Middleburg is a city located in Clay County Florida. Middleburg has a 2020 population of 14,111. Middleburg is currently declining at a rate of 0.00% annually and its population has increased by 8.48% since the most recent census, which recorded a population of 13,008 in 2010. Middleburg reached it's highest population of 14,111 in 2019.
The average household income in Middleburg is $66,612 with a poverty rate of 12.45%. The median rental costs in recent years comes to $1,019 per month, and the median house value is $138,800. The median age in Middleburg is 40.2 years, 38.7 years for males, and 40.8 years for females.