Us Population 2024 Per Square Mile. The states with the highest population densities are all located in the northeast region of the u.s., with new jersey (1,259 residents per square mile), rhode island (1,055), massachusetts. The population of new york city is the same as that of the 10 least.
Contrastingly, alaska, with the lowest density, has only 1 resident per square mile โa. Approximately 65 percent of the u.s.