Nichols Hills is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. The population was 3,710 as of the 2010 census. It is considered the most affluent city in Oklahoma, based on per capita income.
The 1,280 acres now known as Nichols Hills were developed as an exclusive residential area by Dr. G.A. Nichols in 1929. Between 1907 and 1929, Dr. Nichols, an Oklahoma City real estate pioneer, developed the University, Paseo Arts District, Military Park, Central Park, Winans, University Place, Gatewood, Harndale, Nichols University Place and Lincoln Terrace neighborhoods of Oklahoma City and designed the city of Nicoma Park, Oklahoma.
By 1928, Dr. Nichols saw many Oklahoma City residential neighborhoods being encroached by the Oklahoma City Oil Field and industrial districts. Recognizing the importance of protecting home owners, Dr.