sentences:  The McHenry County Government Center, located on the north end of Woodstock along Illinois Route 47, features county offices as well as judicial facilities.The current Sheriff of McHenry County, Illinois is Bill Prim, who was first elected in 2014.McHenry County has voted for the Republican candidate for President in all but two elections since 1880, the first being when “Bull Moose” candidate and former Republican president Theodore Roosevelt won the county in 1912.