ZIP Data and Maps
Blog
About
Data and Maps
US ZIP Codes
ZIP Code Tools
Canada Postal Codes
Area Codes
Politics
POI Data
Regional Market Areas
Neighborhoods
Economics
Counties
Places
Schools
Time Zones
Home
Maryland ZIP Code Map
West River MD ZIP Code Map
20778 Map
20778 FAQ
20778 Frequently Asked Questions
Q: Where is 20778 Located?
A: ZIP Code 20778 is Located in
West River
Maryland. Portions of 20778 are also in
Shady Side
,
Galesville
.
Q: What County is 20778 Located In?
A: ZIP Code 20778 is Located Entirely in
Anne Arundel County
Maryland.
Q: What is the current sales tax in ZIP Code 20778?
A: The Current Sales Tax in ZIP Code 20778 is 6.0%
Q: What Area Code is 20778 in?
A: The Area Codes for
20778
are
410
,
443
and
667
Q: What is the US Congressional District for 20778?
A: ZIP Code 20778 is in the Maryland
5th Congressional District
.
Q: What is the Maryland State House of Delegates District for 20778?
A: ZIP Code 20778 is in Maryland State House of Delegates
District 30B
.
Q: What is the Maryland State Senate District for 20778?
A: ZIP Code 20778 is in Maryland State Senate
District 30
.
Q: What is the population of 20778?
A: The 2022 population of ZIP Code 20778 is 2564. The population growth rate in 20778 is 25.66%. The population density of 20778 is 314.
Q: What is the Majority Race/Ethnicity Demographic for 20778?
A: The majority race/ethnicity of people residing in 20778 is White (92.80%).
Q: What is the Income Level for 20778?
A: The median household income in 20778 is $167,292 (2021) and the average adjusted income is $396,060 (2021).
Related Maps and Data:
Anne Arundel County Maryland ZIP Code Map
Maryland Area Code Map
Maryland Congressional District Map
Maryland State House of Delegates District Map
Maryland State Senate District Map
Maryland Regions Map
Metro Baltimore ZIP Code List
West River Maryland ZIP Code Map
About
Contact
Terms
Privacy
ZIP Code Blog
Twitter
Facebook
2026 zipdatamaps.com