New Meadows is a rural city in Adams County, Idaho, United States, at the southern and upper end of the Meadows Valley, on the Little Salmon River. Located in the west central part of the state, just south of the 45th parallel, the population was 517 at the 2020 census, up from 496 in 2010. New Meadows is located at the junction of the primary north–south highway in the state, U.S. Route 95, and State Highway 55, which connects it with McCall and Boise.