| ZIP Code | 20878 |
| ZIP Code Name | Gaithersburg |
| Primary County | Montgomery County |
| ZIP Code Type | Standard |
| Population (2021) | 65,999 |
| Area Code(s) | 240 / 301 |
| Current Time | EDT |
20878 is a United States ZIP Code located in Gaithersburg Maryland. Portions of 20878 are also in Darnestown and North Potomac and Travilah and Germantown. 20878 is entirely within Montgomery County. 20878 is within Metro DC.
20878 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Maryland based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 20878 have at least a Bachelor Degree. The majority race/ethnicity residing in 20878 is White. The majority race/ethnicity attending public schools in 20878 is White. The current unemployment level in 20878 is 2.8%.
| Population | 65,999 |
| Population Growth Rate | 1.81% |
| Population Density | 3,160 People per Square Mile |
| Total Households | 22,517 |
| Percentage High Income Households | 19.4% |
| Median Houshold Income (2021) | $130,469 |
| Average Adjusted Gross Income (2019) | $121,890 |
| Current Unemployment Rate (February 2023) | 2.8% |
| Majority Race/Ethnicty | White - 50.02% |
| Public School Majority Race/Ethnicty | White - 33.45% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 32,750 | 50.02% |
| Black | 6,912 | 10.56% |
| Hispanic | 7,722 | 11.79% |
| Asian | 17,886 | 27.32% |
| Native American | 208 | 0.32% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 3,049 | 35.37% |
| Black | 1,317 | 15.28% |
| Hispanic | 2,347 | 27.23% |
| Asian | 1,887 | 21.89% |
| Native American | 14 | 0.16% |
| Hawaiian/Pac. Islander | 6 | 0.07% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 1,359 | 3.32% |
| Bachelor Degree | 13,680 | 33.38% |
| High School Diploma | 4,083 | 9.96% |
| No High School Diploma | 333 | 0.81% |
| GED or Alternate | 371 | 0.91% |
| 1 or More Years of College | 4,099 | 10% |
| Associates Degree | 2,099 | 5.12% |
| Masters Degree | 9,658 | 23.57% |
| Professional Degree | 2,055 | 5.01% |
| Doctorate Degree | 3,235 | 7.89% |
| Coordinates | 39.11249924,-77.24920654 |
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| Cities/Towns in 20878 | |
| Region | Metro DC |
| Metropolitan/Micropolitan Stat Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 21 Square Miles |
| US Congressional Districts in 20878 | |
| Maryland State Senate Districts in 20878 | |
| Maryland State House of Delegates Districts in 20878 |
| School Districts in 20878 | |
| Elementary Schools in 20878 | |
| Middle Schools in 20878 | |
| High Schools in 20878 |