Population Demographics
As of 2024 the population of Harper County is 5,223. The population is expected to shrink to 4,991 by 2029 - a growth rate of -0.90%.
The median age of Harper County residents is 44.
The diversity index of Harper County is 35.9, meaning that there is a 36% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.