
Onley
- County:
- Accomack County
- County Seat:
- No
- Area (mi²):
- 0.8
- State:
- Virginia
Onley is a town located in Accomack County, Virginia. Onley has a 2025 population of 532. Onley is currently declining at a rate of -0.19% annually and its population has decreased by -0.75% since the most recent census, which recorded a population of 536 in 2020.
The average household income in Onley is $76,452 with a poverty rate of 7.19%. The median age in Onley is 40.1 years: 33.6 years for males, and 53.1 years for females.