bedrooms | 976 | 
| Occupied housing units | 27,180 | 
| Owner-occupied | 15,437 | 
| Renter-occupied | 11,743 | 
| Average household size of owner-occupied unit | 2.61 | 
| Average household size of renter-occupied unit | 2.38 | 
| Occupied housing units | 27,180 | 
| Moved in 2017 or later | 1,947 | 
| Moved in 2015 to 2016 | 4,393 | 
| Moved in 2010 to 2014 | 9,382 | 
| Moved in 2000 to 2009 | 7,271 | 
| Moved in 1990 to 1999 | 2,742 | 
| Moved in 1989 and earlier | 1,445 | 
| Owner-occupied units | 15,437 | 
| Less than $50,000 | 235 | 
| $50,000 to $99,999 | 225 | 
| $100,000 to $149,999 | 1,015 | 
| $150,000 to $199,999 | 2,186 | 
| $200,000 to $299,999 | 6,124 | 
| $300,000 to $499,999 | 4,676 | 
| $500,000 to $999,999 | 902 | 
| $1,000,000 or more | 74 | 
| Median (dollars) | 265,500 | 
| Owner-occupied units | 15,437 | 
| Housing units with a mortgage | 12,031 | 
| Housing units without a mortgage | 3,406 | 
| Occupied units paying rent | 11,498 | 
| Less than $500 | 679 | 
| $500 to $999 | 1,374 | 
| $1,000 to $1,499 | 5,086 | 
| $1,500 to $1,999 | 3,115 | 
| $2,000 to $2,499 | 848 | 
| $2,500 to $2,999 | 266 | 
| $3,000 or more | 130 | 
| Median (dollars) | 1,351 | 
| No rent paid | 245 | 
Data is based on 2018 Census
ZIP Codes for other locations
State for FREDERICK
Maryland ZIP CodesOther cities in Maryland