Commissioner
Deputy commisioner
Deputy assistant commisioner
Commander
Chief superintendent
Superintendent
Chief inspector
Inspector
Sergeant
Constable
Another View: While the above answer may be true for one (or even several) larger departments, it is by no means accurate for many other departments or agencies which do not have a similarly structured rank system.
Police agencies are administered along a hierarchal, para-military command structure with direect accountability from the highest rank to the lowest officer with several intermediate supervisory positions (known by various titles) separating them or, in the case of a small department, no intervening supervisors at all.
If you are interested in a particular department you can research THAT department, or in the case of your local agency, just call them and ask.
Police England/Wales: Constable, Sergeant, Inspector, Chief Inspector, Superintendent, Chief Superintendent, Assistant Chief Constable, Deputy Chief Constable, Chief Constable.
Metropolitan Police: Constable, Sergeant, Inspector, Chief Inspector, Superintendent, Chief Superintendent, Commander, Deputy Assistant Commissioner, Assistant Commissioner, Deputy Commissioner, Commissioner.
City of London Police: Constable, Sergeant, Inspector, Chief Inspector, Superintendent, Chief Superintendent, Commander, Assistant Commissioner, Commissioner.
Note: Assistant Chief Constable/Commander and above are all classed as Chief Officers.
All have the same ranks up to and including Chief Superintendent are the same and all can have Detective in front of them.
did Newark police ever have a rank of colonel and what year w
1360 Officers of all ranks.
Noter
The metropolitan police has approximately 48,000 employees, 36,000 of which are serving police officers of various ranks
In 2007 there were 1584 sworn officers of all ranks on the Cleveland Police Department.
it depends on how good you are
As of August of 2009, the sworn staff of the Anchorage Police Department was 561 officers, of all ranks.
Graduate from a police academy. Perform with excellence. Work your way up through the ranks.
Commanders, civilians, and constables are the ranks for the Strategic Response Unit. Civilians and constables are the dispatchers of the SRU.
There were 721 sworn officers of all ranks on the Toledo Ohio Police Department as of 12-31-2009.
You have highway patrol or state troopers, you have county sheriffs departments and city police departments. The above relates to the USA, in other countries police and their ranks and specialisms are organised differently.
There are several AFP, Australian Federal Police, corresponding ranks. These ranks are Constable, First Constable, Senior Constable, Leading Senior Constable, Sergeant, Station Sergeant, Superintendent, Commander, Assistant Commissioner, Deputy Commissioner, and finally, the Commissioner.