Population Demographics
As of 2026 the population of Morton County is 35,200. The population is expected to grow to 36,417 by 2031 - a growth rate of 0.68%.
The median age of Morton County residents is 39.
The diversity index of Morton County is 32.9, 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.