| ZIP Code | 20851 |
|---|---|
| City | Rockville |
| State | Maryland (MD) |
| County | Montgomery County |
| Area Code | 227/240/301 |
| Elevation | 374 ft |
| Latitude | 39.07807 |
|---|---|
| Longitude | -77.120838 |
| Timezone | New York (DST) |
| FIPS | 24031 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.6 yrs ↑ 11% since 2019 |
|---|---|
| Avg Household Size | 2.88 |
| Below Poverty | 9.2% ▼ 8% below avg |
| College Grads | 48.4% ▲ 25% above avg |
| Unemployment | 3.8% ▼ 22% below avg |
| No HS Diploma | 401 (4.4%) |
| HS Graduate | 2,354 (25.8%) |
| Some College | 1,003 (11%) |
| Associates | 952 (10.4%) |
| Bachelors | 626 (6.9%) |
| Graduate Degree | 3,794 (41.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $113,951 ▲ 49% above avg ↑ 25% since 2019 |
|---|---|
| Median Home Value | $523,800 ▲ 88% above avg ↑ 38% since 2019 |
| Home/Income Ratio | 4.6x (nat avg ~3.5x) |
| Median Rent | $1,924/mo ↑ 10% since 2019 |
| Total Units | 5,263 |
| Vacant Units | 192 |
| Avg HH Size | 2.88 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 5,263 |
|---|---|
| Vacant | 192 |
| Owner Occupied | 56.7% |
| Renter Occupied | 43.3% |
| Avg HH Size | 2.88 |
ZIP code 20851 is located in Rockville, Maryland, within Montgomery County. With a population of 14,660, this is a lightly populated ZIP code with a middle-aged community — the median age is 38.6 years. Economically, 20851 is a upper-middle-income ZIP code: the median household income of $113,951 is above the national average.
Real estate in ZIP code 20851 represents a premium housing market. The median home value of $523,800 is significantly above the national average. Renters can expect to pay around $1,924 per month in median rent. The area has a relatively balanced mix of owners (56.7%) and renters (43.3%). Median home values have increased by 38% since 2019.
The population of 20851 is racially diverse, with Hispanic as the largest group at 42.2%. Residents are well-educated — 48.4% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 9.2%. Household income has grown by 25% since 2019.
The unemployment rate in 20851 stands at 3.8%, which is below the national average. About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 52%.
Overall, ZIP code 20851 in Rockville, MD is characterized as upper-middle-income, well-educated, and a middle-aged community. With 14,660 residents, a median household income of $113,951, and a median home value of $523,800, it offers a clear picture of life in this part of Maryland.