US ZIP Code 21056 - Gibson Island MD

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ZIP Code 21056 Map

ZIP Code 21056 Data

ZIP Code21056
ZIP Code NameGibson Island
Primary CountyAnne Arundel County
ZIP Code TypePO Box
Population (2021)274
Area Code(s)410 / 443 / 667
Current Time

21056 Demographics

Population Growth Rate25.11%
Population Density188 People per Square Mile
Total Households57
Percentage High Income Households100.0%
Median Houshold Income (2021)$250,001
Current Unemployment Rate (December 2023)3.0%
Majority Race/EthnictyWhite - 100.00%

21056 Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander00%

21056 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College00%
Bachelor Degree7160.17%
High School Diploma00%
No High School Diploma00%
GED or Alternate00%
1 or More Years of College3126.27%
Associates Degree00%
Masters Degree00%
Professional Degree1311.02%
Doctorate Degree00%

21056 Geography

Adjacent ZIP Codes
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area1 Square Miles

21056 Politics

US Congressional Districts in 21056
Maryland State House of Delegates Districts in 21056

21056 Schools

School Districts in 21056
Elementary Schools in 21056
Middle Schools in 21056
High Schools in 21056

21056 Climate Data

Plant Hardiness ZoneZone 7b: 5F to 10F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 1 - 10
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion65n - Chesapeake Rolling Coastal Plain

21056 Annual Climate Data

Avg Min Temp (°F)25273443536267665946372946
Avg Max Temp (°F)43465566758488867968574766
Avg Precip (In.)3.592.994.083.334.343.653.983.924.133.463.43.5444.4