Fredericktown is a city located in Missouri. With a 2020 population of 3,950, it is the 166th largest city in Missouri and the 5453rd largest city in the United States. Fredericktown is currently declining at a rate of -0.43% annually and its population has decreased by -0.88% since the most recent census, which recorded a population of 3,985 in 2010. Fredericktown reached it's highest population of 4,045 in 2012. Spanning over 4 miles, Fredericktown has a population density of 913 people per square mile.
The average household income in Fredericktown is $51,704 with a poverty rate of 18.71%. The median rental costs in recent years comes to $721 per month, and the median house value is $85,900. The median age in Fredericktown is 34.4 years, 31.1 years for males, and 41.7 years for females. For every 100 females there are 90.5 males.