| General Information | | |
| City Name | Jefferson | |
| State | Iowa | |
| Population 2000 | 4,573 | |
| Housing Units | 2,094 | |
| Total Area | 6 square miles | |
| Water Area | square miles | |
| Land Area | 6 square miles | |
| Population Density | 795 people/square mile | |
| Housing Density | 360 units/square mile | |
| Law Enforcement Employees | | |
| Violent Crimes | | |
| Murders/Manslaughters | | |
| Forcible Rapes | | |
| Robberies | | |
| Aggravated Assaults | | |
| Violent Crimes | | |
| Property Crimes | | |
| Burglaries | | |
| Larceny Thefts | | |
| Motor Vehicle Thefts | | |
| Arsons | | |