岩手県二戸郡一戸町の年齢別（５歳階級、４区分）、男女別人口一覧
| 町名 | 男15歳未満 | 女15歳未満 | 男15～64歳 | 女15～64歳 | 男65歳以上 | 女65歳以上 | 国勢調査リンクコード |
|---|---|---|---|---|---|---|---|
| 一戸字大越田 | 23 | 38 | 42 | 44 | 5 | 8 | 03524001002 |
| 一戸字越田橋 | 4 | 6 | 33 | 19 | 20 | 38 | 03524001003 |
| 一戸字蒔前 | 16 | 8 | 47 | 51 | 22 | 30 | 03524001004 |
| 一戸字蒔前 | 8 | 8 | 74 | 78 | 67 | 99 | 03524001005 |
| 一戸字大沢 | 7 | 2 | 13 | 15 | 6 | 14 | 03524001006 |
| 一戸字北館 | 5 | 6 | 43 | 43 | 50 | 65 | 03524001007 |
| 一戸字砂森 | 25 | 17 | 116 | 102 | 72 | 110 | 03524001008 |
| 一戸字上野 | 4 | 3 | 24 | 16 | 16 | 16 | 03524001009 |
| 一戸字向町 | 19 | 12 | 55 | 59 | 42 | 56 | 03524001011 |
| 一戸字樋ノ口 | 10 | 8 | 36 | 76 | 23 | 20 | 03524001014 |
| 一戸字小滝 | - | - | 7 | 4 | 3 | 5 | 03524001015 |
| 一戸字親久保 | - | - | 3 | 3 | 4 | 3 | 03524001016 |
| 一戸字小井田 | 10 | 13 | 56 | 50 | 28 | 39 | 03524001017 |
| 一戸字田中 | 1 | 3 | 18 | 13 | 3 | 6 | 03524001018 |
| 高善寺字野田 | 15 | 23 | 72 | 74 | 62 | 83 | 03524002001 |
| 高善寺字大川鉢 | 12 | 16 | 46 | 37 | 25 | 40 | 03524002002 |
| 高善寺字古館平 | 15 | 24 | 71 | 79 | 55 | 71 | 03524002003 |
| 高善寺字蒼前久保 | - | - | 25 | 34 | 33 | 37 | 03524002005 |
| 高善寺字寺屋敷 | 6 | 3 | 15 | 18 | 9 | 13 | 03524002006 |
| 西法寺字西法寺 | 2 | 4 | 23 | 18 | 13 | 11 | 03524003001 |
| 西法寺字稲荷 | 15 | 17 | 83 | 93 | 48 | 68 | 03524003003 |
| 西法寺字諏訪野 | 18 | 14 | 85 | 103 | 65 | 83 | 03524003004 |
| 西法寺字関屋 | 21 | 17 | 93 | 82 | 75 | 97 | 03524003005 |
| 西法寺字館越 | 1 | 1 | 3 | 6 | 3 | 3 | 03524003007 |
| 女鹿字女鹿館 | 10 | 6 | 21 | 17 | 19 | 24 | 03524004003 |
| 女鹿字江六前 | 2 | 3 | 7 | 10 | 9 | 8 | 03524004005 |
| 女鹿字中崎 | 5 | 1 | 17 | 11 | 2 | 9 | 03524004007 |
| 女鹿字上女鹿 | 4 | 2 | 11 | 15 | 7 | 8 | 03524004008 |
| 女鹿字新田 | 1 | 3 | 5 | 3 | 2 | 12 | 03524004011 |
| 女鹿字蛇ノ島 | - | - | 2 | - | 7 | 5 | 03524004012 |
| 小友字上小友 | 1 | - | 6 | 2 | 5 | 5 | 03524005001 |
| 小友字大谷地 | - | - | 4 | 4 | 4 | 4 | 03524005002 |
| 小友字山井 | - | 1 | 8 | 8 | 10 | 12 | 03524005004 |
| 小友字坂ノ下 | - | - | 14 | 7 | 8 | 16 | 03524005006 |
| 小友字半在家 | 5 | 2 | 13 | 12 | 7 | 10 | 03524005008 |
| 小友字釜屋敷 | 1 | - | 7 | 10 | 6 | 6 | 03524005009 |
| 小友字下川原目 | 3 | 2 | 10 | 10 | 6 | 7 | 03524005012 |
| 中里字袖子田 | - | - | 9 | 7 | 9 | 8 | 03524006005 |
| 中里字中里 | 2 | - | 31 | 35 | 39 | 44 | 03524006012 |
| 月舘字泉田 | - | 1 | 13 | 5 | 9 | 12 | 03524007001 |
| 月舘字稲荷 | 1 | - | 7 | 10 | 9 | 13 | 03524007007 |
| 月舘字赤屋敷 | - | - | - | - | - | - | 03524007013 |
| 月舘字大屋敷 | - | - | 8 | 6 | 6 | 8 | 03524007020 |
| 月舘字金葛 | 4 | - | 13 | 15 | 14 | 15 | 03524007025 |
| 月舘字宮田 | 2 | 2 | 8 | 12 | 8 | 7 | 03524007031 |
| 出ル町字柏葉 | 1 | 1 | 5 | 4 | 5 | 6 | 03524008001 |
| 出ル町字大畑 | 1 | 2 | 10 | 7 | 15 | 12 | 03524008005 |
| 出ル町字泉沢 | 4 | 2 | 10 | 10 | 12 | 13 | 03524008014 |
| 出ル町字出ル町 | - | - | 5 | 8 | 13 | 10 | 03524008017 |
| 出ル町字高田 | 2 | 6 | 16 | 15 | 9 | 12 | 03524008021 |
| 出ル町字刈又 | X | X | X | X | X | X | 03524008023 |
| 出ル町字与羽 | - | - | 3 | 3 | 5 | 8 | 03524008028 |
| 楢山字平船 | 2 | 2 | 14 | 13 | 5 | 6 | 03524009002 |
| 楢山字下楢山 | 2 | 1 | 18 | 17 | 26 | 29 | 03524009006 |
| 楢山字双畑 | 4 | 1 | 18 | 15 | 10 | 18 | 03524009016 |
| 楢山字来田 | 6 | 6 | 28 | 19 | 25 | 24 | 03524009022 |
| 楢山字茶屋場 | 2 | 2 | 24 | 15 | 17 | 19 | 03524009028 |
| 鳥越字八木沢 | - | - | 13 | 12 | 21 | 27 | 03524010001 |
| 鳥越字悪戸平 | 1 | 2 | 14 | 17 | 10 | 15 | 03524010008 |
| 鳥越字川原田平 | 5 | 3 | 29 | 21 | 19 | 27 | 03524010010 |
| 鳥越字滝ノ沢 | - | 2 | 16 | 20 | 14 | 19 | 03524010013 |
| 鳥越字過利石 | 3 | 4 | 14 | 15 | 12 | 20 | 03524010015 |
| 鳥越字中野平 | 4 | 3 | 14 | 13 | 19 | 25 | 03524010019 |
| 鳥越字野月内館 | 1 | 1 | 9 | 12 | 14 | 12 | 03524010021 |
| 岩舘字馬場平 | 15 | 15 | 62 | 64 | 21 | 36 | 03524011001 |
| 岩舘字沢田 | 2 | 1 | 23 | 26 | 15 | 20 | 03524011002 |
| 岩舘字田中 | - | - | 3 | 2 | 7 | 5 | 03524011004 |
| 岩舘字上地切 | 4 | 1 | 11 | 9 | 4 | 12 | 03524011005 |
| 岩舘字子守 | - | - | 4 | 2 | 2 | 5 | 03524011008 |
| 岩舘字川又 | - | - | 3 | 8 | 12 | 7 | 03524011009 |
| 根反字漆畑 | - | - | 6 | 3 | 4 | 8 | 03524012002 |
| 根反字中瀬 | 1 | - | 5 | 6 | 7 | 6 | 03524012003 |
| 根反字野崎 | - | - | 3 | 1 | 4 | 3 | 03524012005 |
| 根反字中村 | 2 | 1 | 14 | 16 | 16 | 15 | 03524012006 |
| 根反字野磯鶏 | X | X | X | X | X | X | 03524012010 |
| 小鳥谷字女鹿口 | 1 | - | 7 | 5 | 11 | 11 | 03524013001 |
| 小鳥谷字小姓堂 | 2 | - | 12 | 10 | 13 | 9 | 03524013002 |
| 小鳥谷字野中 | 2 | 4 | 22 | 21 | 38 | 88 | 03524013003 |
| 小鳥谷字下女鹿沢 | - | - | - | - | - | - | 03524013005 |
| 小鳥谷字穴久保 | 6 | - | 20 | 15 | 20 | 19 | 03524013008 |
| 小鳥谷字野里 | 2 | 4 | 43 | 49 | 40 | 60 | 03524013009 |
| 小鳥谷字中屋敷 | 1 | 3 | 14 | 14 | 11 | 22 | 03524013011 |
| 小鳥谷字中屋敷上 | 4 | 3 | 16 | 13 | 17 | 21 | 03524013012 |
| 小鳥谷字篠畑 | - | 1 | 20 | 14 | 24 | 30 | 03524013013 |
| 小鳥谷字仁昌寺 | 7 | 6 | 26 | 25 | 24 | 29 | 03524013014 |
| 小鳥谷字稲荷 | 1 | - | 4 | 2 | 5 | 8 | 03524013017 |
| 小鳥谷字中村 | 2 | - | 5 | 8 | 8 | 9 | 03524013018 |
| 小鳥谷字駒木 | 2 | - | 18 | 18 | 16 | 24 | 03524013021 |
| 小鳥谷字高屋敷 | 2 | 1 | 22 | 20 | 13 | 24 | 03524013027 |
| 平糠字田岡 | - | - | 11 | 10 | 16 | 9 | 03524014001 |
| 平糠字下平 | - | - | 4 | 5 | 2 | 4 | 03524014003 |
| 平糠字東 | - | 1 | 6 | 4 | 17 | 17 | 03524014004 |
| 平糠字深沢 | - | - | 1 | 1 | 5 | 3 | 03524014007 |
| 平糠字大志田 | 2 | 3 | 10 | 9 | 7 | 10 | 03524014009 |
| 平糠字名子根 | - | 2 | 19 | 15 | 15 | 18 | 03524014011 |
| 平糠字釜石 | - | - | 8 | 3 | 1 | 4 | 03524014012 |
| 小繋字小繋 | 4 | 1 | 15 | 14 | 10 | 16 | 03524015103 |
| 小繋字東田子 | - | - | 7 | 3 | 1 | 8 | 03524015104 |
| 小繋字西田子 | 2 | 1 | 12 | 7 | 8 | 16 | 03524015105 |
| 奥中山 | 43 | 33 | 240 | 234 | 106 | 130 | 035240152 |
| 中山字西火行 | 1 | - | 11 | 7 | 8 | 10 | 03524016002 |
| 中山字大塚 | 30 | 22 | 194 | 168 | 104 | 128 | 03524016003 |
| 中山字家向 | 13 | 5 | 34 | 31 | 20 | 18 | 03524016007 |
| 中山字切掛 | 2 | - | 4 | 5 | - | 3 | 03524016009 |
| 中山字軽井沢 | 14 | 11 | 145 | 107 | 53 | 68 | 03524016010 |
| 中山字稲荷林 | 4 | 4 | 26 | 26 | 18 | 22 | 03524016012 |
| 中山字家向 | 5 | 2 | 17 | 16 | 3 | 10 | 03524016013 |
| 宇別字笹渡 | 3 | 2 | 15 | 14 | 6 | 8 | 03524017001 |
| 宇別字道白 | - | - | 7 | 7 | 2 | 3 | 03524017003 |
| 宇別字名越 | X | X | X | X | X | X | 03524017004 |
| 宇別字本村 | 10 | 7 | 41 | 28 | 26 | 32 | 03524017005 |
| 宇別字中村 | 9 | 15 | 49 | 36 | 24 | 37 | 03524017006 |
| 姉帯字侍村 | 4 | 1 | 8 | 7 | 8 | 10 | 03524018001 |
| 姉帯字野馬鹿 | 1 | 3 | 10 | 10 | 9 | 13 | 03524018002 |
| 姉帯字鬼淵 | - | 2 | 8 | 5 | 6 | 8 | 03524018004 |
| 姉帯字門前 | 2 | 1 | 9 | 7 | 15 | 16 | 03524018006 |
| 姉帯字馬場 | - | - | 2 | 3 | 7 | 7 | 03524018008 |
| 姉帯字下村 | - | - | 23 | 20 | 42 | 114 | 03524018009 |
| 姉帯字名子根 | 2 | 2 | 14 | 17 | 6 | 13 | 03524018015 |
| 面岸字一本木 | 1 | 1 | 8 | 5 | 8 | 10 | 03524019001 |
| 面岸字風口 | - | - | 4 | 3 | 13 | 11 | 03524019002 |
| 面岸字向山 | X | X | X | X | X | X | 03524019004 |