| ZIP Code | 21012 |
|---|---|
| City | Arnold |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Area Code | 410/667 |
| Elevation | 78 ft |
| Latitude | 39.046562 |
|---|---|
| Longitude | -76.495626 |
| Timezone | New York (DST) |
| FIPS | 24003 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.6 yrs ↓ 5% since 2019 |
|---|---|
| Avg Household Size | 2.73 |
| Below Poverty | 3.1% ▼ 69% below avg |
| College Grads | 68.3% ▲ 76% above avg |
| Unemployment | 3.2% ▼ 35% below avg |
| No HS Diploma | 56 (0.4%) |
| HS Graduate | 1,298 (9%) |
| Some College | 1,041 (7.2%) |
| Associates | 2,170 (15.1%) |
| Bachelors | 1,259 (8.7%) |
| Graduate Degree | 8,581 (59.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $137,544 ▲ 80% above avg ↑ 8% since 2019 |
|---|---|
| Median Home Value | $552,000 ▲ 98% above avg ↑ 23% since 2019 |
| Home/Income Ratio | 4.0x (nat avg ~3.5x) |
| Median Rent | $2,171/mo ↑ 13% since 2019 |
| Total Units | 8,509 |
| Vacant Units | 397 |
| Avg HH Size | 2.73 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 8,509 |
|---|---|
| Vacant | 397 |
| Owner Occupied | 84.9% |
| Renter Occupied | 15.1% |
| Avg HH Size | 2.73 |
ZIP code 21012 is located in Arnold, Maryland, within Anne Arundel County. With a population of 22,306, this is a moderately populated ZIP code with a middle-aged community — the median age is 38.6 years. Economically, 21012 is a upper-middle-income ZIP code: the median household income of $137,544 is significantly above the national average.
Real estate in ZIP code 21012 represents a premium housing market. The median home value of $552,000 is significantly above the national average. Renters can expect to pay around $2,171 per month in median rent. Homeownership is strong here — 84.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 23% since 2019.
The population of 21012 is primarily White (76.24%). Residents are highly educated — 68.3% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.1%. Household income has grown by 8% since 2019.
The unemployment rate in 21012 stands at 3.2%, which is below the national average. About 21% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 71%.
Overall, ZIP code 21012 in Arnold, MD is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 22,306 residents, a median household income of $137,544, and a median home value of $552,000, it offers a clear picture of life in this part of Maryland.