Population Demographics
As of 2024 the population of Buffalo County is 51,245. The population is expected to grow to 52,299 by 2029 - a growth rate of 0.41%.
The median age of Buffalo County residents is 35.
The diversity index of Buffalo County is 40.4, meaning that there is a 40% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.