Population Demographics
As of 2025 the population of Republic County is 4,638. The population is expected to shrink to 4,600 by 2030 - a growth rate of -0.16%.
The median age of Republic County residents is 49.
The diversity index of Republic County is 16.3, meaning that there is a 16% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
