Historical Population Density Data (1910-2020) - Census.gov
https://www.census.gov/data/tables/time-series/dec/density-data-text.html
WEBNote: Population density is a measure of the average population per square mile of land. Density rankings 1 to 52 include the District of Columbia and Puerto Rico. United States 1; Resident Population: 331,449,281: 308,745,538: 281,421,906: 248,709,873: 226,545,805: 203,211,926: 179,323,175: 151,325,798: 132,165,129: 123,202,660: 106,021,568: ...
DA: 45 PA: 95 MOZ Rank: 31