ZIP code 21904
Where is ZIP code 21904?
Port Deposit, Maryland
Cecil County · Standard ZIP code
ZIP code 21904 belongs to Port Deposit, Maryland in Cecil County. 21904 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 6,233 people live in the 21904 area, where the median household income is $88,136. The closest ZIP codes are 21903 (Perryville, 3.5 mi south), 21917 (Colora, 4.1 mi northwest) and 21902 (Perry Point, 4.3 mi south).
| ZIP code | 21904 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Port Deposit |
| Also accepted | Bainbridge |
| State | Maryland (MD) |
| County | Cecil County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.6151, -76.0633 map |
| 3-digit prefix | 219 |
Population and income in 21904
| Population | 6,233 · higher than 53% of Maryland ZIP codes |
|---|---|
| People per square mile | 264 · lower than 59% of Maryland ZIP codes |
| Median age | 39.7 years · lower than 63% of Maryland ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $88,136 · lower than 65% of Maryland ZIP codes |
| Income per person | $41,351 |
| Below the poverty line | 7.7% |
| Bachelor’s degree or higher | 28% of adults 25+ |
| Median home value | $333,500 · lower than 71% of Maryland ZIP codes |
| Median rent | $1,422 a month |
| Housing units | 2,622 |
| Households | 2,269 (2.74 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 23.6 sq mi (plus 2.53 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21904. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21904
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21903 | Perryville, MD | 3.5 mi S | Standard |
| 21917 | Colora, MD | 4.1 mi NW | Standard |
| 21902 | Perry Point, MD | 4.3 mi S | PO Box only |
| 21911 | Rising Sun, MD | 5.1 mi N | Standard |
| 21078 | Havre De Grace, MD | 5.2 mi SW | Standard |
| 21914 | Charlestown, MD | 5.3 mi SE | PO Box only |
| 21901 | North East, MD | 5.9 mi E | Standard |
| 21918 | Conowingo, MD | 6.6 mi NW | Standard |
| 19362 | Nottingham, PA | 9 mi N | Standard |
| 21034 | Darlington, MD | 9.2 mi W | Standard |
| 21001 | Aberdeen, MD | 9.5 mi SW | Standard |
| 21005 | Aberdeen Proving Ground, MD | 10 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21904 or measure the distance to another ZIP code.
How to address mail to 21904
123 MAIN ST
PORT DEPOSIT MD 21904
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts BAINBRIDGE as the city name for 21904. Adding the 4-digit ZIP+4 code (21904-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21904?
- 21904 is a Port Deposit, Maryland ZIP code. Bainbridge is also accepted as the city name.
- What county is 21904 in?
- ZIP code 21904 is in Cecil County, Maryland.
- What time zone is ZIP code 21904 in?
- 21904 is in the Eastern Time zone (America/New_York).
- What area code is 21904?
- Phone numbers in ZIP code 21904 use area codes 410, 443 and 667.
- What is the population of ZIP code 21904?
- About 6,233 people live in ZIP code 21904, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21904?
- The median household income in 21904 is $88,136 a year, lower than 65% of Maryland ZIP codes.
- What ZIP codes are near 21904?
- The nearest ZIP codes to 21904 are 21903 (Perryville, 3.5 miles), 21917 (Colora, 4.1 miles), 21902 (Perry Point, 4.3 miles) and 21911 (Rising Sun, 5.1 miles).