ZIP code 21001
Where is ZIP code 21001?
Aberdeen, Maryland
Harford County · Standard ZIP code
ZIP code 21001 belongs to Aberdeen, Maryland in Harford County. 21001 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 410, 443 and 667. About 27,168 people live in the 21001 area, where the median household income is $83,238. The closest ZIP codes are 21130 (Perryman, 3.2 mi southwest), 21005 (Aberdeen Proving Ground, 3.9 mi southeast) and 21017 (Belcamp, 4.1 mi southwest).
| ZIP code | 21001 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Aberdeen |
| State | Maryland (MD) |
| County | Harford County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.5109, -76.1805 map |
| 3-digit prefix | 210 |
Population and income in 21001
| Population | 27,168 · higher than 80% of Maryland ZIP codes |
|---|---|
| People per square mile | 907 · higher than 64% of Maryland ZIP codes |
| Median age | 37.7 years · lower than 74% of Maryland ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $83,238 · lower than 73% of Maryland ZIP codes |
| Income per person | $41,898 |
| Below the poverty line | 13% |
| Bachelor’s degree or higher | 28% of adults 25+ |
| Median home value | $285,800 · lower than 79% of Maryland ZIP codes |
| Median rent | $1,442 a month |
| Housing units | 11,610 |
| Households | 11,204 (2.42 people on average) |
| Owners / renters | 63% / 37% |
| Land area | 29.96 sq mi (plus 1.48 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21001. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21001
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21130 | Perryman, MD | 3.2 mi SW | PO Box only |
| 21005 | Aberdeen Proving Ground, MD | 3.9 mi SE | Standard |
| 21017 | Belcamp, MD | 4.1 mi SW | Standard |
| 21078 | Havre De Grace, MD | 4.4 mi NE | Standard |
| 21028 | Churchville, MD | 5.2 mi NW | Standard |
| 21902 | Perry Point, MD | 6.4 mi NE | PO Box only |
| 21009 | Abingdon, MD | 6.8 mi W | Standard |
| 21015 | Bel Air, MD | 7.3 mi W | Standard |
| 21903 | Perryville, MD | 7.5 mi NE | Standard |
| 21040 | Edgewood, MD | 8.8 mi SW | Standard |
| 21010 | Gunpowder, MD | 9.3 mi SW | Standard |
| 21904 | Port Deposit, MD | 9.5 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21001 or measure the distance to another ZIP code.
How to address mail to 21001
123 MAIN ST
ABERDEEN MD 21001
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21001-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21001?
- 21001 is a Aberdeen, Maryland ZIP code.
- What county is 21001 in?
- ZIP code 21001 is in Harford County, Maryland.
- What time zone is ZIP code 21001 in?
- 21001 is in the Eastern Time zone (America/New_York).
- What area code is 21001?
- Phone numbers in ZIP code 21001 use area codes 410, 443 and 667.
- What is the population of ZIP code 21001?
- About 27,168 people live in ZIP code 21001, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21001?
- The median household income in 21001 is $83,238 a year, lower than 73% of Maryland ZIP codes.
- What ZIP codes are near 21001?
- The nearest ZIP codes to 21001 are 21130 (Perryman, 3.2 miles), 21005 (Aberdeen Proving Ground, 3.9 miles), 21017 (Belcamp, 4.1 miles) and 21078 (Havre De Grace, 4.4 miles).