Cardwell is located in southeast Missouri. Cardwell is part of Dunklin County. Cardwell has 0.63 square miles of land area and has no water area. As of 2010-2014, the total Cardwell population is 598, which has shrunk 24.21% since 2000. The population growth rate is much lower than the state average rate of 7.74% and is much lower than the national average rate of 11.61%. Cardwell median household income is $28,000 in 2010-2014 and has grown by 33.07% since 2000. The income growth rate is higher than the state average rate of 25.91% and is higher than the national average rate of 27.36%. Cardwell median house value is $41,100 in 2010-2014 and has grown by 35.20% since 2000. The house value growth rate is lower than the state average rate of 52.06% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Cardwell is close to the state average in quality. The Cardwell area code is 573.