[2] The county is named in honor of John Wesley Prowers, a leading pioneer in the lower Arkansas River valley region.[3] Prowers County is home of the Antipode of the Indian Ocean island of Île Amsterdam and that island's settlement, La Roche Godon, making it one of the few places in the continental United States with a non-oceanic antipode.[4][5] The center of Ile Amsterdam is at 37.8332° S, 77.5505° E; the antipode, 37.8332° N and 102.4495° W is about 10 miles southeast of Lamar.Males working full-time and year-round had a median income of $32,359 versus $28,727 for females.Prowers County is served by four public school districts: The county is also the home of Lamar Community College, which serves roughly 700 students annually.