Their jurisdictions coincide for the most part with the magisterial and fiscal boundaries.
Three justices of the peace are elected in each magisterial district for a term of four years.
Each magisterial district constitutes a school district and there are also a few independent school districts.
Each county is divided into magisterial districts, varying in number from three to eleven.
Each of the magisterial districts (of which, as has been said, there must be at least three and not more than ten in each county) elects one or two magistrates and constables, and a board of education of three members.