ZIP Code 20778 - West River Maryland

ZIP Code 20778 is located in West River Maryland. Portions of 20778 are also in Shady Side and Galesville. 20778 is entirely within Anne Arundel County. Regionally, 20778 is located in Metro Baltimore.

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ZIP Code 20778 Quick Stats

ZIP Code NameWest River
Primary CountyAnne Arundel County
ZIP Code TypeStandard
Population (2022)2,564
Area Code(s)410 / 443 / 667
Current Time

ZIP Code 20778 Map

20778 Demographics

20778 can be classified socioeconomically as Upper Middle Class class compared to other ZIP Codes in Maryland based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 20778 is White. The current unemployment level in 20778 is 2.7%.

Population Growth Rate25.66%
Population Density314 People per Square Mile
Total Households736
Percentage High Income Households27.2%
Median Household Income (2021)$167,292
Average Adjusted Gross Income (2021)$396,060
Current Unemployment Rate (July 2024)2.7%
Majority Race/EthnictyWhite - 92.80%

20778 Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander00%

20778 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1389.89%
Bachelor Degree32723.44%
High School Diploma31422.51%
No High School Diploma00%
GED or Alternate181.29%
1 or More Years of College35025.09%
Associates Degree745.3%
Masters Degree14010.04%
Professional Degree90.65%
Doctorate Degree251.79%

20778 Geography

Adjacent ZIP Codes
Cities/Towns in 20778
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area8 Square Miles

20778 Politics

US Congressional Districts in 20778
Maryland State Senate Districts in 20778
Maryland State House of Delegates Districts in 20778

20778 Schools

20778 Weather and Climate Data

Plant Hardiness ZoneZone 7b: 5F to 10F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion65n - Chesapeake Rolling Coastal Plain

20778 Annual Climate Data

Avg Min Temp (°F)25273443536267655846372945
Avg Max Temp (°F)43475666758388867968584866
Avg Precip (In.)3.552.873.963.34.343.674.083.864.063.483.373.3543.92

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