You have to be 18.
In West Virginia, a child can decide which parent they want to live with when they are 18.
They have to be 18.
When they are 18.
When they are 18.
16
When they are 18.
!* 18
They have to be 18.
age 18 see links
In Washington State, there is no specific age at which a child can decide which parent they want to live with. However, the court may take the child's preferences into consideration if they are deemed to be mature enough to express reasoned and intelligent opinions about their custodial arrangement. Generally, older teenagers, around the age of 14 or 15, are more likely to have their preferences considered by the court.
18, assuming the one they want to live with is willing to have them.
Unless the law has changed since 2001, the age is 18.