5/10 of the most populous states 2. Texas 4. Florida 5. New York 9. Georgia 10. North Carolina A quick check to https://en.wikipedia.org/wiki/List_of_stat

5/10 of the most populous states 2. Texas 4. Florida 5. New York 9. Georgia 10. North Carolina A quick check to https://en.wikipedia.org/wiki/List_of_states_and_territories_of_the_United_States_by_population https://en.wikipedia.org/wiki/List_of_states_and_territories... gave me ~38% of the US population