ZIP Code 21921 - Elkton Maryland

ZIP Code 21921 is located in Elkton Maryland. Portions of 21921 are also in North East. 21921 is entirely within Cecil County. Regionally, it is located in Metro Baltimore.

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ZIP Code 21921 Quick Stats

ZIP Code NameElkton
Primary CountyCecil County
ZIP Code TypeStandard
Population (2022)45,081
Area Code(s)410 / 443 / 667
Current Time

ZIP Code 21921 Map

21921 Demographics

21921 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 21921 is White. The majority race/ethnicity attending public schools in 21921 is White. The current unemployment level in 21921 is 3.9%.

Population Growth Rate0.00%
Population Density452 People per Square Mile
Total Households15,595
Percentage High Income Households3.5%
Median Household Income (2021)$76,214
Average Adjusted Gross Income (2021)$356,580
Current Unemployment Rate (May 2024)3.9%
Majority Race/EthnictyWhite - 82.63%
Public School Majority Race/EthnictyWhite - 55.43%

21921 Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander360.08%

21921 Public School Race/Ethnicty Breakdown

Native American100.23%
Hawaiian/Pac. Islander70.16%

21921 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,8497.36%
Bachelor Degree4,34917.32%
High School Diploma8,81735.12%
No High School Diploma5052.01%
GED or Alternate1,2424.95%
1 or More Years of College4,08116.26%
Associates Degree1,8917.53%
Masters Degree1,8117.21%
Professional Degree2731.09%
Doctorate Degree2881.15%

21921 Geography

Adjacent ZIP Codes
Cities/Towns in 21921
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaPhiladelphia-Camden-Wilmington, PA-NJ-DE-MD
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area100 Square Miles

21921 Politics

US Congressional Districts in 21921
Maryland State Senate Districts in 21921
Maryland State House of Delegates Districts in 21921

21921 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion65n - Chesapeake Rolling Coastal Plain

21921 Annual Climate Data

Avg Min Temp (°F)23253240506065635644352844
Avg Max Temp (°F)41445365758387857867564565
Avg Precip (In.)3.492.753.953.544.353.924.363.94.253.363.393.5344.8

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