Bloomberg has just released a detailed map showing where the 1.8 million migrants who arrived in the US in 2023 are living. This map uses data from immigration court cases to show exactly which counties are seeing the biggest influx of new residents. It turns out that most of these migrants have settled in the eastern half of the country, with notable concentrations in the Mid-Atlantic, Northeast, Midwest, and Rust Belt regions.

Here’s where things get intriguing: The map also highlights that a significant number of these migrants have moved to counties that voted for President Biden in the last election. In fact, about 72% of the migrants settled in these Biden-supporting areas, while fewer ended up in Trump-supporting counties. This means that places where Biden won by a large margin are now home to roughly 60% of the total US population.

In the swing states that will be crucial in this November’s election, migrants have also been making their mark. For example, cities lik...