ZIP code 21040
Where is ZIP code 21040?
Edgewood, Maryland
Harford County · Standard ZIP code
ZIP code 21040 belongs to Edgewood, Maryland in Harford County. 21040 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 24,960 people live in the 21040 area, where the median household income is $81,704. The closest ZIP codes are 21085 (Joppa, 2.6 mi west), 21010 (Gunpowder, 2.6 mi southeast) and 21009 (Abingdon, 3.2 mi north).
| ZIP code | 21040 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Edgewood |
| State | Maryland (MD) |
| County | Harford County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.4277, -76.3055 map |
| 3-digit prefix | 210 |
Population and income in 21040
| Population | 24,960 · higher than 77% of Maryland ZIP codes |
|---|---|
| People per square mile | 2,543 · higher than 79% of Maryland ZIP codes |
| Median age | 36.4 years · lower than 82% of Maryland ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $81,704 · lower than 76% of Maryland ZIP codes |
| Income per person | $36,347 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 23% of adults 25+ |
| Median home value | $238,000 · lower than 86% of Maryland ZIP codes |
| Median rent | $1,360 a month |
| Housing units | 10,241 |
| Households | 9,795 (2.54 people on average) |
| Owners / renters | 71% / 29% |
| Land area | 9.81 sq mi (plus 1.16 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21040. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21040
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21085 | Joppa, MD | 2.6 mi W | Standard |
| 21010 | Gunpowder, MD | 2.6 mi SE | Standard |
| 21009 | Abingdon, MD | 3.2 mi N | Standard |
| 21017 | Belcamp, MD | 4.7 mi NE | Standard |
| 21156 | Upper Falls, MD | 4.9 mi W | Standard |
| 21027 | Chase, MD | 5.7 mi SW | PO Box only |
| 21130 | Perryman, MD | 5.9 mi NE | PO Box only |
| 21087 | Kingsville, MD | 6.1 mi W | Standard |
| 21162 | White Marsh, MD | 6.2 mi SW | Standard |
| 21018 | Benson, MD | 7.1 mi NW | PO Box only |
| 21015 | Bel Air, MD | 7.1 mi N | Standard |
| 21128 | Perry Hall, MD | 8 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21040 or measure the distance to another ZIP code.
How to address mail to 21040
123 MAIN ST
EDGEWOOD MD 21040
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21040-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21040?
- 21040 is a Edgewood, Maryland ZIP code.
- What county is 21040 in?
- ZIP code 21040 is in Harford County, Maryland.
- What time zone is ZIP code 21040 in?
- 21040 is in the Eastern Time zone (America/New_York).
- What area code is 21040?
- Phone numbers in ZIP code 21040 use area codes 410, 443 and 667.
- What is the population of ZIP code 21040?
- About 24,960 people live in ZIP code 21040, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21040?
- The median household income in 21040 is $81,704 a year, lower than 76% of Maryland ZIP codes.
- What ZIP codes are near 21040?
- The nearest ZIP codes to 21040 are 21085 (Joppa, 2.6 miles), 21010 (Gunpowder, 2.6 miles), 21009 (Abingdon, 3.2 miles) and 21017 (Belcamp, 4.7 miles).