Population Demographics
As of 2026 the population of Sartell is 20,491. The population is expected to grow to 21,032 by 2031 - a growth rate of 0.52%.
The median age of Sartell residents is 36.
The diversity index of Sartell is 29.2, meaning that there is a 29% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.