About San Tan Valley, AZ 

San Tan Valley is a census-designated place in northern Pinal County, Arizona. It is a bedroom community located in the Phoenix metropolitan area's southeastern suburbs. As of the census of 2010, the population of San Tan Valley was 81,321.

San Tan Valley derives its name from the nearby San Tan Mountains. The origin of the name San Tan is disputed, with suggestions ranging from a corruption of the name Santa Ana to the last name of George Santan, prior postmaster in nearby Gila County. Previously referred to as San Tan Heights, San Tan Foothills, Greater San Tan and simply the San Tan Area, the community lacked any official name and residents used nearby Queen Creek for their mailing addresses. To coincide with the addition of a new ZIP code for the community on July 1, 2009, the United States Postal Service was petitioned to provide the area with a new name. As part of the initial request, "Bella Vista" name was submitted to the postal service, but some local residents opposed the suggested name. In response, the Greater San Tan Area Coalition organized a non-binding vote on June 23, offering residents the opportunity to vote on a name for the community.

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