(70 ILCS 5/2.5)
(from Ch. 15 1/2, par. 68.2e)
Where territory in more than one county.
In case the territory is situated in 2 or more counties, then the
petition shall be filed in the office of the clerk of the circuit court of
the county in which the greater portion of the territory is situated and it
shall be the duty of the circuit court of the county to set the petition
for hearing, and to do the other acts above required to be performed and to
cause the order determining and declaring results of the election to be
filed in the records of the circuit court and a certified
shall be filed with the clerk of the circuit court of such other county or
counties, who shall cause the same to be filed in the records of the
circuit court of such county or counties.
(Source: P.A. 83-343.)