ZIP code 20778: West River, MD
20778 is a ZIP code in West River, Maryland, mainly in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metro area. About 2,211 people live here.
- Population
- 2,211
- Median household income
- $205,974
- Typical home value
- $656,400+1.9% in 12 months
- Median rent
- —gross, per month
- Median age
- 47.7
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 20778's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 20778 details
| City | West River |
|---|---|
| State | Maryland |
| County | Anne Arundel County |
| Metro area | Baltimore-Columbia-Towson, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 7.6 sq mi, plus 0.8 sq mi of water |
| Population density | 289 people per sq mi |
| Bachelor's degree or higher | 49.9% of adults 25+ |
| Average commute | 30.9 minutes |
| Center coordinates | 38.82870, -76.57275 |
ZIP codes near 20778
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 20765 | Galesville, MD | 1.8 mi | 668 |
| 20751 | Deale, MD | 2.4 mi | 2,851 |
| 20733 | Churchton, MD | 2.7 mi | 2,669 |
| 20776 | Harwood, MD | 3.6 mi | 3,315 |
| 20764 | Shady Side, MD | 3.7 mi | 2,993 |
| 20711 | Lothian, MD | 4.3 mi | 7,731 |
| 20779 | Tracys Landing, MD | 4.8 mi | 883 |
| 21106 | Mayo, MD | 5.2 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 20778?
A typical home in ZIP code 20778 is worth about $656,400 (Zillow Home Value Index). The median household here earns $205,974 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $656,400 homeWhat can a $205,974 income afford?Rental property numbers
About ZIP code 20778
What city is ZIP code 20778?
ZIP code 20778 is in West River, MD, in Anne Arundel County.
What county is ZIP code 20778 in?
20778 is mainly in Anne Arundel County, Maryland.
What is the population of ZIP code 20778?
About 2,211 people live in ZIP code 20778, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 20778 in?
20778 is in Eastern Time (UTC−5). It observes daylight saving time.