is situated on the northwest quarter of section 8 and the east edge of the northeast quarter of section 7 in York Township. It is located about 10 miles south of Marshall on the New York Central R. R. east of route 1.

The settlement took its name from the Walnut Prairie which was so named by early settlers for the many walnut trees which grew around its edge.

A Post office was established at Walnut Prairie on March 24, 1875.  It was discontinued on May 15, 1923.