(Digest of the french version)

ATLAS OF THE U.S. PRESIDENTIAL ELECTIONS SINCE 1789





What happened in 2004


The 2008 democratic party primaries: map by counties!       -       What happened from 2004 to 2008


What happened from 2008 to 2012


What happened from 2012 to 2016


What happened from 2016 to 2020, 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 -- Various almanacs to complete the many shortcomings of MM. Burnham and Robinson, especially The Chicago Daily News Almanac. -- Secretary of state for all states and all ballots since 2004
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