| General Information | | |
| City Name | Londonderry | |
| State | New Hampshire | |
| Population 2000 | 22,928 | |
| Housing Units | 7,718 | |
| Total Area | 42 square miles | |
| Water Area | square miles | |
| Land Area | 42 square miles | |
| Population Density | 556 people/square mile | |
| Housing Density | 185 units/square mile | |
| Law Enforcement Employees | 76 | |
| Violent Crimes | 28 | |
| Murders/Manslaughters | | |
| Forcible Rapes | 3 | |
| Robberies | 7 | |
| Aggravated Assaults | 18 | |
| Violent Crimes | 28 | |
| Property Crimes | 327 | |
| Burglaries | 47 | |
| Larceny Thefts | 242 | |
| Motor Vehicle Thefts | 38 | |
| Arsons | 4 | |