A bill to provide for a domestic defense fund to improve the Nation's homeland defense, and for other purposes.

Domestic Defense Fund Act of 2004 - Authorizes the Secretary of Homeland Security to award grants to States, units of local government, and Indian tribes for homeland security development. Requires grant awardees, among other requirements, to develop a homeland security plan identifying both short- and long-term homeland security needs. Provides authorized uses of grant assistance, including:...