Unionville is a city located in Missouri. With a 2020 population of 1,742, it is the 262nd largest city in Missouri and the 8142nd largest city in the United States. Unionville is currently declining at a rate of -0.68% annually and its population has decreased by -6.60% since the most recent census, which recorded a population of 1,865 in 2010. Unionville reached it's highest population of 1,862 in 2010. Spanning over 2 miles, Unionville has a population density of 873 people per square mile.
The average household income in Unionville is $37,038 with a poverty rate of 25.14%. The median rental costs in recent years comes to $587 per month, and the median house value is $63,600. The median age in Unionville is 37.2 years, 35.9 years for males, and 42.5 years for females. For every 100 females there are 89.0 males.