Maricopa County is a county in the U.S. state of Arizona, AZ with an estimated population of 4,410,824 as of July 1, 2018 and is thus ranked 133 in the United States.
In contrast to the 2010 census, the population of Maricopa County was still 3,817,359. This means that the 2018 population percent change from 2010 population of Maricopa County has risen by 15.6%.
Maricopa County is formed in 1871 and covers an total area of 9,224.39 square miles. This area is divided into 9,200.14 square miles land area and 24.25 square miles water area. Density per square kilometre of land area are 414.9 of population in 178.2 housing units.
There were 1,639,279 housing units in the whole of Maricopa County for the 2010 census with 1.411.583 total households, 932.814 of them family households. At the 1990 census, the population of Maricopa County was still 2,122,101. 2011 population percent change from 1990 population of Maricopa County was still 79,87 %, or expressed in detail 1.695.016 inhabitants. 2017 ACS Population - High School Diploma or more as a percent of 2017 ACS Population - Population 25 and over was 87.1% (percent) and is ranked number 1647 of all counties in the United States.
Labor Force 2018 in Maricopa County was 2,229,526 and is ranked number 4, with a Unemployment Rate 2018 of 4.1 % (percent), which is ranked on number 1296 of all counties in the United States. Median Household Income 2017 was $62,221 (percent), which is ranked on number 471 of all counties in the United States. To the area of Maricopa County also includes Phoenix-Mesa-Scottsdale, AZ Metropolitan Statistical Area.