Ray County is a county located in the northwestern portion of the U.S. state of Missouri and is part of the Kansas City metropolitan area. As of the 2020 census, the population was 23,158. Its county seat is Richmond. The county was organized November 16, 1820, and named for John Ray, a Missouri state legislator and member of the first state Constitutiona…Ray County is a county located in the northwestern portion of the U.S. state of Missouri and is part of the Kansas City metropolitan area. As of the 2020 census, the population was 23,158. Its county seat is Richmond. The county was organized November 16, 1820, and named for John Ray, a Missouri state legislator and member of the first state Constitutional Convention.
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