▁of ▁ 2 0 0 3 , ▁the ▁district ▁had ▁an ▁estimated ▁population ▁of ▁ 1 9 , 6 3 8 ▁and ▁a ▁density ▁of ▁ 4 5 . 6 0 ▁persons ▁per ▁km ². ▁The ▁total ▁area ▁was ▁ 4 3 0 . 6 4 ▁km ². ▁ ▁History ▁ ▁On ▁January ▁ 1 , ▁ 2 0 0 5 ▁- ▁the ▁town ▁of ▁Y as uz uka , ▁and ▁the ▁villages ▁of ▁M aki , ▁ Ō sh ima ▁and ▁U rag aw ara , ▁along ▁with ▁the ▁towns ▁of ▁It ak ura , ▁K ak iz aki , ▁ Ō g ata ▁and ▁Y osh ik awa , ▁the ▁villages ▁of ▁Ki y os ato , ▁Kub iki , ▁Nak ag ō ▁and ▁San wa ▁( all ▁from ▁Nak ak ub iki ▁District ), ▁and ▁the ▁town ▁of ▁Nad achi ▁( from ▁N ish ik ub iki ▁District ), ▁were ▁merged ▁into ▁the ▁expanded ▁city ▁of ▁J ō ets u . ▁ ▁On ▁April ▁ 1 , ▁ 2 0 0 5 ▁- ▁the ▁towns ▁of ▁M ats ud ai ▁and ▁M ats uno y ama , ▁along ▁with ▁the ▁town ▁of ▁K aw an ishi , ▁and ▁the ▁village ▁of ▁Nak as ato ▁( both ▁from ▁Nak au on uma ▁District ), ▁were ▁merged ▁into ▁the ▁expanded ▁city ▁of ▁T ō k am achi . ▁H ig ash ik ub iki ▁District ▁was ▁dissol ved ▁as ▁a ▁result ▁of ▁this ▁mer ger . ▁ ▁Category : Form er ▁districts