One to two years, depends on what type of stick insect and the conditions their kept in.
More or Less 1 Year
Some species of stick insects are but the common house Indian labatorys stick insect will only grow up to 3 inches.
It varies between the Stick Insects like a Spiny Leaf the females live to 18 months, males 1Yr.
I have a few indian stick bugs, and their abdomens are around 2 cm long, but their torsoes are around 3 cm. The whole bug itself is around 8 cm.
about 10cm
if you want it to live as long as you live you can stick with that
sticky browny long legs weirdo
Yes they have, but not really really long (okay)
They live for about a year or two depending on what they eat
Lathi
How_long_do_most_adult_insects_live
The average age is about 1 year, although some species can reach up to 2 years of age due to slower growth rates than normal.
They live in tepees, and long houses.