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is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. The population was 4,056 at the 2000 census. Nichols Hills is a bedroom community and is completely cut off from further growth. It is surrounded by Oklahoma City and The Village on the north, and by Oklahoma City on the south, east and west. Nichols Hills is a primarily residential area, and has a very low commercial tax base. Nichols Hills is also known to have some of the highest housing prices in the state, and has the highest average household income in Oklahoma. Nichols Hills is home to the Oklahoma City Golf and Country Club, a private establishment. Nichols Hills has a full service city government, to include water, police and fire services.
According to the United States Census Bureau, the city has a total area of 2.0 square miles (5.2 km²), of which, 2.0 square miles (5.2 km²) of it is land and 0.50% is water.