Harrah is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. Located 25 miles (40 km) east of downtown Oklahoma City, Harrah had a population of 5,095 people as of the 2010 Census.
The first settler of the area, who was Potawatomi, arrived in the 1870s, but the town was not incorporated until 1908. The town was settled by Americans, Polish immigrants and other groups and had a cotton ginning center. The city is overseen by a city council and mayor and includes a police department and fire station.
Harrah is a small city in Oklahoma with a total land area of 11.9 square miles (31 km2), all land. The city's elevation is 925 feet (282 m) above sea level. It lies partly in the Great Plains near the geographical center of the 48 contiguous states in the United States. It lies between the larger cities of Oklahoma City to the west and Shawnee, to the east, in Oklahoma County.
Harrah is located in the Crosstimbers ecoregion and the Frontier Country tourism region.
Oklahoma is located in a temperate region and experiences occasional extremes of temperature and precipitation typical of a continental climate. Harrah lies in an area known as Tornado Alley characterized by frequent interaction between cold and warm air masses producing severe weather.