Oldest by median age in New Jersey
New Jersey counties and cities ranked by median age.
This page ranks the counties and cities of New Jersey by median age — which have the highest median age, according to the US Census Bureau's American Community Survey 5-year estimates.
Among counties, Cape May County leads at 51.4 yrs.
Among cities & places, Brookfield leads at 82.6 yrs.
Counties
| # | Name | Median age | |
|---|---|---|---|
| 1 | Cape May County | 51.4 yrs | |
| 2 | Hunterdon County | 46.2 yrs | |
| 3 | Sussex County | 44.1 yrs | |
| 4 | Warren County | 43.9 yrs | |
| 5 | Monmouth County | 43.2 yrs | |
| 6 | Morris County | 42.7 yrs | |
| 7 | Atlantic County | 42.2 yrs | |
| 8 | Bergen County | 42.1 yrs | |
| 9 | Salem County | 41.9 yrs | |
| 10 | Somerset County | 41.9 yrs | |
| 11 | Burlington County | 41.7 yrs | |
| 12 | Ocean County | 41.4 yrs | |
| 13 | Gloucester County | 40.1 yrs | |
| 14 | Middlesex County | 39.4 yrs | |
| 15 | Mercer County | 39.2 yrs | |
| 16 | Union County | 39.1 yrs | |
| 17 | Camden County | 38.8 yrs | |
| 18 | Passaic County | 38.1 yrs | |
| 19 | Essex County | 37.7 yrs | |
| 20 | Cumberland County | 37.6 yrs | |
| 21 | Hudson County | 35.8 yrs |
Cities & places
Top 100.Nationwide
1Other rankings in New Jersey
20- Largest by population in New Jersey
- Most densely populated in New Jersey
- Highest median household income in New Jersey
- Highest median home value in New Jersey
- Most affordable home values in New Jersey
- Highest median gross rent in New Jersey
- Cheapest median gross rent in New Jersey
- Youngest by median age in New Jersey
- Most college-educated in New Jersey
- Highest poverty rate in New Jersey
- Lowest poverty rate in New Jersey
- Highest homeownership rate in New Jersey
- Lowest homeownership rate in New Jersey
- Longest commutes in New Jersey
- Shortest commutes in New Jersey
- Largest households in New Jersey
- Newest housing in New Jersey
- Oldest housing in New Jersey
- Fastest-growing (2019–2023) in New Jersey
- Fastest-shrinking (2019–2023) in New Jersey