Mililani Town is in Honolulu County, in the Honolulu metro area. Mililani is higher in elevation than most areas and receives an average rainfall of 40-50 inches near the H-2 freeway to 75 inches at the far mauka mountain boundary.

Land area: 3.9 square miles

Latitude: 21.45 N, Longitude: 158.02 W

Population: 28,608 as on year 2000

Average summer: low 66 degrees F; high 82 degrees F

Average winter: low 60 degrees F; high 75 degrees F

Average wind speed: 10-15 miles per hour