ZIP code 20678
Where is ZIP code 20678?
Prince Frederick, Maryland
Calvert County · Standard ZIP code
ZIP code 20678 belongs to Prince Frederick, Maryland in Calvert County. 20678 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, 301, 410, 443 and 667. About 12,752 people live in the 20678 area, where the median household income is $125,732. The closest ZIP codes are 20610 (Barstow, 1.2 mi southwest), 20676 (Port Republic, 4.2 mi southeast) and 20612 (Benedict, 4.9 mi west).
| ZIP code | 20678 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Prince Frederick |
| Also accepted | Dares Beach, Prnc Frederck |
| State | Maryland (MD) |
| County | Calvert County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 410, 443, 667 |
| Coordinates | 38.5336, -76.5955 map |
| 3-digit prefix | 206 |
Population and income in 20678
| Population | 12,752 · higher than 65% of Maryland ZIP codes |
|---|---|
| People per square mile | 284 · lower than 57% of Maryland ZIP codes |
| Median age | 38.4 years · lower than 70% of Maryland ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $125,732 · higher than 67% of Maryland ZIP codes |
| Income per person | $54,751 |
| Below the poverty line | 7.5% |
| Bachelor’s degree or higher | 30% of adults 25+ |
| Median home value | $455,100 · higher than 60% of Maryland ZIP codes |
| Median rent | $1,388 a month |
| Housing units | 5,183 |
| Households | 4,858 (2.56 people on average) |
| Owners / renters | 78% / 22% |
| Land area | 44.87 sq mi (plus 9.11 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20678. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20678
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20610 | Barstow, MD | 1.2 mi SW | PO Box only |
| 20676 | Port Republic, MD | 4.2 mi SE | Standard |
| 20612 | Benedict, MD | 4.9 mi W | PO Box only |
| 20639 | Huntingtown, MD | 5.3 mi N | Standard |
| 20608 | Aquasco, MD | 7.3 mi NW | Standard |
| 20685 | Saint Leonard, MD | 7.4 mi SE | Standard |
| 20689 | Sunderland, MD | 8 mi N | Standard |
| 20615 | Broomes Island, MD | 8.4 mi S | Standard |
| 20732 | Chesapeake Beach, MD | 9.9 mi N | Standard |
| 20659 | Mechanicsville, MD | 10.1 mi SW | Standard |
| 20637 | Hughesville, MD | 10.1 mi W | Standard |
| 20736 | Owings, MD | 11.2 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20678 or measure the distance to another ZIP code.
How to address mail to 20678
123 MAIN ST
PRINCE FREDERICK MD 20678
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts DARES BEACH and PRNC FREDERCK as the city name for 20678. Avoid Pr Frederick: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (20678-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20678?
- 20678 is a Prince Frederick, Maryland ZIP code. Dares Beach and Prnc Frederck are also accepted as the city name.
- What county is 20678 in?
- ZIP code 20678 is in Calvert County, Maryland.
- What time zone is ZIP code 20678 in?
- 20678 is in the Eastern Time zone (America/New_York).
- What area code is 20678?
- Phone numbers in ZIP code 20678 use area codes 227, 240, 301, 410, 443 and 667.
- What is the population of ZIP code 20678?
- About 12,752 people live in ZIP code 20678, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20678?
- The median household income in 20678 is $125,732 a year, higher than 67% of Maryland ZIP codes.
- What ZIP codes are near 20678?
- The nearest ZIP codes to 20678 are 20610 (Barstow, 1.2 miles), 20676 (Port Republic, 4.2 miles), 20612 (Benedict, 4.9 miles) and 20639 (Huntingtown, 5.3 miles).