Population Demographics
As of 2025 the population of Stevens County is 5,090. The population is expected to shrink to 4,937 by 2030 - a growth rate of -0.61%.
The median age of Stevens County residents is 37.
The diversity index of Stevens County is 74.4, meaning that there is a 74% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
