Population Demographics
As of 2025 the population of Sartell is 20,277. The population is expected to grow to 20,724 by 2030 - a growth rate of 0.44%.
The median age of Sartell residents is 36.
The diversity index of Sartell is 27.5, meaning that there is a 28% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.