The crossword solution for the term 'Palindromic City in Oklahoma' is ADA. ADA is a city located in Pontotoc County, Oklahoma, United States. It is the county seat of Pontotoc County and is notable for its palindromic name, which reads the same forwards and backwards. The population was 16, 810 at the 2010 census, an increase of 7.1 percent from 15, 691 at the 2000 census. ADA is home to East Central University, and is the headquarters of the Chickasaw Nation.