ZIP Code 21639 - Greensboro Maryland

ZIP Code 21639 is located in Greensboro Maryland. 21639 is entirely within Caroline County. Regionally, it is located in the DELMARVA Region.

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ZIP Code 21639 Quick Stats

ZIP Code NameGreensboro
Primary CountyCaroline County
ZIP Code TypeStandard
Population (2022)4,734
Area Code(s)410 / 443 / 667
Current Time
EDT

ZIP Code 21639 Map

21639 Demographics

21639 can be classified socioeconomically as Lower 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 21639 is White. The majority race/ethnicity attending public schools in 21639 is Hispanic. The current unemployment level in 21639 is 3.4%.

Population4,734
Population Growth Rate7.51%
Population Density136 People per Square Mile
Total Households1,661
Percentage High Income Households2.2%
Median Houshold Income (2021)$54,882
Average Adjusted Gross Income (2020)$53,950
Current Unemployment Rate (February 2024)3.4%
Majority Race/EthnictyWhite - 86.89%
Public School Majority Race/EthnictyHispanic - 46.96%

21639 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White4,28086.89%
Black2605.28%
Hispanic3827.75%
Asian40.08%
Native American00%
Hawaiian/Pac. Islander00%

21639 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White32546.43%
Black273.86%
Hispanic34749.57%
Asian10.14%
Native American00%
Hawaiian/Pac. Islander00%

21639 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1646.3%
Bachelor Degree31812.22%
High School Diploma94836.43%
No High School Diploma451.73%
GED or Alternate1455.57%
1 or More Years of College52019.98%
Associates Degree28510.95%
Masters Degree1535.88%
Professional Degree100.38%
Doctorate Degree140.54%

21639 Geography

Coordinates38.96385193,-75.79367828
Adjacent ZIP Codes
Cities/Towns in 21639
RegionDELMARVA Region
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area35 Square Miles

21639 Politics

US Congressional Districts in 21639
Maryland State Senate Districts in 21639
Maryland State House of Delegates Districts in 21639

21639 Schools

School Districts in 21639
Elementary Schools in 21639
Middle Schools in 21639
High Schools in 21639

21639 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
Ecoregion63f - Delmarva Uplands

21639 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)25273442526166645746372945
Avg Max Temp (°F)43475667768488868069594867
Avg Precip (In.)3.842.974.023.394.153.583.964.074.033.243.33.4443.99

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