| Zip Code : | 21409 |
| City : | Arnold, Cape St. Claire |
| County : | Anne Arundel County |
| State : | Maryland (MD) |
| | |
| Land Area : | 14.00 sq mi |
| Water Area : | 4.49 sq mi |
| Latitude : | 39.0184351 |
| Longitude : | -76.4425333 |
| | |
| Population (2010): | 20,064 |
| Population Estimate (2012) : | 19,563 |
| Population Density : | 1,433.65/sq mi |
| Housing Units (2012) : | 7,718 |
| Median Household Income (2012) : | $105,927 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $118,875 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $401,800 (Maryland : $304,900, USA : $181,400) |