Maricopa County is a city located in United States. According to the latest available data (2026), the population of Maricopa County is approximately 4,420,568 residents. The city is one of the major urban areas in United States.
Maricopa County City Statistics
| City | Maricopa County |
| Country |  United States |
| Population | 4,420,568 |
| Latitude | 33.5139 |
| Longitude | -112.4758 |
| Region | Arizona |
| Data Year | 2026 |
Where is Maricopa County located?
Maricopa County is located in United States, in the Arizona region, at approximately 33.5139 latitude and -112.4758 longitude.
Nearby Cities
San Diego County
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Los Angeles
United States — Pop. 3,898,747
Los Angeles County
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Guadalajara metropolitan area
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Harris County
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Mexico City
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Cook County
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Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 4 | Los Angeles County | 10,014,009 |
| 5 | New York City | 8,804,190 |
| 6 | Cook County | 5,275,541 |
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
Frequently Asked Questions
What is the population of Maricopa County?
The population of Maricopa County is approximately 4,420,568 residents according to the latest available data (2026).
Where is Maricopa County located?
Maricopa County is located in United States at approximately 33.5139 latitude and -112.4758 longitude.
Is Maricopa County one of the largest cities in United States?
With a population of 4,420,568, Maricopa County is one of the major urban areas in United States.
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