Median Age in Monmouth County, NJ
ACS 2024 5-Year Estimates
How Monmouth County Compares
National Distribution
Where Monmouth County falls among all 3,222 U.S. counties for median age.
■ Monmouth County: 43.2 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,160 | Beaverhead County, MT | 43.2 years |
| #1,161 | Merrick County, NE | 43.2 years |
| #1,162 | Lyon County, NV | 43.2 years |
| #1,163 | Monmouth County, NJ | 43.2 years |
| #1,164 | Walsh County, ND | 43.2 years |
| #1,165 | Mahoning County, OH | 43.2 years |
| #1,166 | Morrow County, OH | 43.2 years |
Median Age in Monmouth County, New Jersey
Monmouth County, New Jersey has a median age of 43.2 years, which ranks #1,163 of 3,222 out of 3,222 counties nationwide. This is 11.1% above the national value of 38.9 years.
Within New Jersey, Monmouth County ranks #5 of 21 out of 21 counties. This places it in the 64th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.