US ZIP Code
20778

West River, MD

Anne Arundel County  ·  Maryland

● Active
👥 2,243 Population ↑ 8% since 2019
💰 $177,083 Median HH Income
▲ 132% above avg ↑ 24% since 2019
🎂 47.4 Median Age
🏠 $718,100 Median Home Value
▲ 158% above avg ↑ 35% since 2019
🎓 47.3% College Grads
▲ 22% above avg
📊 3.2% Unemployment
▼ 35% below avg ↑ 32% since 2019
ZIP Code Details
ZIP Code20778
CityWest River
StateMaryland (MD)
CountyAnne Arundel County
Area Code410/443/667
Elevation97 ft
Latitude38.828701
Longitude-76.572747
TimezoneNew York (DST)
FIPS24003
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.8% (1,118) Female 50.2% (1,125) ♀

Race & Ethnicity

White: 86%Hispanic: 13.3%Black: 0.4%Other: 0.3%Race
White86.0%
Hispanic13.3%
Black0.4%
Other0.3%

Age Breakdown

Under 5
4%
5–17
20%
18–24
8%
25–44
14%
45–64
36%
65+
8%

Key Indicators

Median Age47.4 yrs
Avg Household Size3.03
Below Poverty0.9% ▼ 92% below avg
College Grads47.3% ▲ 22% above avg
Unemployment3.2% ▼ 35% below avg
No HS Diploma14 (0.9%)
HS Graduate417 (27.9%)
Some College124 (8.3%)
Associates234 (15.6%)
Bachelors49 (3.3%)
Graduate Degree659 (44%)

Education

No HS: 0.9%HS Grad: 27.9%Some College: 8.3%Associates: 15.6%Bachelors: 3.3%Graduate: 44%Edu
No HS0.9%
HS Grad27.9%
Some College8.3%
Associates15.6%
Bachelors3.3%
Graduate44.0%
Housing & Income

Housing Tenure

Owner: 98.2%Renter: 1.8%Tenure
Owner98.2%
Renter1.8%

Home Value Distribution

Under $50k
3%
$150k–200k
3%
$300k–500k
21%
Over $500k
74%

Financials

Median HH Income$177,083 ▲ 132% above avg ↑ 24% since 2019
Median Home Value$718,100 ▲ 158% above avg ↑ 35% since 2019
Home/Income Ratio4.1x (nat avg ~3.5x)
Total Units739
Avg HH Size3.03

Income Distribution

Under $25k
9%
$75k–100k
9%
$100k–150k
11%
$150k–200k
42%
Over $200k
29%
Employment & Commute

How People Get to Work

Drove Alone
66%
Walked
1%
Work From Home
32%

Commute Time

Under 15 min
23%
15–30 min
20%
30–45 min
21%
Over 45 min
35%
Housing Stock

Year Built

1940s–1950s
5%
1960s–1970s
12%
1980s–1990s
27%
2000+
56%

Summary

Total Units739
Owner Occupied98.2%
Renter Occupied1.8%
Avg HH Size3.03
Frequently Asked Questions
ZIP code 20778 is in West River, MD, in Anne Arundel County.
ZIP code 20778 is located in Maryland (MD).
ZIP code 20778 is in Anne Arundel County, MD.
ZIP 20778 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20778 is 2,243 people (ACS 2023).
The median household income in ZIP code 20778 is $177,083 (ACS 2023).
The median home value in ZIP 20778 is $718,100 (ACS 2023).
About ZIP Code 20778

ZIP code 20778 is located in West River, Maryland, within Anne Arundel County. With a population of 2,243, this is a sparsely populated ZIP code with a mature community — the median age is 47.4 years. Economically, 20778 is a affluent ZIP code: the median household income of $177,083 is more than double the national average.

Real estate in ZIP code 20778 represents a premium housing market. The median home value of $718,100 is more than double the national average. Homeownership is strong here — 98.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 35% since 2019.

The population of 20778 is primarily White (86.00%). Residents are well-educated — 47.3% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 0.9%. Household income has grown by 24% since 2019.

The unemployment rate in 20778 stands at 3.2%, which is below the national average. A notably high share of workers — 28% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 57%.

Overall, ZIP code 20778 in West River, MD is characterized as affluent, well-educated, a mature community, and predominantly owner-occupied. With 2,243 residents, a median household income of $177,083, and a median home value of $718,100, it offers a clear picture of life in this part of Maryland.