Population Demographics
As of 2024 the population of O'Donnell is 672. The population is expected to shrink to 669 by 2029 - a growth rate of -0.09%.
The median age of O'Donnell residents is 42.
The diversity index of O'Donnell is 69.5, meaning that there is a 70% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.