Population Demographics
As of 2025 the population of Burleigh County is 102,930. The population is expected to grow to 106,667 by 2030 - a growth rate of 0.72%.
The median age of Burleigh County residents is 39.
The diversity index of Burleigh County is 31.9, meaning that there is a 32% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.