; ▁ 6 , 4 1 1 ▁or ▁ 9 . 3 9 % ▁of ▁its ▁population ▁were ▁urban ▁dwell ers ▁at ▁the ▁time . ▁The ▁two ▁largest ▁eth nic ▁groups ▁reported ▁in ▁B ila ▁Se yo ▁were ▁the ▁O rom o ▁( 8 6 . 6 5 % ), ▁and ▁the ▁Am h ara ▁( 1 2 . 8 8 % ); ▁all ▁other ▁eth nic ▁groups ▁made ▁up ▁ 0 . 4 7 % ▁of ▁the ▁population . ▁O rom iff a ▁was ▁spoken ▁as ▁a ▁first ▁language ▁by ▁ 8 9 . 0 4 %, ▁and ▁ 1 0 . 7 % ▁spoke ▁Am har ic ; ▁the ▁remaining ▁ 0 . 2 6 % ▁spoke ▁all ▁other ▁primary ▁languages ▁reported . ▁The ▁majority ▁of ▁the ▁inhabitants ▁were ▁Eth iop ian ▁Orth odox ▁Christian ity , ▁with ▁ 7 4 . 1 7 % ▁of ▁the ▁population ▁reporting ▁they ▁observed ▁that ▁belief , ▁while ▁ 1 1 . 5 1 % ▁of ▁the ▁population ▁said ▁they ▁were ▁Protest ant , ▁ 9 . 3 % ▁were ▁Mos lem , ▁and ▁ 4 . 6 5 % ▁pract iced ▁traditional ▁belief s . ▁ ▁Notes ▁▁ ▁Category : O rom ia ▁Region ▁Category : D istrict s ▁of ▁Eth iop ia <0x0A> </s> ▁Rach ael ▁Mary ▁Up j ohn ▁Light ▁M ead er ▁( A pril ▁ 1 5 , ▁ 1 9 1 6 ▁– ▁March ▁ 1 6 , ▁ 2 0 0 8 ) ▁was ▁an ▁American ▁aer