Source:
Leip, David. Dave Leip's Atlas of U . S. Presidential Elections.
http://uselectionatlas . org (date).
Here we only show the name of county which is large enough in cartogram, so some county name will appear and some disappear as time goes.
There is some error placing the name of Jefferson county in 1960 map, sorry I don't know how to fix it
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Hope you enjoy
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1960:
Richard Nixon Republican 602,607 53.59%John Kennedy Democrat 521,855 46.41%1980:
Ronald Reagan Republican 635,274 49.07%James Carter Democrat 616,417 47.61%John Anderson And. Coalition 31,127 2.40%
2000:
George W. Bush Republican 872,492 56.50%Albert Gore Jr. Democratic 638,898 41.37%2020:
Donald J. Trump Republican 1,326,646 62.09%Joseph R. Biden, Jr. Democratic 772,474 36.15%