Zip Code 21723 Map and Profile

Official Zip Code NameCooksville
Zip Code StateMaryland
Zip Code TypeNon-Unique
Primary County: Howard
Area Code410 / 443 / 667
Current Population:803
Racial Majority:White 48.18%
Unemployment Rate:3.3%
Median Household Income$139271
Average Adjusted Gross Income$232640
School Test Performance:Poor
Average Commute Time30.9 Minutes
Time Zone:Eastern Daylight Time
Elevation Range558 - 564 ft.
Area3 Sqm.
Coordinates(Y,X)39.32902300, -77.00932700

Zip Code 21723 Description

Zip Code 21723 is located in the state of Maryland in the Baltimore metro area. Zip code 21723 is primarily located in Howard County. The official US Postal Service name for 21723 is COOKSVILLE, Maryland. Portions of zip code 21723 are contained within or border the city limits of Eldersburg, MD, . Zip code 21723 is within area code 410 and area code 443. 21723 can be classified socioeconically as a Upper Middle Class class zipcode in comparison to other zipcodes in Maryland.

The current unemployment level in 21723 is 3.3% which is lower than the current county unemployment level of 3.4% and is lower than the current state unemployment at 4.4% and lower than the current national unemployment rate at 3.6%.

According the 2010 US Census, the population of 21723 increased to 803 from 424 over the past 10 years. The majority ethnicity residing in 21723 is White while the majority ethnicity attending 21723 public schools is . % of students in 21723 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 304 48.18% 590 -48%
 Black Or African American 119 18.86% 71 +68%
 Hispanic 58 9.19% 22 +164%
 American Indian Or Alaskan Native 0 0% 0 +0%
 Asian 124 19.65% 98 +27%
 Native Hawaiian & Other Pacific Islander 10 1.58% 0 +0%
 Other Race 0 0% 0 +0%
 Two Or More Races 22 2.54% 22 -27%

Zip Code 21723 Race/Ethnicity

 White %
 Black Or African American %
 Hispanic %
 Asian %
 Hawaii/Pacific Islander %
 American Indian Or Alaskan Native %
 Two or More Races %

Zip Code 21723 Public School Race/Ethnicity Profile

Total Population803424
Male Population49.90%
Female Population50.10%
Total Households242
Test Score PerformancePoor
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$139271
Income Under $50K Per Year5.60%
Income $50K to $100K Per Year22.40%
Income Above $100K Per Year72.00%
21723 US Congressional District
DistrictRepresentativeParty Affiliation
Maryland District 7Elijah CummingsDemocrat
Related Maps: Map of All Maryland Congressional Districts

Average Real Estate Asking Price$564000
Average Real Estate Sale Price$405444
Current Unemployment Level 3.3%
Previous Month Unemployment Level3.1%
Unemployment Level 1 Year Ago4.5%
2012 Hardiness ZoneZone 7a: 0F to 5F
1990 Hardiness ZoneZone 6b: -5F to 0F
Köppen Climate ClassificationDfa - Humid Continental Hot Summers
Ecoregion 64c - Piedmont Uplands
Average First Frost DatesOctober 11 - 20
Average Last Frost DatesApril 21 - 31

Zip Code 21723 Annual Climate Data

Avg Min Temp (°F)23243241515964635644352743
Avg Max Temp (°F)40445465748287857867554565
Avg Precip (In.)3.512.954.133.444.643.953.913.574.133.513.583.4344.75
Core Based Statistical
Area (CBSA)
Baltimore-Towson, MD
CBSA Type21723
CBSA Population2699667
Time ZoneEastern Daylight Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours
List of High Schools in Zipcode 21723
Glenelg High SchoolHoward
List of Middle Schools in Zipcode 21723
Glenwood Middle SchoolHoward
List of Elementary Schools in Zipcode 21723
Bushy Park Elementary SchoolHoward