In 1944 Incumbent president Franklin Roosevelt narrowly carried the state of New Jersey by 1 point. Roosevelt did well in some of the more heavily populated parts of the state. In north jersey FDR got 64% in Jersey city. His best area was south jersey where won 6/7 counties.

#ElectionTwitter Here's a list of the top 10 metro areas where Democratic vote share declined the most from 1908 to 1912:

As California transitioned from truly a swing state to a state that at least leaned Dem in 2000, Democratic candidate Al Gore would have won 38/52 House districts under today's map. He would have only carried 3/9 House seats between Orange and San Diego Counties.

#ElectionTwitter Here's a list of the top 10 metro areas where Democratic vote share increased the most from 1908 to 1912:

Presenting, finally, the 2024 presidential election in California, mapped by precinct. Swinging 9 points rightward from Biden's win in 2020, Harris' collapse in the Central Valley and among urban minorities kept her to a tepid 20 point win in the Golden State.

#ElectionTwitter Here's a graph of the average PVI by decade for Washington state. The state went from being blue in the New Deal era to becoming a swing state in the postwar age, and then became increasingly blue again from the 1980s onwards as Seattle became a Dem stronghold.