Ristine, MissouriRistine is an unincorporated community in New [Madrid County, Missouri|New Madrid County], in the U.S. state of Missouri.HistoryRistine was laid out in 1882, when the railroad was extended to that point. A post office called Ristine was established in 1888, and remained in operation until 1894. The community has the name of one Mr. Ristine, a railroad official.