ZIP Code 20879 - Gaithersburg Maryland

ZIP Code 20879 is located in Gaithersburg Maryland. Portions of 20879 are also in Flower Hill and Montgomery Village and Germantown and Redland. 20879 is entirely within Montgomery County. Regionally, it is located in Metro DC.

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ZIP Code 20879 Quick Stats

ZIP Code NameGaithersburg
Primary CountyMontgomery County
ZIP Code TypeStandard
Population (2022)27,489
Area Code(s)240 / 301
Current Time

ZIP Code 20879 Map

20879 Demographics

20879 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 20879 is White. The majority race/ethnicity attending public schools in 20879 is Hispanic. The current unemployment level in 20879 is 2.8%.

Population Growth Rate0.00%
Population Density3,064 People per Square Mile
Total Households8,077
Percentage High Income Households7.0%
Median Household Income (2021)$96,197
Average Adjusted Gross Income (2021)$365,540
Current Unemployment Rate (May 2024)2.8%
Majority Race/EthnictyWhite - 38.13%
Public School Majority Race/EthnictyHispanic - 50.97%

20879 Race/Ethnicty Breakdown

Native American1530.53%
Hawaiian/Pac. Islander240.08%

20879 Public School Race/Ethnicty Breakdown

Native American80.21%
Hawaiian/Pac. Islander30.08%

20879 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College8165.74%
Bachelor Degree4,16629.33%
High School Diploma2,48217.47%
No High School Diploma2101.48%
GED or Alternate2151.51%
1 or More Years of College2,44817.23%
Associates Degree1,1247.91%
Masters Degree1,81912.81%
Professional Degree4993.51%
Doctorate Degree4263%

20879 Geography

Adjacent ZIP Codes
Cities/Towns in 20879
RegionMetro DC
Metropolitan/Micropolitan Stat AreaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area9 Square Miles

20879 Politics

US Congressional Districts in 20879
Maryland State Senate Districts in 20879
Maryland State House of Delegates Districts in 20879

20879 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

20879 Annual Climate Data

Avg Min Temp (°F)24263342526065635745362844
Avg Max Temp (°F)40445365748186847766554564
Avg Precip (In.)3.312.853.923.294.463.813.913.634.123.443.453.2543.44

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