Polk
County is the fourth county west of the
Missour River.
It was originally attached
to Butler County
but by act of Legislature,
it was included
in its present bouondaries.
By order
of his Excellency,
\David Butler, Governor of Nebraska, a
special
election was ordered to be held in Polk
County on August 6,
1870, for the purpose
of electing all necessary county officials.
The
center of population of Nebraska is located
in Polk County, in the village of Shelby.
The county
seat is Osceola
