ZIP Code 21030 - Cockeysville Maryland

ZIP Code 21030 is located in Cockeysville Maryland. 21030 is entirely within Baltimore County. Regionally, 21030 is located in Metro Baltimore.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 21030 Quick Stats

ZIP Code NameCockeysville
Primary CountyBaltimore County
ZIP Code TypeStandard
Population (2022)25,133
Area Code(s)410 / 443 / 667
Current Time

ZIP Code 21030 Map

21030 Demographics

21030 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 21030 is White. The majority race/ethnicity attending public schools in 21030 is White. The current unemployment level in 21030 is 2.7%.

Population Growth Rate3.83%
Population Density979 People per Square Mile
Total Households10,285
Percentage High Income Households9.5%
Median Household Income (2021)$85,831
Average Adjusted Gross Income (2021)$945,750
Current Unemployment Rate (July 2024)2.7%
Majority Race/EthnictyWhite - 63.75%
Public School Majority Race/EthnictyWhite - 30.06%

21030 Race/Ethnicty Breakdown

Native American370.14%
Hawaiian/Pac. Islander00%

21030 Public School Race/Ethnicty Breakdown

Native American60.36%
Hawaiian/Pac. Islander00%

21030 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College8635.51%
Bachelor Degree5,53935.35%
High School Diploma2,36115.07%
No High School Diploma1430.91%
GED or Alternate2151.37%
1 or More Years of College2,09513.37%
Associates Degree9486.05%
Masters Degree2,10013.4%
Professional Degree8575.47%
Doctorate Degree5473.49%

21030 Geography

Adjacent ZIP Codes
Cities/Towns in 21030
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area26 Square Miles

21030 Politics

US Congressional Districts in 21030
Maryland State Senate Districts in 21030
Maryland State House of Delegates Districts in 21030

21030 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion64c - Piedmont Uplands

21030 Annual Climate Data

Avg Min Temp (°F)23253241516165645745362844
Avg Max Temp (°F)41445465748287857867564565
Avg Precip (In.)3.693.064.283.634.884.044.163.954.423.63.753.6647.1

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