▁population ▁decl ined ▁by ▁ 1 0 % ▁during ▁each ▁of ▁the ▁next ▁two ▁dec ades ▁( 1 9 8 0 : ▁ 1 6 1 , 0 6 0 ; ▁ 1 9 9 0 : ▁ 1 4 4 , 8 6 4 ), ▁and ▁dropped ▁by ▁ 4 . 6 % ▁between ▁ 1 9 9 0 ▁and ▁ 2 0 0 0 . ▁ ▁In ▁ 1 9 7 0 , ▁whites ▁made ▁up ▁ 9 9 . 5 % ▁of ▁the ▁city ' s ▁total ▁population ▁of ▁ 1 7 9 , 2 7 0 ; ▁only ▁ 8 3 8 ▁non - wh ites ▁lived ▁within ▁the ▁city ▁limits . ▁Ra cial ▁integration ▁came ▁slowly ▁to ▁Warren ▁in ▁the ▁en su ing ▁two ▁dec ades , ▁with ▁the ▁white ▁portion ▁of ▁the ▁city ▁dro pping ▁only ▁gradually ▁to ▁ 9 8 . 2 % ▁in ▁ 1 9 8 0 ▁and ▁ 9 7 . 3 % ▁as ▁of ▁ 1 9 9 0 . ▁ ▁At ▁that ▁point ▁integration ▁started ▁to ▁acceler ate , ▁with ▁the ▁white ▁population ▁decl ining ▁to ▁ 9 1 . 3 % ▁in ▁ 2 0 0 0 ▁and ▁reaching ▁ 7 8 . 4 % ▁as ▁of ▁the ▁ 2 0 1 0 ▁census . ▁ ▁For ▁ 2 0 0 0 ▁the ▁non - H is pan ic ▁white ▁population ▁of ▁Warren ▁was ▁ 9 0 . 4 % ▁of ▁the ▁total ▁population . ▁African - American ▁were ▁