Law Enforcement Agencies in Leland Grove, IL IL › Sangamon County Agencies serving the city of Leland Grove in IL. Agency Types in Leland Grove Federal 2 agencies Municipal Police 2 agencies State Agency 1 agencies All Agencies in Leland Grove, IL Bureau of ATF Sangamon County Jerome Police Department Sangamon County Leland Grove Police Department Sangamon County States Attorneys Appellate Prosecutor Sangamon County US Secret Service Sangamon County
