Seeley is a CDP located in Cumberland County, New Jersey. Seeley has a 2026 population of 78. Seeley is currently growing at a rate of 6.85% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Seeley is 67.6 years: 71.7 years for males, and 60.5 years for females. For every 100 females there are 102.4 males.
Data after 2023 is projected based on recent change
Overall: 67.6 years
Female: 60.5 years
Male: 71.7 years
There are 74 adults, (58 of whom are seniors) in Seeley.
Female: 42 (49.4%)
Male: 43 (50.6%)
The racial composition of Seeley includes 68.24% White, 31.76% Black or African American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 58 | 68.24% |
| Black or African American | 27 | 31.76% |