This map, based on U.S. Census data, shows where this growth has been the fastest. The data shows that the seven fastest-growing Pennsylvania counties ... rates reached a historic low of 1.6 ...

Flynn Nicholls is a Newsweek reporter based in London, U.K. His focus is reporting on U.S. politics and society. Originally from New Zealand, Flynn joined Newsweek in 2024 and had previously ...