Good point. However, in my experience messing around with choropleth maps, I often find myself resorting to web scraping in the end when I want something more c

Good point. However, in my experience messing around with choropleth maps, I often find myself resorting to web scraping in the end when I want something more current (opinion polling). Despite this data being seemingly everywhere, and companies often wanting you to use it (with attribution) so they can get advertising for other services, they never seem to have an API.