Population Demographics
As of 2025 the population of Boulder is 1,223. The population is expected to grow to 1,320 by 2030 - a growth rate of 1.54%.
The median age of Boulder residents is 45.
The diversity index of Boulder is 26.2, meaning that there is a 26% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.