| General Information | | |
| City Name | Mercer Island | |
| State | Washington | |
| Population 2000 | 21,588 | |
| Housing Units | 8,806 | |
| Total Area | 13 square miles | |
| Water Area | 7 square miles | |
| Land Area | 6 square miles | |
| Population Density | 3,452 people/square mile | |
| Housing Density | 1,380 units/square mile | |
| Law Enforcement Employees | 35 | |
| Violent Crimes | 21 | |
| Murders/Manslaughters | | |
| Forcible Rapes | 5 | |
| Robberies | 2 | |
| Aggravated Assaults | 14 | |
| Violent Crimes | 21 | |
| Property Crimes | 452 | |
| Burglaries | 75 | |
| Larceny Thefts | 345 | |
| Motor Vehicle Thefts | 32 | |
| Arsons | 14 | |