Boundary History of Monroe County
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Northern Boundary was diagonal Indian boundary per Fort Wayne agreement, 1809.
Old Jackson/Orange Boundary on East.
Davies County on the West and newly formed Lawrence County on the South.
Site of Bloomington picked as county seat Apr. 11, 1818. Never changed since that time.
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New Northern Boundary on EAST-WEST line approx from where the 1809 diagonal Indian Line ran through the west fork of White River.
Land on other side of White River was no longer in Monroe County.
Tiny piece added on Northern Border by White River, Feb. 10, 1831. This was the south river bank area just across from Gosport.
Brown County formed and the Monroe County territory gained from Bartholomew County now lost to Brown County, Apr. 1, 1836. This is often very significant when tracing families on the border with Brown County. The land involved was at least one township in width and three townships in area.
