Nicollet County is a county located in the state of Minnesota. It was named for French geographer Joseph N. Nicollet. Based on the 2010 census, the population was 32,727. Its county seat is St. Peter.
Nicollet County is part of the Mankato-North Mankato, MN Metropolitan Statistical Area.
Named for Joseph Nicollet, geographer and explorer, who led expedition to Minnesota and parts of North and South Dakota.
County QuickFacts: CensusBureau Quick Facts
The current state of Minnesota along with Wisconsin, Illinois, and several other states was originally known as the Northwest Territory, often referred to today as the Old Northwest Territory in historical circles. Nicollet County was created in 1853 from previously unorganized territory and was named in honor of the noted French explorer, Joseph N. Nicollet.
In 1880 construction was started on the County Courthouse and it was completed in 1881. Over the years the courthouse has been subject to many renovations of the original structure. The original style was mixed Romanesque and Queen Anne styles of architecture and was designed by noted St. Paul architects of the day; Bassford and Stebbins.
As reported by the Census Bureau, the county has a total area of 467 square miles (1,210 km2), of which 448 square miles (1,160 km2) is land and 18 square miles (47 km2) (3.9%) is water.
Bordering counties are as follows: