Population Demographics
As of 2025 the population of Sanderson is 542. The population is expected to shrink to 539 by 2030 - a growth rate of -0.11%.
The median age of Sanderson residents is 49.
The diversity index of Sanderson is 78.0, meaning that there is a 78% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.