Cottleville is a city located in Missouri. With a 2020 population of 6,016, it is the 116th largest city in Missouri and the 4295th largest city in the United States. Cottleville is currently growing at a rate of 3.51% annually and its population has increased by 95.64% since the most recent census, which recorded a population of 3,075 in 2010. Cottleville reached it's highest population of 6,016 in 2021. Spanning over 5 miles, Cottleville has a population density of 1,303 people per square mile.
The average household income in Cottleville is $138,662 with a poverty rate of 4.15%. The median rental costs in recent years comes to $1,241 per month, and the median house value is $308,000. The median age in Cottleville is 36.6 years, 33.6 years for males, and 38.8 years for females. For every 100 females there are 110.9 males.