Median Age in Somerset County, NJ
ACS 2024 5-Year Estimates
41.8 years
Rank #1,569/3,222 · #10 in NJ
51th
Somerset 41.8 years
NJ 40.1 years +4.2%
US 38.9 years +7.5%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Somerset County's median age of 41.8 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 Somerset County for median age.
Nearby Rankings
Full ranking →| #1,566 | Franklin County, MO | 41.8 years |
| #1,567 | Harrison County, MO | 41.8 years |
| #1,568 | Lewis and Clark County, MT | 41.8 years |
| #1,569 | Somerset County, NJ | 41.8 years |
| #1,570 | Westchester County, NY | 41.8 years |
| #1,571 | Billings County, ND | 41.8 years |
| #1,572 | Darke County, OH | 41.8 years |
About Median Age
Somerset County, New Jersey has a median age of 41.8 years, ranking #1,569 of 3,222 counties nationwide — 7.5% above the national value of 38.9 years. Within New Jersey, it ranks #10 of 21. This places it in the 51th 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.