Population Demographics
As of 2025 the population of Cardwell is 63. The population is expected to grow to 64 by 2030 - a growth rate of 0.32%.
The median age of Cardwell residents is 46.
The diversity index of Cardwell is 11.9, meaning that there is a 12% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.