Population Demographics
As of 2026 the population of Burleigh County is 104,908. The population is expected to grow to 108,476 by 2031 - a growth rate of 0.67%.
The median age of Burleigh County residents is 39.
The diversity index of Burleigh County is 33.4, meaning that there is a 33% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.