Short answers, pulled from the story.
The American Political Science Association was founded in 1903 in the Tilton Memorial Library (now Tilton Hall) of Tulane University in New Orleans. Frank J. Goodnow served as its first elected president, for the 1904-1905 term.
APSA's headquarters are at 1527 New Hampshire Avenue NW in Washington, D.C., in a historic building within the Dupont Circle Historic District. Previous owners of the building include Admiral George Remy, labor leader Samuel Gompers, the American War Mothers, and Harry Garfield, son of President James A. Garfield.
Ralph J. Bunche was the first African American to serve as APSA president, holding that position from 1953 to 1954. It was during his presidency that APSA purchased its current headquarters building in Washington, D.C.
Dianne Pinderhughes served as the first African-American woman president of APSA for the 2007-2008 term. Mae C. King had earlier become the first woman and first African-American woman to serve as Senior Staff Associate for the association, in 1969.
APSA publishes four journals: the American Political Science Review, Perspectives on Politics, the Journal of Political Science Education, and PS: Political Science and Politics. APSA organized sections publish or are associated with fifteen additional journals.
Yes, Woodrow Wilson served as APSA president for the 1909-1910 term, before becoming President of the United States. He followed Abbott Lawrence Lowell in the APSA presidential rotation.