The boundary of the county is as follows:
Situate in the State of Indiana and being all of Township 16 North, Range 3 West, Township 16 North, Range 4 West, Township 16 North, Range 5 West, Township 15 North, Range 3 West, Township 15 North, Range 4 West, Township 15 North, Range 5 West; Township 14 North, Range 3 West, Township 14 North, Range 4 West, Township 14 North, Range 5 West Township 13 North, Range 3 West, Township 13 North, Range 4 West, Township 13 North, Range 5 West of the Second Principal Meridian.
Also Sections 1 through 18, Township 12 North, Range 3 West; Sections 1 through 18 Township 12 North, Range 4 West and Sections 1 through 18, Township 12 North, Range 3.
Also all that part of Township 13 North, Range 2 West and Sections 28 through 33 Township 14 North, Range 2 West that lies West of Mill Creek.
(1983 Code, Ch. 2, § 1-2-1)