Population Demographics
As of 2026 the population of Finney County is 38,302. The population is expected to grow to 38,386 by 2031 - a growth rate of 0.04%.
The median age of Finney County residents is 33.
The diversity index of Finney County is 83.5, meaning that there is a 84% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
