Law Enforcement Agencies in Fort Pierce, FL FL › St. Lucie County Agencies serving the city of Fort Pierce in FL. Agency Types in Fort Pierce Adult Institutions 1 agencies Coroners 1 agencies County Jails 1 agencies Federal 1 agencies Municipal Police 1 agencies Parole Probation 2 agencies Sheriff 1 agencies Youth Institutions 1 agencies All Agencies in Fort Pierce, FL District 19 Medical Examiner Office St. Lucie County Fort Pierce Cmnty Release Center St. Lucie County Fort Pierce Police Department St. Lucie County Homeland Security Investigations (HSI) St. Lucie County Probation & Parole Services St. Lucie County Probation & Parole Services St. Lucie County Saint Lucie Regional Juvenile Detention Center St. Lucie County St Lucie County Jail St. Lucie County St Lucie County Sheriffs Office St. Lucie County