Coolidge is a city in Pinal County, Arizona, United States. The population was 13,218 at the 2020 census, and was estimated to be 19,674 in 2024.
Original 1939 Coolidge High School, now the office for Coolidge Unified School District
Main street of Coolidge on a Saturday afternoon during cotton harvest (ca. 1922–1953)
The Casa Grande Ruins are located at Ruins Drive in Coolidge, Az. Built by the Hohokam, the Casa Grande was abandoned around 1450 CE. Written historic accounts of the Casa Grande begin with the journal entries of Padre Eusebio Francisco Kino when he visited the ruins in 1694. Listed in the National Register of Historic Places in 1966, and reference #66000192.
Inside the Casa Grande Big House Ruins
State Route 287, also known as SR 287, is a predominantly east–west state highway in central Arizona. Originally, this highway number only applied to Florence-Coolidge Highway; the branch to Casa Gran
SR 287, the Florence-Coolidge Highway, in downtown Florence.