The flag of Maricopa County, Arizona is an uneven vertical tricolor of blue, gold, and red. On the blue stripe are five white stars. In the red background is the county's seal.
Former flag[]
The former flag of Maricopa County, Arizona is a purple background with a white disc surrounded by 14 yellow stars. In the middle of the disc are the words "MARICOPA COUNTY" in red, and "Arizona" in purple cursive lettering. The flag was adopted on November 9, 1954, and had proportions of 4:5.