Population Demographics
As of 2026 the population of Cardwell is 64. The population is expected to grow to 66 by 2031 - a growth rate of 0.62%.
The median age of Cardwell residents is 43.
The diversity index of Cardwell is 8.9, meaning that there is a 9% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.