ah ua . ▁As ▁of ▁ 2 0 1 0 , ▁the ▁town ▁had ▁a ▁population ▁of ▁ 5 , 5 7 0 , ▁up ▁from ▁ 5 , 3 7 7 ▁as ▁of ▁ 2 0 0 5 ▁ ▁History ▁ ▁The ▁Ros ales ▁region , ▁formed ▁by ▁the ▁middle ▁and ▁lower ▁reaches ▁of ▁the ▁San ▁Pedro ▁River , ▁was ▁evangel ized ▁during ▁the ▁sevent e enth ▁century ▁by ▁Francis c ans ▁who ▁settled ▁among ▁the ▁ind igen ous ▁Con chos ▁and ▁founded ▁the ▁M isión ▁de ▁San ▁Pedro ▁de ▁Con chos ▁in ▁the ▁mid - 1 7 th ▁century . ▁In ▁ 1 7 1 4 , ▁the ▁Francis c ans ▁plant ed ▁a ▁new ▁mission ▁with ▁the ▁name ▁of ▁Santa ▁Cruz ▁de ▁T ap ac ol mes ▁on ▁the ▁eastern ▁side ▁of ▁the ▁Río ▁San ▁Pedro ▁and ▁west ▁of ▁what ▁is ▁today ▁the ▁city ▁of ▁Del ici as . ▁The ▁mission ▁remained ▁at ▁that ▁place ▁until ▁ 1 7 5 3 , ▁when ▁it ▁was ▁re located ▁to ▁its ▁current ▁place ▁on ▁the ▁western ▁side ▁of ▁the ▁Río ▁San ▁Pedro , ▁to ▁improve ▁def ens ibility ▁from ▁native ▁attacks . ▁The ▁grounds ▁where ▁the ▁new ▁settlement ▁was ▁founded ▁were ▁don ated ▁by ▁Serge ant ▁Major ▁Juan ▁Antonio ▁Tras vi ña ▁y ▁Ret es ▁and ▁Nueva ▁V iz c aya ▁governor ▁Manuel ▁de ▁San ▁Juan ▁y ▁Santa ▁Cruz . ▁The ▁settlement ▁received ▁the ▁ep ith et ▁of ▁T ap ac ol mes ▁by ▁the ▁Indians ▁that ▁Tras vi ña ▁y ▁Ret