kahului population
Kahului Â· Population. Question: What is the population of Kahului? Answer: Kahului, United States (Administrative unit: Hawaii) - last known population is â 26 300 (year 2010). This was 0.008% of total United States population. If population growth rate would be same as in period 2000-2010 (+2.72%/year), Kahului population in 2018 would be: 32 634*.