Population Demographics
As of 2026 the population of Clinton County, NY is 77,211. The population is expected to shrink to 76,253 by 2031 - a growth rate of -0.25%.
The median age of Clinton County, NY residents is 42.
The diversity index of Clinton County, NY is 28.1, meaning that there is a 28% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.