ZIP code 21702
Where is ZIP code 21702?
Frederick, Maryland
Frederick County · Standard ZIP code
ZIP code 21702 belongs to Frederick, Maryland in Frederick County. 21702 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 227, 240 and 301. About 49,605 people live in the 21702 area, where the median household income is $106,983. The closest ZIP codes are 21709 (Frederick, 4 mi southeast), 21773 (Myersville, 5.4 mi northwest) and 21714 (Braddock Heights, 5.5 mi southwest).
| ZIP code | 21702 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Frederick |
| Also accepted | Fort Detrick |
| State | Maryland (MD) |
| County | Frederick County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.4926, -77.4612 map |
| 3-digit prefix | 217 |
Population and income in 21702
| Population | 49,605 · higher than 96% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,189 · higher than 68% of Maryland ZIP codes |
| Median age | 38.1 years · lower than 72% of Maryland ZIP codes |
| Men / women | 49% / 52% |
| Median household income | $106,983 · higher than 52% of Maryland ZIP codes |
| Income per person | $50,065 |
| Below the poverty line | 8.9% |
| Bachelor’s degree or higher | 41% of adults 25+ |
| Median home value | $426,300 · higher than 52% of Maryland ZIP codes |
| Median rent | $1,770 a month |
| Housing units | 19,462 |
| Households | 18,525 (2.63 people on average) |
| Owners / renters | 65% / 35% |
| Land area | 41.72 sq mi (plus 0.11 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21702. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21702
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21709 | Frederick, MD | 4 mi SE | Unique |
| 21773 | Myersville, MD | 5.4 mi NW | Standard |
| 21714 | Braddock Heights, MD | 5.5 mi SW | PO Box only |
| 21769 | Middletown, MD | 5.9 mi SW | Standard |
| 21705 | Frederick, MD | 6 mi SE | PO Box only |
| 21793 | Walkersville, MD | 6.1 mi E | Standard |
| 21701 | Frederick, MD | 7.5 mi SE | Standard |
| 21788 | Thurmont, MD | 8.8 mi N | Standard |
| 21703 | Frederick, MD | 8.8 mi S | Standard |
| 21798 | Woodsboro, MD | 9.1 mi E | Standard |
| 21755 | Jefferson, MD | 9.8 mi SW | Standard |
| 21775 | New Midway, MD | 10.2 mi NE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21702 or measure the distance to another ZIP code.
How to address mail to 21702
123 MAIN ST
FREDERICK MD 21702
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts FORT DETRICK as the city name for 21702. Avoid College Estates: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (21702-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Frederick, MD
All Frederick ZIP codes with population and income →
Questions
- What city is ZIP code 21702?
- 21702 is a Frederick, Maryland ZIP code. Fort Detrick is also accepted as the city name.
- What county is 21702 in?
- ZIP code 21702 is in Frederick County, Maryland.
- What time zone is ZIP code 21702 in?
- 21702 is in the Eastern Time zone (America/New_York).
- What area code is 21702?
- Phone numbers in ZIP code 21702 use area codes 227, 240 and 301.
- What is the population of ZIP code 21702?
- About 49,605 people live in ZIP code 21702, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21702?
- The median household income in 21702 is $106,983 a year, higher than 52% of Maryland ZIP codes.
- What ZIP codes are near 21702?
- The nearest ZIP codes to 21702 are 21709 (Frederick, 4 miles), 21773 (Myersville, 5.4 miles), 21714 (Braddock Heights, 5.5 miles) and 21769 (Middletown, 5.9 miles).