Median Age in Sussex County, NJ
ACS 2024 5-Year Estimates
43.8 years
Rank #981/3,222 · #4 in NJ
70th
Sussex 43.8 years
NJ 40.1 years +9.2%
US 38.9 years +12.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Sussex County's median age of 43.8 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 Sussex County for median age.
Nearby Rankings
Full ranking →| #978 | Carlisle County, KY | 43.8 years |
| #979 | Wayne County, KY | 43.8 years |
| #980 | Norman County, MN | 43.8 years |
| #981 | Sussex County, NJ | 43.8 years |
| #982 | Cayuga County, NY | 43.8 years |
| #983 | Alexander County, NC | 43.8 years |
| #984 | Surry County, NC | 43.8 years |
About Median Age
Sussex County, New Jersey has a median age of 43.8 years, ranking #981 of 3,222 counties nationwide — 12.6% above the national value of 38.9 years. Within New Jersey, it ranks #4 of 21. This places it in the 70th 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.