Onancock is a city located in Accomack County Virginia. With a 2020 population of 1,187, it is the 126th largest city in Virginia and the 9632nd largest city in the United States . Onancock is currently declining at a rate of -1.00% annually and its population has decreased by -6.02% since the most recent census, which recorded a population of 1,263 in 2010. Onancock reached it's highest population of 1,261 in 2011. Spanning over 1 miles, Onancock has a population density of 1,134 people per square mile.
The average household income in Onancock is $78,107 with a poverty rate of 15.30%. The median rental costs in recent years comes to $852 per month, and the median house value is $217,600. The median age in Onancock is 57.3 years, 54 years for males, and 58.9 years for females.