Zip Code 20855 Map and Profile

Official Zip Code NameDerwood
Zip Code StateMaryland
Zip Code TypeNon-Unique
Primary County: Montgomery
Area Code227 / 240 / 301
Current Population:14295
Racial Majority:White 55.98%
Public School Racial Majority:Hispanic 36.1%
Unemployment Rate:5.7%
Median Household Income$116675
Average Adjusted Gross Income$113230
School Test Performance:Average
Average Commute Time34.6 Minutes
Time Zone:Eastern Standard Time
Elevation Range387 - 492 ft.
Area14 Sqm.
Coordinates(Y,X)39.13480300, -77.13227100

Zip Code 20855 Description

Zip Code 20855 is located in the state of Maryland in the Washington D.C. metro area. Zip code 20855 is primarily located in Montgomery County. The official US Postal Service name for 20855 is DERWOOD, Maryland. Portions of zip code 20855 are contained within or border the city limits of Redland, MD, Olney, MD, Rockville, MD, Washington Grove, MD, and Aspen Hill, MD. Zip code 20855 is within area code 301 and area code 240. 20855 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Maryland.

The current unemployment level in 20855 is 5.7% which is higher than the current county unemployment level of 3.4% and is lower than the current state unemployment at 6.6% and lower than the current national unemployment rate at 6.7%.

According the 2010 US Census, the population of 20855 decreased to 14295 from 17251 over the past 10 years. The majority ethnicity residing in 20855 is White while the majority ethnicity attending 20855 public schools is Hispanic. 39.2% of students in 20855 public schools receive or are eligible to participate in free or reduced lunch programs.

20142010Change(+/-)
 White 7937 55.98% 8656 -8%
 Black Or African American 1419 10.01% 1080 +31%
 Hispanic 1307 9.22% 1473 -11%
 American Indian Or Alaskan Native 32 0.23% 26 +23%
 Asian 2816 19.86% 2562 +10%
 Native Hawaiian & Other Pacific Islander 0 0% 8 -100%
 Other Race 64 0.1% 64 -78%
 Two Or More Races 426 4.61% 426 +53%

Zip Code 20855 Race/Ethnicity

 White 28.5%
 Black Or African American 17.5%
 Hispanic 36.1%
 Asian 13.5%
 Hawaii/Pacific Islander 0%
 American Indian Or Alaskan Native 0.2%
 Two or More Races 4.1%

Zip Code 20855 Public School Race/Ethnicity Profile

20102000
Total Population1429517251
Male Population48.90%
Female Population51.10%
Total Households4889
Test Score PerformanceAverage
Percentage of Students Eligible For
Free or Reduced Lunch
39.2%
Percentage of Public Schools with
Title 1 Status
75.0%
Median Household Income$116675
Income Under $50K Per Year15.90%
Income $50K to $100K Per Year25.10%
Income Above $100K Per Year59.00%
20855 US Congressional District
DistrictRepresentativeParty Affiliation
Maryland District 6David TroneDemocrat
Maryland District 8Jamie RaskinDemocrat
Related Maps: Map of All Maryland Congressional Districts

Average Real Estate Asking Price$495573
Average Real Estate Sale Price$398869
Current Unemployment Level 5.7%
Previous Month Unemployment Level6.5%
Unemployment Level 1 Year Ago2.3%
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 20855 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)24263342526065635745362844
Avg Max Temp (°F)40445365738186847766554564
Avg Precip (In.)3.32.833.873.254.43.773.913.684.123.413.443.2343.22
Core Based Statistical
Area (CBSA)
Washington-Arlington-Alexandria, DC-VA-MD-WV
CBSA Type20855
CBSA Population5500613
Time ZoneEastern Standard Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours