Grundy is a city located in Buchanan County Virginia. It is also the county seat of Buchanan County. With a 2020 population of 871, it is the 143rd largest city in Virginia and the 10892nd largest city in the United States . Grundy is currently declining at a rate of -1.58% annually and its population has decreased by -14.69% since the most recent census, which recorded a population of 1,021 in 2010. Grundy reached it's highest population of 1,013 in 2010. Spanning over 5 miles, Grundy has a population density of 175 people per square mile.
The average household income in Grundy is $51,631 with a poverty rate of 15.21%. The median rental costs in recent years comes to $791 per month, and the median house value is $152,800. The median age in Grundy is 35.1 years, 29.8 years for males, and 37.8 years for females.