ZIP Code 21012 - Arnold Maryland

ZIP Code 21012 is located in Arnold Maryland. Portions of 21012 are also in Severna Park. 21012 is entirely within Anne Arundel County. Regionally, 21012 is located in Metro Baltimore.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 21012 Quick Stats

ZIP Code NameArnold
Primary CountyAnne Arundel County
ZIP Code TypeStandard
Population (2022)23,144
Area Code(s)410 / 443 / 667
Current Time

ZIP Code 21012 Map

21012 Demographics

21012 can be classified socioeconomically as 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 21012 is White. The majority race/ethnicity attending public schools in 21012 is White. The current unemployment level in 21012 is 2.7%.

Population Growth Rate11.19%
Population Density1,907 People per Square Mile
Total Households7,701
Percentage High Income Households15.3%
Median Household Income (2021)$133,481
Average Adjusted Gross Income (2021)$564,970
Current Unemployment Rate (July 2024)2.7%
Majority Race/EthnictyWhite - 82.71%
Public School Majority Race/EthnictyWhite - 73.67%

21012 Race/Ethnicty Breakdown

Native American330.14%
Hawaiian/Pac. Islander00%

21012 Public School Race/Ethnicty Breakdown

Native American70.23%
Hawaiian/Pac. Islander20.07%

21012 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College8806.44%
Bachelor Degree4,15430.41%
High School Diploma2,13415.62%
No High School Diploma780.57%
GED or Alternate2381.74%
1 or More Years of College1,95514.31%
Associates Degree1,1688.55%
Masters Degree2,26216.56%
Professional Degree5243.84%
Doctorate Degree2681.96%

21012 Geography

Adjacent ZIP Codes
Cities/Towns in 21012
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area12 Square Miles

21012 Politics

US Congressional Districts in 21012
Maryland State Senate Districts in 21012
Maryland State House of Delegates Districts in 21012

21012 Weather and 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

21012 Annual Climate Data

Avg Min Temp (°F)24263443536267665946372945
Avg Max Temp (°F)42465566758388867968574766
Avg Precip (In.)3.532.954.113.324.383.613.993.954.193.493.373.5744.46

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