Waurika is the county seat of Jefferson County, Oklahoma, United States. The population was 2,064 at the 2010 census, a 4.36 percent decrease from 2,158 at the 2000 census.
Waurika is located in northwestern Jefferson County at 34°10′12″N 98°0′5″W / 34.17000°N 98.00139°W / 34.17000; -98.00139 (34.170130, -98.001268). U.S. Route 70 passes through the southern side of the city, leading east 49 miles (79 km) to Ardmore and west 27 miles (43 km) to Randlett. U.S. Route 81 crosses US 70 in the southeastern corner of Waurika, leading north 26 miles (42 km) to Duncan and south 24 miles (39 km) to Ringgold. Oklahoma State Highway 5 (Waurika’s Main Street) leads northwest 19 miles (31 km) to Temple. Waurika is about 109 miles (175 km) southwest of Oklahoma City.
According to the United States Census Bureau, Waurika has a total area of 12.5 square miles (32.4 km), of which 0.01 square miles (0.03 km), or 0.08%, are water. The city center lies on the east side of the valley of Beaver Creek, a south-flowing tributary of the Red River.
Waurika Lake is 6 miles (10 km) northwest of the city center.
As of the census of 2000, there were 1,988 people, 741 households, and 500 families residing in the city. The population density was 168.0 people per square mile (64.9/km²). There were 929 housing units at an average density of 78.5 per square mile (30.3/km²). The racial makeup of the city was 85.41% White, 1.81% African American, 4.28% Native American, 3.37% Asian, 0.10% Pacific Islander, 2.36% from other races, and 2.67% from two or more races. Hispanic or Latino of any race were 8.00% of the population.
There were 741 households out of which 28.5% had children under the age of 18 living with them, 54.1% were married couples living together, 9.9% had a female householder with no husband present, and 32.4% were non-families. 30.5% of all households were made up of individuals and 17.3% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.89.
In the city, the population was spread out with 22.3% under the age of 18, 7.5% from 18 to 24, 29.1% from 25 to 44, 20.6% from 45 to 64, and 20.5% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 107.3 males. For every 100 females age 18 and over, there were 107.9 males.
The median income for a household in the city was $23,800, and the median income for a family was $31,594. Males had a median income of $24,844 versus $16,286 for females. The per capita income for the city was $13,496. About 6.4% of families and 12.2% of the population were below the poverty line, including 14.4% of those under age 18 and 17.4% of those age 65 or over.