Grundy County is a county located in the U.S. state of Missouri. As of the 2020 census, the population was 9,808. Its county seat is Trenton. The county was organized January 2, 1841, from part of Livingston County, Missouri and named after U.S. Attorney General Felix Grundy.
Grundy County Courthouse in Trenton
Trenton is a city in Grundy County, Missouri, United States. The population was 5,609 at the 2020 census. It is the county seat of Grundy County. The city used to be the world's largest producer of vienna sausages.
Grundy County Courthouse
Former site of Trenton High School which is on the site of Ruskin College. The building is on the National Register of Historic Places