ZIP Code 21661 - Rock Hall Maryland

ZIP Code 21661 is located in Rock Hall Maryland. Portions of 21661 are also in Edesville. 21661 is entirely within Kent County. Regionally, it is located in Metro Baltimore.

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ZIP Code 21661 Quick Stats

ZIP Code NameRock Hall
Primary CountyKent County
ZIP Code TypeStandard
Population (2022)2,571
Area Code(s)410 / 443 / 667
Current Time
EDT

ZIP Code 21661 Map

21661 Demographics

21661 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 21661 is White. The majority race/ethnicity attending public schools in 21661 is White. The current unemployment level in 21661 is 3.5%.

Population2,571
Population Growth Rate6.98%
Population Density54 People per Square Mile
Total Households1,155
Percentage High Income Households4.0%
Median Houshold Income (2021)$64,643
Average Adjusted Gross Income (2020)$65,690
Current Unemployment Rate (February 2024)3.5%
Majority Race/EthnictyWhite - 87.50%
Public School Majority Race/EthnictyWhite - 66.20%

21661 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White2,24187.47%
Black1917.46%
Hispanic1285%
Asian10.04%
Native American00%
Hawaiian/Pac. Islander10.04%

21661 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White14172.31%
Black4523.08%
Hispanic73.59%
Asian00%
Native American21.03%
Hawaiian/Pac. Islander00%

21661 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1799.88%
Bachelor Degree36420.09%
High School Diploma61033.66%
No High School Diploma351.93%
GED or Alternate904.97%
1 or More Years of College23813.13%
Associates Degree854.69%
Masters Degree1256.9%
Professional Degree341.88%
Doctorate Degree522.87%

21661 Geography

Coordinates39.10022354,-76.21792603
Adjacent ZIP Codes
Cities/Towns in 21661
RegionMetro Baltimore
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area48 Square Miles

21661 Politics

US Congressional Districts in 21661
Maryland State Senate Districts in 21661
Maryland State House of Delegates Districts in 21661

21661 Schools

School Districts in 21661
Elementary Schools in 21661

21661 Weather and Climate Data

Plant Hardiness ZoneZone 7b: 5F to 10F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion63b - Chesapeake-Pamlico Lowlands and Tidal Marshes

21661 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)25273443536267655846372946
Avg Max Temp (°F)43465566758488868069584766
Avg Precip (In.)3.692.984.073.334.273.853.953.894.133.393.393.5944.53

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