Jenks is a city in Tulsa County, Oklahoma, United States, and a suburb of Tulsa, in the northeastern part of the state. It is situated between the Arkansas River and U.S. Route 75. Jenks is one of the fastest-growing cities in Oklahoma. The city's population was 16,924 in the 2010 census, but by 2020, this had grown to 25,949. The Census estimated Jenks' population as 27,553 in 2023.