▁ ▁Serge ant ▁ ▁Corpor al ▁ ▁Senior / Master ▁Tro oper / Pat rol man ▁ ▁Tro oper ▁( some ▁states ▁may ▁have ▁several ▁gr ades ▁of ▁Tro oper , ▁ex . ▁Senior ▁Tro oper , ▁Master ▁Tro oper , ▁etc .) ▁ ▁Pro b ation ary ▁Tro oper ▁ ▁Cad et , ▁Rec ruit , ▁Tra ine e ▁Note : ▁R anks ▁can ▁be ▁ski pped ▁or ▁omitted ▁and ▁structure ▁is ▁often ▁determined ▁by ▁individual ▁states . ▁Str ucture ▁is ▁usually ▁pseudo - mil it ary . ▁ ▁County ▁Sher iff ▁( us ually ▁an ▁elected ▁position ), ▁Chief ▁Und ers her iff , ▁Chief ▁Deput y , ▁Deput y ▁Chief ▁( s ometimes ▁an ▁elected ▁position ) ▁Ass istant ▁Sher iff ▁( large ▁depart ments ) ▁Division ▁Chief ▁( large ▁depart ments ) ▁Colonel ▁( large ▁depart ments ) ▁Area ▁Commander ▁or ▁Lieutenant ▁Colonel ▁( large ▁depart ments ) ▁Major ▁( large ▁depart ments ) ▁Captain , ▁Commander ▁Lieutenant ▁Serge ant ▁Major ▁( large ▁depart ments ) ▁Staff ▁Serge ant ▁( large ▁depart ments ) ▁Serge ant ▁Corpor al ▁Master ▁Deput y , ▁Senior ▁Deput y , ▁or ▁Senior ▁Deput y ▁Sher iff ▁Deput y , ▁or ▁Deput y ▁Sher iff ▁Cad et , ▁Rec ruit , ▁Tra ine e , ▁or ▁Pro b ation ary ▁Deput y ▁ ▁Note : ▁R anks ▁can ▁be ▁ski pped ▁or ▁omitted ▁and ▁structure ▁is ▁often ▁determined ▁by ▁individual ▁count ies . ▁The ▁structure ▁is ▁usually ▁pseudo - mil it ary . ▁