Population Demographics
As of 2025 the population of Finney County is 37,976. The population is expected to shrink to 37,777 by 2030 - a growth rate of -0.11%.
The median age of Finney County residents is 33.
The diversity index of Finney County is 83.3, meaning that there is a 83% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
