▁ 2 0 1 9 , ▁ 6 ▁regions ▁of ▁the ▁U . S . ▁( the ▁District ▁of ▁Columbia , ▁American ▁Sam oa , ▁Gu am , ▁the ▁Northern ▁Mar iana ▁Islands , ▁Puerto ▁Rico ▁and ▁the ▁U . S . ▁Virgin ▁Islands ) ▁remain ▁non - states . ▁▁ 1 7 9 0 – 1 8 6 0 , ▁census ▁data ▁ ▁Total ▁population , ▁ 1 7 9 0 – 1 8 6 0 ▁ ▁Ens la ved ▁population , ▁ 1 7 9 0 – 1 8 6 0 ▁▁ 1 8 7 0 – 1 9 5 0 , ▁census ▁data ▁▁ 1 9 6 0 – 2 0 1 0 , ▁census ▁data ▁▁ 1 9 0 0 – 2 0 1 5 , ▁Federal ▁Reserve ▁economic ▁data ▁ ▁Source : ▁http :// res earch . st lou isf ed . org / fred 2 / release ? rid = 1 1 8 ▁ ▁See ▁also ▁United ▁States ▁Census ▁United ▁States ▁con gression al ▁app ort ion ment ▁List ▁of ▁U . S . ▁states ▁and ▁territ ories ▁by ▁population ▁List ▁of ▁U . S . ▁states ▁by ▁population ▁density ▁List ▁of ▁U . S . ▁states ▁by ▁population ▁growth ▁rate ▁ ▁L arg est ▁cities ▁in ▁the ▁United ▁States ▁by ▁population ▁by ▁de cade ▁ ▁References ▁General ▁ ▁State ▁data , ▁ 1 7 9 0 - 1 9 9 0 : ▁▁ ▁National ▁data , ▁ 1 7 9 0 - 1 9 9 0