Incorporated July 25, 1911, this “mother city” of the prolific Midway-Sunset Oil Fields is the gateway to the Cerro Noreste/Mt. Pinos recreation area. Maricopa is the name applied by a Pima Indian Tribe to a neighboring tribe of Uymas inhabiting the Gila River Valley in southern Arizona.
The name Four Peaks is a reference to the four distinct peaks of a north–south ridge forming the massif's summit. The northernmost peak is named Brown's Peak and is the tallest of the four at 7,659 feet (2,334 m). It is the highest point in Maricopa County.
ZIP Code 85138 Map, Demographics, More for Maricopa, AZ.
There are 27 towns and cities in Maricopa County, AZ. There are also 19 census-designated places (CDPs).
Maricopa County is one of the largest counties in the United States by area, with a land area greater than that of four other US states. From west to east, it stretches 132 miles (212 km), and 103 miles (166 km) from north to south.
Maricopa County is Arizona's most populous and fastest growing county. It is the largest of Arizona's fifteen counties and the fourth largest county in the nation. Approximately four and half million people call Maricopa County home, more than half of the entire population of Arizona.
From west to east, it stretches 132 miles (212 km), and 103 miles (166 km) from north to south. It is by far Arizona's most populous county, encompassing well over half of the state's residents. It is the largest county in the United States to have a capital city.
Maricopa County is Arizona's most populous and fastest growing county. It is the largest of Arizona's fifteen counties and the fourth largest county in the nation.
All Counties in Arizona RankCountyValue 1 Maricopa County, AZ 4,430,871 2 Pima County, AZ 1,042,393 3 Pinal County, AZ 433,338 4 Yavapai County, AZ 237,83011 more rows
Adjacent counties La Paz County – west. Yuma County – west. Pima County – south. Pinal County – southeast and south. Gila County – east. Yavapai County – north.