History: Incorporated in 1974, Oro Valley was the 5th fastest-growing city in Arizona from 1990 and 2000. From 1990 to 2005 the town's population grew from 6,670 to approximately 40,000 residents.
Oro valley presently spans approximately 34 square miles (2005), featuring an expanding public parks system, notable outdoor amenities, upscale retailing ventures, and one of the statistically highest performing public school systems in Arizona.
Oro Valley has attempted to strike a balance between population growth and environmental preservation. The town has attracted a number of country clubs, golf courses, and resorts, helping to solidify its reputation as one of the Southwest's most affluent communities, with one of the highest median household incomes in the region.
