Cardwell is a city located in Missouri. With a 2020 population of 631, it is the 426th largest city in Missouri and the 12333rd largest city in the United States. Cardwell is currently declining at a rate of -1.41% annually and its population has decreased by -11.50% since the most recent census, which recorded a population of 713 in 2010. Cardwell reached it's highest population of 713 in 2010. Spanning over 1 miles, Cardwell has a population density of 1,002 people per square mile.
The average household income in Cardwell is $60,355 with a poverty rate of 40.29%. The median rental costs in recent years comes to $574 per month, and the median house value is $43,900. The median age in Cardwell is 40.2 years, 34.9 years for males, and 45.3 years for females. For every 100 females there are 100.3 males.