Median Age in Maricopa County, AZ
ACS 2024 5-Year Estimates
37.6 years
Rank #2,648/3,222 · #10 in AZ
18th
Maricopa 37.6 years
AZ 39.0 years -3.6%
US 38.9 years -3.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Maricopa County's median age of 37.6 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Maricopa County for median age.
Nearby Rankings
Full ranking →| #2,645 | McCurtain County, OK | 37.7 years |
| #2,646 | Pontotoc County, OK | 37.7 years |
| #2,647 | Alexandria city, VA | 37.7 years |
| #2,648 | Maricopa County, AZ | 37.6 years |
| #2,649 | Pulaski County, AR | 37.6 years |
| #2,650 | Garfield County, CO | 37.6 years |
| #2,651 | Tift County, GA | 37.6 years |
About Median Age
Maricopa County, Arizona has a median age of 37.6 years, ranking #2,648 of 3,222 counties nationwide — 3.3% below the national value of 38.9 years. Within Arizona, it ranks #10 of 15. This places it in the 18th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.