Idaho allows online charity raffles. Please see the following for more information:
Idaho Code Ann. § 67-77
Title 67 State Government and state affairs Chapter 77 Bingo and Raffles http://legislature.idaho.gov/idstat/Title67/T67CH77SECT67-7710.htm
Below makes it difficult to hold a 50/50 raffle let alone an electronic 50/50 raffle in Idaho
Specific Issues to be aware of:
(2) Raffle drawings must be held in Idaho and shall be limited to twelve (12) per charitable or nonprofit organization per year, provided that this limitation shall not apply to public or private elementary schools, secondary schools or higher education institutions located in this state. The maximum aggregate value of cash prize(s) that may be offered or paid for any one (1) raffle, which is not a duck race is one thousand dollars ($1,000) and if merchandise is used as a prize and it is not redeemable for cash, there shall be no limit on the maximum amount of value for the merchandise.