| ZIP Code | 21140 |
|---|---|
| City | Riva |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Area Code | 227/301/410 |
| Elevation | 58 ft |
| Latitude | 38.950842 |
|---|---|
| Longitude | -76.586726 |
| Timezone | New York (DST) |
| FIPS | 24003 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 44.2 yrs |
|---|---|
| Avg Household Size | 2.95 |
| Below Poverty | 0.8% ▼ 92% below avg |
| College Grads | 62.7% ▲ 62% above avg |
| Unemployment | 0.7% ▼ 86% below avg |
| No HS Diploma | 43 (1.5%) |
| HS Graduate | 412 (14.2%) |
| Some College | 212 (7.3%) |
| Associates | 420 (14.4%) |
| Bachelors | 360 (12.4%) |
| Graduate Degree | 1,463 (50.3%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $152,188 ▲ 99% above avg ↑ 26% since 2019 |
|---|---|
| Median Home Value | $598,200 ▲ 115% above avg ↑ 27% since 2019 |
| Home/Income Ratio | 3.9x (nat avg ~3.5x) |
| Median Rent | $2,071/mo ↑ 23% since 2019 |
| Total Units | 1,470 |
| Vacant Units | 36 |
| Avg HH Size | 2.95 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,470 |
|---|---|
| Vacant | 36 |
| Owner Occupied | 97.6% |
| Renter Occupied | 2.4% |
| Avg HH Size | 2.95 |
ZIP code 21140 is located in Riva, Maryland, within Anne Arundel County. With a population of 4,231, this is a lightly populated ZIP code with a middle-aged community — the median age is 44.2 years. Economically, 21140 is a affluent ZIP code: the median household income of $152,188 is significantly above the national average.
Real estate in ZIP code 21140 represents a premium housing market. The median home value of $598,200 is more than double the national average. Renters can expect to pay around $2,071 per month in median rent. Homeownership is strong here — 97.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 27% since 2019.
The population of 21140 is primarily White (87.45%). Residents are highly educated — 62.7% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 0.8%. Household income has grown by 26% since 2019.
The unemployment rate in 21140 stands at 0.7%, which is well below the national average. About 23% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 69%.
Overall, ZIP code 21140 in Riva, MD is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 4,231 residents, a median household income of $152,188, and a median home value of $598,200, it offers a clear picture of life in this part of Maryland.