ZIP Code 21230 - Baltimore Maryland

ZIP Code 21230 is located in Baltimore Maryland. 21230 is entirely within Baltimore City County. Regionally, it is located in Metro Baltimore.

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ZIP Code 21230 Quick Stats

ZIP Code NameBaltimore
Primary CountyBaltimore City County
ZIP Code TypeStandard
Population (2022)32,883
Area Code(s)410 / 443 / 667
Current Time

ZIP Code 21230 Map

21230 Demographics

21230 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 21230 is White. The majority race/ethnicity attending public schools in 21230 is African American. The current unemployment level in 21230 is 5.2%.

Population Growth Rate0.00%
Population Density4,019 People per Square Mile
Total Households14,086
Percentage High Income Households7.0%
Median Houshold Income (2021)$88,962
Average Adjusted Gross Income (2020)$85,640
Current Unemployment Rate (February 2024)5.2%
Majority Race/EthnictyWhite - 60.50%
Public School Majority Race/EthnictyAfrican American - 46.98%

21230 Race/Ethnicty Breakdown

Native American2140.64%
Hawaiian/Pac. Islander80.02%

21230 Public School Race/Ethnicty Breakdown

Native American130.27%
Hawaiian/Pac. Islander90.18%

21230 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College7934.01%
Bachelor Degree5,96030.11%
High School Diploma4,15921.01%
No High School Diploma3811.92%
GED or Alternate1,0575.34%
1 or More Years of College2,46112.43%
Associates Degree6983.53%
Masters Degree2,68513.57%
Professional Degree1,1085.6%
Doctorate Degree4912.48%

21230 Geography

Adjacent ZIP Codes
Cities/Towns in 21230
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area8 Square Miles

21230 Politics

US Congressional Districts in 21230
Maryland State Senate Districts in 21230
Maryland State House of Delegates Districts in 21230

21230 Schools

School Districts in 21230

21230 Weather and Climate Data

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

21230 Annual Climate Data

Avg Min Temp (°F)27293746566570686149403148
Avg Max Temp (°F)43465566768589878069574767
Avg Precip (In.)3.563.

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