River Oaks is an affluent community located in the geographic center of Houston, Texas, United States. Located within the 610 Loop and between Downtown and Uptown, the community spans 1,100 acres (450 ha). Established in the 1920s by brothers William and Michael Hogg, the community became a well-publicized national model for community planning. River Oaks is considered to be one of the wealthiest communities in Texas and has one of the wealthiest zip codes in the United States. Real estate values in the community range from $1 to over $20 million. The community is home to River Oaks Country Club, which includes a golf facility designed by architect Donald Ross.