Westport is a town in Pawnee County, Oklahoma, United States. The population was 298 at the 2010 census, a get of 12.9 percent on culmination of the figure of 264 in 2000.

The city is much newer than most towns in northeast Oklahoma. It was incorporated in the mid 1960s, after expertise of Lake Keystone. Most of the residences were built along with 1960 and 1979. Its first Federal census reported 146 residents in 1970. The census population peaked at 325 in 1990, then dropped to 264 in 2000, perhaps because of major damage inflicted by an F4 tornado that occurred as allocation of the April 26, 1991 tornado outbreak. Over 96 percent of the employed residents commuted to play in Stillwater or Tulsa.

Westport is located at 36°11′47″N 96°21′38″W / 36.19639°N 96.36056°W / 36.19639; -96.36056 (36.196315, -96.360476). According to the United States Census Bureau, the town has a total area of 8.4 square miles (22 km²), of which 4.0 square miles (10 km) is estate and 4.5 square miles (12 km²) (52.78%) is water.

As of the census of 2000, there were 264 people, 99 households, and 82 families residing in the town. The population density was 66.1 inhabitants per square mile (25.5/km²). There were 109 housing units at an average density of 27.3 per square mile (10.5/km). The racial makeup of the town was 87.88% White, 0.76% African American, 3.03% Native American, 0.76% Asian, and 7.58% from two or more races. Hispanic or Latino of any race were 1.89% of the population.