Population Demographics
As of 2024 the population of Kearny County is 3,869. The population is expected to shrink to 3,757 by 2029 - a growth rate of -0.59%.
The median age of Kearny County residents is 35.
The diversity index of Kearny County is 74.9, meaning that there is a 75% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.