| General Information | | |
| City Name | Arnold | |
| State | Missouri | |
| Population 2000 | 19,161 | |
| Housing Units | 7,913 | |
| Total Area | 12 square miles | |
| Water Area | square miles | |
| Land Area | 11 square miles | |
| Population Density | 1,775 people/square mile | |
| Housing Density | 704 units/square mile | |
| Law Enforcement Employees | 60 | |
| Violent Crimes | 37 | |
| Murders/Manslaughters | | |
| Forcible Rapes | 3 | |
| Robberies | 6 | |
| Aggravated Assaults | 28 | |
| Violent Crimes | 37 | |
| Property Crimes | 1,391 | |
| Burglaries | 82 | |
| Larceny Thefts | 1,277 | |
| Motor Vehicle Thefts | 32 | |
| Arsons | 1 | |