ZIP Code 20855 - Derwood Maryland

20855 Overview

ZIP Code 20855 is located in Derwood Maryland. Portions of 20855 are also in Redland and Rockville and Gaithersburg. 20855 is entirely within Montgomery County. Regionally, 20855 is located in Metro DC.

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ZIP Code 20855 Quick Stats

ZIP Code NameDerwood
Primary CountyMontgomery County
ZIP Code TypeStandard
Population (2022)16,558
Area Code(s)240 / 301
Current Time
EST

ZIP Code 20855 Map

20855 Demographics

20855 can be classified socioeconomically as 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 20855 is White. The majority race/ethnicity attending public schools in 20855 is Hispanic. The current unemployment level in 20855 is 2.8%.

Population16,558
Population Growth Rate0.00%
Population Density1,217 People per Square Mile
Total Households4,750
Percentage High Income Households21.1%
Median Household Income (2021)$139,899
Average Adjusted Gross Income (2021)$384,110
Current Unemployment Rate (November 2024)2.8%
Majority Race/EthnictyWhite - 57.85%
Public School Majority Race/EthnictyHispanic - 39.37%

20855 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White10,00157.56%
Black1,97711.38%
Hispanic2,26513.04%
Asian2,84216.36%
Native American2031.17%
Hawaiian/Pac. Islander880.51%

20855 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White84125.4%
Black61818.67%
Hispanic1,37841.62%
Asian46113.92%
Native American90.27%
Hawaiian/Pac. Islander40.12%

20855 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College4084.38%
Bachelor Degree2,85430.67%
High School Diploma1,24113.33%
No High School Diploma1821.96%
GED or Alternate440.47%
1 or More Years of College9119.79%
Associates Degree5786.21%
Masters Degree1,82319.59%
Professional Degree4895.25%
Doctorate Degree7778.35%

20855 Geography

Coordinates39.13480377,-77.13227081
Adjacent ZIP Codes
Cities/Towns in 20855
RegionMetro DC
Metropolitan/Micropolitan Stat AreaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area14 Square Miles

20855 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion64c - Piedmont Uplands

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

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