Petersburg is a city located in Virginia. With a 2020 population of 31,926, it is the 18th largest city in Virginia and the 1230th largest city in the United States . Petersburg is currently growing at a rate of 0.92% annually but its population has decreased by -1.52% since the most recent census, which recorded a population of 32,420 in 2010. Petersburg reached it's highest population of 41,055 in 1980. Spanning over 23 miles, Petersburg has a population density of 1,405 people per square mile.
The average household income in Petersburg is $53,064 with a poverty rate of 24.07%. The median rental costs in recent years comes to $947 per month, and the median house value is $108,100. The median age in Petersburg is 38.1 years, 35.6 years for males, and 41.1 years for females.