The Biggest U.S. Cities Past Times Decade

Since the early on years of the US at that spot has been a gradual westward shift inwards the hateful centre of population. In 1790 the almost populated cities inwards the U.S. were all on the East Coast. In the 2010 census seven of the 10 largest cities were located inwards the Sunday Belt share of the southward as well as west.
H5N1 few weeks agone I saw a actually interesting animated GIF, posted to Reddit, which mapped the peak 10 cities past times population past times decade inwards the United States. You tin move persuasion the map, past times Reddit user Eudaimonics, here. Being an animated GIF agency that you lot can't interact alongside the map. I actually wanted to play alongside the map therefore I decided to exercise my ain interactive map of the same data.
Shifting Cites shows the peak 10 almost populated U.S. cities for every decade since 1790. The map likewise shows the hateful centre of population inwards the USA for each decade. The information for the map comes from each U.S.census every bit listed on these ii Wikipedia articles; Largest cities inwards the US past times population past times decade & Mean centre of the U.S. population.
To exercise the map I made extensive role of the Leaflet mapping library's Layer Groups feature to grouping cities past times decade. The map as well as therefore only uses an HTML5 attain slider command to charge the markers onto the map past times the relevant decade.
When you lot guide a decade from the slider command the bluish markers demo the place of the peak 10 almost populated cities as well as the crimson mark shows the hateful centre of the population. The left manus side panel likewise updates to demo a numbered listing of the peak 10 cities for the selected decade. The pocket-size window inwards the peak right-hand corner of the map likewise updates to supply to a greater extent than full general information on the patterns of population get beingness shown on the map.