It's a number the department assigns to that vehicle for their department records.
1985
The Chicago Police Department's staffing of police officers in 2012 was 12,244. This number is skewed however, due to the fact there are officers retiring or quitting every week, and there are academy classes replacing them. The true number fluctuates, however it is generally around 12,000, give or take a few hundred.
The address of the Chicago Police Memorial Foundation is: 1407 W Washington Blvd, Chicago, IL 60607-1820
Chicago Department of Aviation Police Chicago Housing Authority Police Department Chicago Park District Police Department Lincoln Park District Police Department Morgan Park Police Department South Park District Police Department West Park District Police Department http://odmp.org/agency.php?agencyid=657
The address of the Chicago Police Historical Association is: 3510 Michigan Ave - Unit 129, Chicago, IL 60653-1020
Chicago "special police" is a reserve police force that is made up of volunteer's who pay to belong. Chicago Police Department when needed can call them up to act as security personel at certain location or to direct traffic and sometimes minor code enforcement. These officers are not appointed or sworn and are only used on very rare occasions.
There are about 13,400 sworn police officers and 1,850 other employees in the Chicago Police Department.
Chicago is famous for having only Blue lights on its police cars
A felony conviction is a disqualification for Chicago police eligibility. Just ask Anthony Abbate.
There are in total 131 Police stations in the Metropolitan boroughs, with the lowest number being 2 Police stations and the highest 6.
CPD aka Chicago Police Department