ZIP code 21703
Where is ZIP code 21703?
Frederick, Maryland
Frederick County · Standard ZIP code
ZIP code 21703 belongs to Frederick, Maryland in Frederick County. 21703 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 41,960 people live in the 21703 area, where the median household income is $106,334. The closest ZIP codes are 21717 (Buckeystown, 3 mi southeast), 21755 (Jefferson, 4.3 mi west) and 21714 (Braddock Heights, 4.4 mi northwest).
| ZIP code | 21703 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Frederick |
| State | Maryland (MD) |
| County | Frederick County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.3647, -77.4636 map |
| 3-digit prefix | 217 |
Population and income in 21703
| Population | 41,960 · higher than 92% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,310 · higher than 68% of Maryland ZIP codes |
| Median age | 34.6 years · lower than 88% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $106,334 · higher than 50% of Maryland ZIP codes |
| Income per person | $45,809 |
| Below the poverty line | 8.6% |
| Bachelor’s degree or higher | 43% of adults 25+ |
| Median home value | $384,600 · lower than 58% of Maryland ZIP codes |
| Median rent | $1,991 a month |
| Housing units | 16,069 |
| Households | 15,517 (2.69 people on average) |
| Owners / renters | 67% / 34% |
| Land area | 32.03 sq mi (plus 0.04 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21703. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21703
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21717 | Buckeystown, MD | 3 mi SE | PO Box only |
| 21755 | Jefferson, MD | 4.3 mi W | Standard |
| 21714 | Braddock Heights, MD | 4.4 mi NW | PO Box only |
| 21705 | Frederick, MD | 4.4 mi NE | PO Box only |
| 21704 | Frederick, MD | 4.5 mi E | Standard |
| 21710 | Adamstown, MD | 5.1 mi S | Standard |
| 21777 | Point Of Rocks, MD | 7 mi SW | Standard |
| 21769 | Middletown, MD | 7 mi NW | Standard |
| 21790 | Tuscarora, MD | 7.2 mi S | Standard |
| 21709 | Frederick, MD | 8.2 mi NE | Unique |
| 21702 | Frederick, MD | 8.8 mi N | Standard |
| 21701 | Frederick, MD | 8.9 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21703 or measure the distance to another ZIP code.
How to address mail to 21703
123 MAIN ST
FREDERICK MD 21703
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21703-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 21703?
- 21703 is a Frederick, Maryland ZIP code.
- What county is 21703 in?
- ZIP code 21703 is in Frederick County, Maryland.
- What time zone is ZIP code 21703 in?
- 21703 is in the Eastern Time zone (America/New_York).
- What area code is 21703?
- Phone numbers in ZIP code 21703 use area codes 227, 240 and 301.
- What is the population of ZIP code 21703?
- About 41,960 people live in ZIP code 21703, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21703?
- The median household income in 21703 is $106,334 a year, higher than 50% of Maryland ZIP codes.
- What ZIP codes are near 21703?
- The nearest ZIP codes to 21703 are 21717 (Buckeystown, 3 miles), 21755 (Jefferson, 4.3 miles), 21714 (Braddock Heights, 4.4 miles) and 21705 (Frederick, 4.4 miles).