Seneca is a city in western Newton County, Missouri, United States. The population was 2,336 at the 2010 census. Located on the southwestern border of the state, the city is part of the Joplin, Missouri Metropolitan Statistical Area.
Downtown Seneca
Bridge over Lost Creek, taken from Oneida Street.
Seneca, Missouri City Hall. Note veterans monument in lower left-hand corner.
Old Schoolhouse behind City Hall.
Newton County is a county located in the southwest portion of the U.S. state of Missouri. As of the 2020 census, the population was 58,648. Its county seat is Neosho. The county was organized in 1838 and is named in honor of John Newton, a hero who fought in the Revolutionary War.
Newton County Courthouse in Neosho
View of the Newton County Courthouse