ZIP Code 21664 - Secretary Maryland

21664 Overview

ZIP Code 21664 is located in Secretary Maryland. 21664 is entirely within Dorchester County. Regionally, 21664 is located in the DELMARVA Region.

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ZIP Code 21664 Quick Stats

ZIP Code NameSecretary
Primary CountyDorchester County
ZIP Code TypePO Box
Population (2022)642
Area Code(s)410 / 443 / 667
Current Time
EST

ZIP Code 21664 Map

21664 Demographics

21664 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Maryland. The majority race/ethnicity residing in 21664 is White. The majority race/ethnicity attending public schools in 21664 is White. The current unemployment level in 21664 is 3.4%.

Population642
Population Growth Rate4.52%
Population Density2,939 People per Square Mile
Total Households264
Median Household Income (2021)$70,288
Current Unemployment Rate (October 2024)3.4%
Majority Race/EthnictyWhite - 68.95%
Public School Majority Race/EthnictyWhite - 85.05%

21664 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White46468.95%
Black10.15%
Hispanic20830.91%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

21664 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White27388.06%
Black185.81%
Hispanic154.84%
Asian41.29%
Native American00%
Hawaiian/Pac. Islander00%

21664 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College132.99%
Bachelor Degree7316.78%
High School Diploma20146.21%
No High School Diploma30.69%
GED or Alternate388.74%
1 or More Years of College8720%
Associates Degree163.68%
Masters Degree40.92%
Professional Degree00%
Doctorate Degree00%

21664 Geography

Coordinates38.60806656,-75.94705200
Adjacent ZIP Codes
RegionDELMARVA Region
Metropolitan/Micropolitan Stat AreaCambridge, MD
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area0.21840765 Square Miles

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