Stillwater was founded in 1889 and incorporated in 1899.
Stillwater has a diverse economy with a foundation in aerospace, agribusiness, biotechnology, optoelectronics, printing and publishing, and software and standard manufacturing.
Stillwater Creek received its official name in 1884 when William L. Couch established his “boomer colony” on its banks.
Stillwater holds many annual events which attract people from all over the region. These include the Boomer Blast 4th of July Celebration, the Stillwater Home Builders Association Home and Garden Show, the Fine Art & Music Festival, the Tumbleweed Calf Fry, the Oklahoma Special Olympics State Games, and the Payne County Free Fair.
The city has a total area of 28.3 square miles, of which 27.9 square miles is land and 0.5 square miles is water.
Stillwater has been a sister city to Kameoka since 1985. The State of Oklahoma and Kyoto Prefecture signed a sister state agreement in 1985 through the auspices of the governor’s office.
The estimated population of Stillwater is 50,183, as of 2020.
Stillwater is home to the Original Hideaway Pizza, Oklahoma’s oldest pizzeria.
. The city is home to the National Wrestling Hall of Fame and Museum.
Stillwater has a humid subtropical climate, and is located in the area popularly known as “Tornado Alley”. Tornado watches and warnings are frequent, with sirens sounding to warn townsfolk to hurry to shelters when necessary.