Population Demographics
As of 2026 the population of Kirbyville is 207. The population is expected to grow to 210 by 2031 - a growth rate of 0.29%.
The median age of Kirbyville residents is 43.
The diversity index of Kirbyville is 34.1, meaning that there is a 34% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.