Rural Disaster Assistance Fairness Act of 2005 - Amends the Robert T. Stafford Disaster Relief and Emergency Assistance Act to require the President to designate a Small State Advocate within the Federal Emergency Management Agency to advocate for the fair treatment of rural communities in the provision of assistance under such Act.
Requires the Under Secretary for Emergency Preparedness and Response of the Department of Homeland Security to report to specified congressional committees on the extent to which disaster declaration regulations: (1) meet the needs of States with populations of less than 1 million; and (2) comply with existing statutory restrictions on the use of arithmetic formulas and sliding scales based on income or population.