ZIP code 20778
Where is ZIP code 20778?
West River, Maryland
Anne Arundel County · Standard ZIP code
ZIP code 20778 belongs to West River, Maryland in Anne Arundel County. 20778 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 2,211 people live in the 20778 area, where the median household income is $205,974. The closest ZIP codes are 20765 (Galesville, 1.4 mi north), 20764 (Shady Side, 1.7 mi northeast) and 20733 (Churchton, 1.8 mi southeast).
| ZIP code | 20778 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | West River |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 410, 443, 667 |
| Coordinates | 38.8252, -76.5391 map |
| 3-digit prefix | 207 |
Population and income in 20778
| Population | 2,211 · lower than 64% of Maryland ZIP codes |
|---|---|
| People per square mile | 289 · lower than 56% of Maryland ZIP codes |
| Median age | 47.7 years · higher than 76% of Maryland ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $205,974 · higher than 95% of Maryland ZIP codes |
| Income per person | $66,972 |
| Below the poverty line | 0.8% |
| Bachelor’s degree or higher | 50% of adults 25+ |
| Median home value | $716,500 · higher than 91% of Maryland ZIP codes |
| Housing units | 747 |
| Households | 729 (3.03 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 7.64 sq mi (plus 0.75 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20778. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20778
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20765 | Galesville, MD | 1.4 mi N | PO Box only |
| 20764 | Shady Side, MD | 1.7 mi NE | Standard |
| 20733 | Churchton, MD | 1.8 mi SE | Standard |
| 20751 | Deale, MD | 3 mi S | Standard |
| 20779 | Tracys Landing, MD | 4.5 mi SW | Standard |
| 21106 | Mayo, MD | 4.6 mi N | PO Box only |
| 20776 | Harwood, MD | 4.7 mi NW | Standard |
| 21037 | Edgewater, MD | 6.2 mi N | Standard |
| 20758 | Friendship, MD | 6.6 mi S | Standard |
| 20711 | Lothian, MD | 6.8 mi W | Standard |
| 20714 | North Beach, MD | 7.8 mi S | Standard |
| 20754 | Dunkirk, MD | 8.1 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20778 or measure the distance to another ZIP code.
How to address mail to 20778
123 MAIN ST
WEST RIVER MD 20778
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20778-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20778?
- 20778 is a West River, Maryland ZIP code.
- What county is 20778 in?
- ZIP code 20778 is in Anne Arundel County, Maryland.
- What time zone is ZIP code 20778 in?
- 20778 is in the Eastern Time zone (America/New_York).
- What area code is 20778?
- Phone numbers in ZIP code 20778 use area codes 227, 240, 301, 410, 443 and 667.
- What is the population of ZIP code 20778?
- About 2,211 people live in ZIP code 20778, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20778?
- The median household income in 20778 is $205,974 a year, higher than 95% of Maryland ZIP codes.
- What ZIP codes are near 20778?
- The nearest ZIP codes to 20778 are 20765 (Galesville, 1.4 miles), 20764 (Shady Side, 1.7 miles), 20733 (Churchton, 1.8 miles) and 20751 (Deale, 3 miles).