Blacksburg is a city located in Montgomery County Virginia. With a 2020 population of 43,735, it is the 15th largest city in Virginia and the 893rd largest city in the United States . Blacksburg is currently declining at a rate of -0.57% annually but its population has increased by 2.62% since the most recent census, which recorded a population of 42,620 in 2010. Blacksburg reached it's highest population of 44,555 in 2016. Spanning over 20 miles, Blacksburg has a population density of 2,217 people per square mile.
The average household income in Blacksburg is $70,780 with a poverty rate of 43.27%. The median rental costs in recent years comes to $1,107 per month, and the median house value is $298,400. The median age in Blacksburg is 22 years, 21.9 years for males, and 22.1 years for females.