Newkirk is a census-designated place in Guadalupe County, New Mexico, United States. The community is located at the junction of Interstate 40 and New Mexico State Road 129; historic U.S. Route 66 also passes through the community. Its population was 8 as of the 2020 census. Newkirk has a post office serving ZIP Code 88431.
Newkirk was originally called Conant; it was founded in the early 20th century along Route 66. In the 1930s, Newkirk had several restaurants, cabins, four gas stations, as well as De Baca's Trading Post. It is now considered a ghost town.
Its school district is Santa Rosa Consolidated Schools.