(Digest of the french version)

ATLAS OF THE U.S. PRESIDENTIAL ELECTIONS SINCE 1789


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What happened in 2004


The 2008 democratic party primaries: map by counties!


From 2004 to 2008


And now... 2012! with the explanatory maps


STATISTICAL SOURCES


Presidential election results by counties and states :
-- W. D. Burnham : Presidential Ballots, 1836-1892 -- E. E. Robinson : The Presidential Vote : 1896 to 1932 -- R. M. Scammon : America at the Polls (1920-1964) -- R. M. Scammon : America at the Polls (1968-1984) -- R. M. Scammon / A. McGillivray : America Votes n° 18, 1988; n° 20, 1992; n° 22, 1996; n° 24, 2000 -- Secretary of state for all states and all ballots since 2000 -- Various almanacs to complete MM. Burnham and Robinson
Electoral participation (popular vote) by counties :
-- Electoral returns by counties and datas of the Bureau of the Census regarding 1880, 1920, 1960, 2000 and 2010

Conception et réalisation : Frédéric SALMON