Union County
42,313 people, served by 14 police agencies that report to the FBI. Below: how a case moves here, from arrest to court.
How a case moves here
Union County follows Pennsylvania law on arrests, release, and courts. These rules are the same in every county in the state; the full set covers prosecutors, defense, and jails too.
- Who decides release first
Outside Philadelphia, a magisterial district judge sets bail at the preliminary arraignment. In Philadelphia, an arraignment court magistrate appointed by the Municipal Court sets it; magistrates need not be lawyers if they complete a training program. Neither may set bail for murder or voluntary manslaughter; a Common Pleas judge does.
Pa.R.Crim.P. 51942 Pa.C.S. 1515(a)(4)42 Pa.C.S. 1123(a)(5)- Time to see a judge
A person arrested without a warrant must have a preliminary arraignment without unnecessary delay. The rule sets no hour limit. The U.S. Supreme Court's 48-hour rule for a probable cause finding applies as the federal floor.
Pa.R.Crim.P. 516(A)- Money bail
Money bail is allowed. The rules list five kinds of release, from release on recognizance to a money condition no larger than needed to ensure the person appears.
Pa.R.Crim.P. 524(C)- Courts
The Court of Common Pleas, organized in 60 judicial districts, tries felonies and misdemeanors. Magisterial district judges hear summary offenses, the lowest grade, and hold first arraignments and preliminary hearings. In Philadelphia, the Municipal Court tries crimes punishable by up to five years without a jury.
Unified Judicial System of Pennsylvania, Courts of Common Pleas42 Pa.C.S. 151542 Pa.C.S. 1123- Judges and magistrates
Common Pleas judges win a contested election for a 10-year term, then run in yes-or-no retention elections without party labels. Magisterial district judges are elected in contested elections to six-year terms and need not be lawyers. All other judges must be members of the bar.
Unified Judicial System of Pennsylvania, How Judges Are Elected
Read from the statutes and court rules cited, 2026-09-30. The prison board statute covers counties of the third to fifth class and those that opt in; Philadelphia and Allegheny run jails under other arrangements not read here.
What this county does differently
Nothing county-specific yet
Police agencies
- State Police: Union CountyState Police24,903 served
- Buffalo Valley Regional Police DepartmentCity12,761 served
- PA0600200City7,483 served
- PA0600100City5,278 served
- Mifflinburg Police DepartmentMifflinburg borough3,467 served
- PA060070XCity1,609 served
- New Berlin Police DepartmentCity774 served
- PA0600800City247 served
- Bucknell UniversityUniversity or College
- Bureau of Forestry: Union CountyOther State Agency
- Forest Rangers: Bald Eagle State Forest District 7Other State Agency
- Office of Attorney General Region 2: Union CountyOther State Agency
- State Park Rangers: Raymond B. WinterOther State Agency
- Union County Sheriff's OfficeCounty
Agencies: FBI NIBRS master file 2025 batch headers; names from the FBI agency list, pulled 2026-09-29. An agency that serves several counties appears on each. Population served is the FBI's figure.
Crime and arrests
No figures yet