Population Demographics
As of 2024 the population of Stillwater is 19,530. The population is expected to grow to 20,111 by 2029 - a growth rate of 0.59%.
The median age of Stillwater residents is 44.
The diversity index of Stillwater is 25.3, meaning that there is a 25% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.