Barnesville is a city located in Clay County Minnesota. With a 2020 population of 2,594, it is the 230th largest city in Minnesota and the 6715th largest city in the United States . Barnesville is currently declining at a rate of -0.15% annually but its population has increased by 1.21% since the most recent census, which recorded a population of 2,563 in 2010. Barnesville reached it's highest population of 2,606 in 2018. Spanning over 2 miles, Barnesville has a population density of 1,255 people per square mile.
The average household income in Barnesville is $82,259 with a poverty rate of 8.42%. The median rental costs in recent years comes to $728 per month, and the median house value is $161,100. The median age in Barnesville is 35.6 years, 32.9 years for males, and 38.3 years for females.