Waurika is the county seat of Jefferson County, Oklahoma, United States. The population was 1,837 as of the 2020 United States census. An a…Waurika is the county seat of Jefferson County, Oklahoma, United States. The population was 1,837 as of the 2020 United States census. An article from 1985 in The Oklahoman claimed that Waurika promoted itself as "The Parakeet Capital of the World," while giving no explanation for using this slogan. The Waurika Chamber of Commerce website in 2020 echoed that the town was "once a parakeet paradise," but currently seems to be promoting the motto On The Trail, By The Lake, complete with a logo of a cowboy bronc-riding a fish.