S.2820: A bill to amend part A of title IV of the Social Security Act to extend and expand the number of States qualifying for supplemental grants under the Temporary Assistance for Needy Families program.

Amends part A (Temporary Assistance for Needy Families) (TANF) of title IV of the Social Security Act to change the TANF supplemental grant for population increases in certain states into simply a supplemental grant for certain states, for FY2009 and FY2010, including both qualifying states that received and qualifying states that did not receive a supplemental grant for FY2008, if their TANF resources are below average.