Numbers of Protective Service Occupations in Silver Spring-Frederick-Rockville, MD Metropolitan Division

Occupation group

Protective Service Occupations

Year	Number
2015	10,980
2016	10,770
2017	10,200

Individual occupations

First-Line Supervisors of Correctional Officers

Year	Number
2015	80

First-Line Supervisors of Police and Detectives

Year	Number
2015	340
2016	280
2017	310

First-Line Supervisors of Firefighting and Prevention Workers

Year	Number
2015	370
2016	380
2017	390

First-Line Supervisors of Protective Service Workers, All Other

Year	Number
2015	290
2016	350
2017	330

Firefighters

Year	Number
2015	1,180
2016	1,210
2017	1,210

Correctional Officers and Jailers

Year	Number
2015	350
2016	330
2017	330

Detectives and Criminal Investigators

Year	Number
2015	110
2016	120
2017	120

Parking Enforcement Workers

Year	Number
2015	40
2016	40
2017	40

Police and Sheriff’s Patrol Officers

Year	Number
2015	1,930
2016	1,960
2017	1,970

Animal Control Workers

Year	Number
2015	60
2017	30

Private Detectives and Investigators

Year	Number
2015	40
2016	50

Security Guards

Year	Number
2015	5,000
2016	4,450
2017	4,060

Crossing Guards and Flaggers

Year	Number
2015	220

Lifeguards, Ski Patrol, and Other Recreational Protective Service Workers

Year	Number
2015	620
2016	630
2017	590

Protective Service Workers, All Other

Year	Number
2015	350
2016	970
2017	820