| ZIP Code | 20879 |
|---|---|
| City | Gaithersburg |
| State | Maryland (MD) |
| County | Montgomery County |
| Area Code | 227/240/301 |
| Elevation | 454 ft |
| Latitude | 39.167298 |
|---|---|
| Longitude | -77.164147 |
| Timezone | New York (DST) |
| FIPS | 24031 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 36.3 yrs ↑ 4% since 2019 |
|---|---|
| Avg Household Size | 2.94 |
| Below Poverty | 6.6% ▼ 34% below avg |
| College Grads | 53.3% ▲ 38% above avg |
| Unemployment | 6.4% ▲ 30% above avg |
| No HS Diploma | 642 (3.9%) |
| HS Graduate | 3,581 (22%) |
| Some College | 970 (6%) |
| Associates | 2,410 (14.8%) |
| Bachelors | 1,670 (10.3%) |
| Graduate Degree | 7,006 (43%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $105,109 ▲ 38% above avg ↑ 18% since 2019 |
|---|---|
| Median Home Value | $433,500 ▲ 55% above avg ↑ 35% since 2019 |
| Home/Income Ratio | 4.1x (nat avg ~3.5x) |
| Median Rent | $1,895/mo ↑ 10% since 2019 |
| Total Units | 9,008 |
| Vacant Units | 158 |
| Avg HH Size | 2.94 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 9,008 |
|---|---|
| Vacant | 158 |
| Owner Occupied | 70.9% |
| Renter Occupied | 29.2% |
| Avg HH Size | 2.94 |
ZIP code 20879 is located in Gaithersburg, Maryland, within Montgomery County. With a population of 26,120, this is a moderately populated ZIP code with a relatively young community — the median age is 36.3 years. Economically, 20879 is a upper-middle-income ZIP code: the median household income of $105,109 is above the national average.
Real estate in ZIP code 20879 represents a premium housing market. The median home value of $433,500 is significantly above the national average. Renters can expect to pay around $1,895 per month in median rent. Homeownership is strong here — 70.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 35% since 2019.
The population of 20879 is racially diverse, with Hispanic as the largest group at 32.3%. Residents are well-educated — 53.3% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 6.6%. Household income has grown by 18% since 2019.
The unemployment rate in 20879 stands at 6.4%, which is above the national average. About 13% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 67%.
Overall, ZIP code 20879 in Gaithersburg, MD is characterized as upper-middle-income, well-educated, a relatively young community, and predominantly owner-occupied. With 26,120 residents, a median household income of $105,109, and a median home value of $433,500, it offers a clear picture of life in this part of Maryland.