Joplin, MO is located in Jasper County. It is home to 34586 people. The median household income is $34,451.00 (Source: 2000 Census). The average home value was $75,200.00 (Source: 2000 Census). Nearby towns and cities include Joplin, Carthage, Neosho, Webb City, Carl Junction. Find listings of real estate for sale in Joplin below.