{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "06",
    "slug": "yamagata",
    "name": "山形県",
    "region": "東北",
    "center": {
      "lat": 38.24056,
      "lng": 140.36333,
      "zoom": 6
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 3000000,
      "average": 11004243,
      "count": 2816,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 23500,
      "average": 27170,
      "count": 248,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 1068027,
      "year": 2020,
      "changeRate5y": null,
      "unit": "人",
      "sourceId": "estat-population",
      "missingReason": "2020年国勢調査の都道府県別総人口を掲載。5年増減率は同一表内で算出できる過去年が未確認のため未掲載です。"
    },
    "hazardRisk": {
      "score": null,
      "level": "要地域確認",
      "summary": "山形県の災害リスクは住所、地形、自治体ハザードマップで判定が変わります。Phase 1では国土数値情報の公式入口を確認し、重い災害GeoJSONの全面同梱は行っていません。",
      "sourceId": "ksj-hazard",
      "missingReason": "国土数値情報の災害データは住所単位の確認が必要なため、県別の単一スコアには集約していません。",
      "indicators": [
        {
          "label": "住所単位確認",
          "value": "自治体ハザードマップ必須",
          "sourceId": "ksj-hazard"
        },
        {
          "label": "Phase 1方針",
          "value": "巨大GeoJSON同梱なし",
          "sourceId": "ksj-hazard"
        }
      ]
    }
  },
  "landPrice": {
    "municipalityRanking": [
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "median": 58600,
        "average": 58912,
        "count": 42,
        "lat": 38.254821,
        "lng": 140.324361
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "median": 42850,
        "average": 39760,
        "count": 20,
        "lat": 38.35317,
        "lng": 140.374788
      },
      {
        "municipalityCode": "06207",
        "municipality": "上山市",
        "median": 29600,
        "average": 25950,
        "count": 10,
        "lat": 38.152793,
        "lng": 140.276413
      },
      {
        "municipalityCode": "06211",
        "municipality": "東根市",
        "median": 29400,
        "average": 32713,
        "count": 8,
        "lat": 38.42587,
        "lng": 140.385453
      },
      {
        "municipalityCode": "06206",
        "municipality": "寒河江市",
        "median": 27550,
        "average": 28933,
        "count": 6,
        "lat": 38.373791,
        "lng": 140.275169
      },
      {
        "municipalityCode": "06204",
        "municipality": "酒田市",
        "median": 27500,
        "average": 23670,
        "count": 30,
        "lat": 38.917173,
        "lng": 139.847897
      },
      {
        "municipalityCode": "06205",
        "municipality": "新庄市",
        "median": 25400,
        "average": 25417,
        "count": 6,
        "lat": 38.75998,
        "lng": 140.299021
      },
      {
        "municipalityCode": "06203",
        "municipality": "鶴岡市",
        "median": 23600,
        "average": 21638,
        "count": 22,
        "lat": 38.707539,
        "lng": 139.807847
      },
      {
        "municipalityCode": "06301",
        "municipality": "山辺町",
        "median": 23600,
        "average": 20467,
        "count": 6,
        "lat": 38.290426,
        "lng": 140.263356
      },
      {
        "municipalityCode": "06302",
        "municipality": "中山町",
        "median": 22950,
        "average": 19810,
        "count": 6,
        "lat": 38.335064,
        "lng": 140.272317
      },
      {
        "municipalityCode": "06208",
        "municipality": "村山市",
        "median": 21750,
        "average": 21775,
        "count": 4,
        "lat": 38.472403,
        "lng": 140.38754
      },
      {
        "municipalityCode": "06321",
        "municipality": "河北町",
        "median": 19850,
        "average": 19850,
        "count": 4,
        "lat": 38.425239,
        "lng": 140.311337
      },
      {
        "municipalityCode": "06202",
        "municipality": "米沢市",
        "median": 17550,
        "average": 18870,
        "count": 10,
        "lat": 37.91793,
        "lng": 140.107089
      },
      {
        "municipalityCode": "06209",
        "municipality": "長井市",
        "median": 17550,
        "average": 15483,
        "count": 6,
        "lat": 38.091656,
        "lng": 140.038738
      },
      {
        "municipalityCode": "06213",
        "municipality": "南陽市",
        "median": 16650,
        "average": 21017,
        "count": 6,
        "lat": 38.053742,
        "lng": 140.15481
      },
      {
        "municipalityCode": "06381",
        "municipality": "高畠町",
        "median": 15550,
        "average": 15563,
        "count": 4,
        "lat": 37.996952,
        "lng": 140.175508
      },
      {
        "municipalityCode": "06428",
        "municipality": "庄内町",
        "median": 14550,
        "average": 14575,
        "count": 4,
        "lat": 38.847341,
        "lng": 139.902032
      },
      {
        "municipalityCode": "06324",
        "municipality": "大江町",
        "median": 11850,
        "average": 11850,
        "count": 4,
        "lat": 38.382499,
        "lng": 140.209547
      },
      {
        "municipalityCode": "06212",
        "municipality": "尾花沢市",
        "median": 11500,
        "average": 11500,
        "count": 6,
        "lat": 38.603809,
        "lng": 140.405111
      },
      {
        "municipalityCode": "06426",
        "municipality": "三川町",
        "median": 11145,
        "average": 11168,
        "count": 4,
        "lat": 38.794308,
        "lng": 139.845927
      }
    ],
    "points": [
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 103000,
        "lat": 38.24339389,
        "lng": 140.32848389,
        "address": "八日町１－２－５"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 103000,
        "lat": 38.24339389,
        "lng": 140.32848389,
        "address": "八日町１－２－５"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 87200,
        "lat": 38.24663389,
        "lng": 140.34291111,
        "address": "小姓町６－４８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 87200,
        "lat": 38.24663389,
        "lng": 140.34291111,
        "address": "小姓町６－４８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 87000,
        "lat": 38.25201056,
        "lng": 140.32281972,
        "address": "城南町３－４－８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 87000,
        "lat": 38.25201056,
        "lng": 140.32281972,
        "address": "城南町３－４－８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 78600,
        "lat": 38.25197222,
        "lng": 140.35058333,
        "address": "緑町４－４－３"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 78600,
        "lat": 38.25197222,
        "lng": 140.35058333,
        "address": "緑町４－４－３"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 78100,
        "lat": 38.24691111,
        "lng": 140.31456,
        "address": "久保田３－７－３２"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 78100,
        "lat": 38.24691111,
        "lng": 140.31456,
        "address": "久保田３－７－３２"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 72400,
        "lat": 38.26036111,
        "lng": 140.31247222,
        "address": "城西町５－８－６"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 72400,
        "lat": 38.26036111,
        "lng": 140.31247222,
        "address": "城西町５－８－６"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 70300,
        "lat": 38.23355556,
        "lng": 140.31572222,
        "address": "深町２－７－３"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 70000,
        "lat": 38.23355556,
        "lng": 140.31572222,
        "address": "深町２－７－３"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 68200,
        "lat": 38.21293361,
        "lng": 140.32002972,
        "address": "飯田西４－８－１０"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 68000,
        "lat": 38.21293361,
        "lng": 140.32002972,
        "address": "飯田西４－８－１０"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 59600,
        "lat": 38.26219306,
        "lng": 140.33968694,
        "address": "宮町５－４－８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 59600,
        "lat": 38.26219306,
        "lng": 140.33968694,
        "address": "宮町５－４－８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 58800,
        "lat": 38.23487,
        "lng": 140.30454722,
        "address": "富の中２－３－１０"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 58800,
        "lat": 38.27531944,
        "lng": 140.32150611,
        "address": "江俣３－１５－３６"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 58700,
        "lat": 38.27531944,
        "lng": 140.32150611,
        "address": "江俣３－１５－３６"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 58500,
        "lat": 38.23487,
        "lng": 140.30454722,
        "address": "富の中２－３－１０"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 54700,
        "lat": 38.28105556,
        "lng": 140.30691667,
        "address": "瀬波１－１２－８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 54400,
        "lat": 38.28105556,
        "lng": 140.30691667,
        "address": "瀬波１－１２－８"
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "pricePerSquareMeter": 54400,
        "lat": 38.34791833,
        "lng": 140.36188,
        "address": "芳賀タウン北２－３－８"
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "pricePerSquareMeter": 54400,
        "lat": 38.34791833,
        "lng": 140.36188,
        "address": "芳賀タウン北２－３－８"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 52000,
        "lat": 38.28276694,
        "lng": 140.338125,
        "address": "千歳１－２０－２４"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 51800,
        "lat": 38.20501194,
        "lng": 140.31714111,
        "address": "成沢西４－８－６１"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 51800,
        "lat": 38.20501194,
        "lng": 140.31714111,
        "address": "成沢西４－８－６１"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 51500,
        "lat": 38.28276694,
        "lng": 140.338125,
        "address": "千歳１－２０－２４"
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "pricePerSquareMeter": 48200,
        "lat": 38.33526667,
        "lng": 140.36532861,
        "address": "長岡北１－１－５"
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "pricePerSquareMeter": 48200,
        "lat": 38.33526667,
        "lng": 140.36532861,
        "address": "長岡北１－１－５"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 48000,
        "lat": 38.25617056,
        "lng": 140.35965,
        "address": "双月町字岡畑１２５番３４"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 48000,
        "lat": 38.25617056,
        "lng": 140.35965,
        "address": "双月町字岡畑１２５番３４"
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "pricePerSquareMeter": 47000,
        "lat": 38.35689778,
        "lng": 140.36374222,
        "address": "駅西４－８－６"
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "pricePerSquareMeter": 46900,
        "lat": 38.35689778,
        "lng": 140.36374222,
        "address": "駅西４－８－６"
      },
      {
        "municipalityCode": "06211",
        "municipality": "東根市",
        "pricePerSquareMeter": 46800,
        "lat": 38.4293,
        "lng": 140.38718389,
        "address": "さくらんぼ駅前２－９－１６"
      },
      {
        "municipalityCode": "06211",
        "municipality": "東根市",
        "pricePerSquareMeter": 46700,
        "lat": 38.4293,
        "lng": 140.38718389,
        "address": "さくらんぼ駅前２－９－１６"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 45800,
        "lat": 38.26450694,
        "lng": 140.35033389,
        "address": "印役町１－８－２５"
      },
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "pricePerSquareMeter": 45700,
        "lat": 38.26450694,
        "lng": 140.35033389,
        "address": "印役町１－８－２５"
      }
    ],
    "percentiles": {
      "p25": 11500,
      "p50": 23500,
      "p75": 31900
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  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 2023
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 380
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 192
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 137
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 52
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 32
      }
    ],
    "municipalitySummary": [
      {
        "municipalityCode": "06201",
        "municipality": "山形市",
        "median": 17000000,
        "average": 24353767,
        "count": 438,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06210",
        "municipality": "天童市",
        "median": 12000000,
        "average": 15208182,
        "count": 137,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06301",
        "municipality": "東村山郡山辺町",
        "median": 8000000,
        "average": 11700000,
        "count": 25,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06211",
        "municipality": "東根市",
        "median": 7300000,
        "average": 13260220,
        "count": 177,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06202",
        "municipality": "米沢市",
        "median": 6500000,
        "average": 19985874,
        "count": 151,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06426",
        "municipality": "東田川郡三川町",
        "median": 6300000,
        "average": 12111875,
        "count": 24,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06204",
        "municipality": "酒田市",
        "median": 5500000,
        "average": 14127361,
        "count": 212,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06206",
        "municipality": "寒河江市",
        "median": 3900000,
        "average": 9141006,
        "count": 105,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06205",
        "municipality": "新庄市",
        "median": 3650000,
        "average": 10309035,
        "count": 84,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06203",
        "municipality": "鶴岡市",
        "median": 3000000,
        "average": 11815073,
        "count": 260,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06207",
        "municipality": "上山市",
        "median": 2400000,
        "average": 9152149,
        "count": 47,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06213",
        "municipality": "南陽市",
        "median": 1700000,
        "average": 4067347,
        "count": 95,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06208",
        "municipality": "村山市",
        "median": 1400000,
        "average": 6499650,
        "count": 127,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06321",
        "municipality": "西村山郡河北町",
        "median": 1300000,
        "average": 3725286,
        "count": 63,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06366",
        "municipality": "最上郡鮭川村",
        "median": 1300000,
        "average": 1415429,
        "count": 14,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06381",
        "municipality": "東置賜郡高畠町",
        "median": 1300000,
        "average": 5483527,
        "count": 55,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06362",
        "municipality": "最上郡最上町",
        "median": 1150000,
        "average": 1383714,
        "count": 28,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06382",
        "municipality": "東置賜郡川西町",
        "median": 1150000,
        "average": 2096395,
        "count": 38,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06428",
        "municipality": "東田川郡庄内町",
        "median": 1100000,
        "average": 2983609,
        "count": 69,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "06324",
        "municipality": "西村山郡大江町",
        "median": 1000000,
        "average": 14769059,
        "count": 17,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 2816,
    "percentiles": {
      "p25": 360000,
      "p50": 3000000,
      "p75": 11000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 1068027,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "山形県の災害リスクは住所、地形、自治体ハザードマップで判定が変わります。Phase 1では国土数値情報の公式入口を確認し、重い災害GeoJSONの全面同梱は行っていません。",
    "sourceId": "ksj-hazard",
    "missingReason": "国土数値情報の災害データは住所単位の確認が必要なため、県別の単一スコアには集約していません。",
    "indicators": [
      {
        "label": "住所単位確認",
        "value": "自治体ハザードマップ必須",
        "sourceId": "ksj-hazard"
      },
      {
        "label": "Phase 1方針",
        "value": "巨大GeoJSON同梱なし",
        "sourceId": "ksj-hazard"
      }
    ]
  },
  "sources": [
    {
      "id": "reinfolib-xit001",
      "name": "不動産情報ライブラリ XIT001",
      "url": "https://www.reinfolib.mlit.go.jp/help/apiManual/xit001/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "2024",
      "notes": "不動産取引価格情報を都道府県別・四半期別に取得し、取引価格を集計しています。"
    },
    {
      "id": "reinfolib-xct001",
      "name": "不動産情報ライブラリ XCT001",
      "url": "https://www.reinfolib.mlit.go.jp/help/apiManual/xct001/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "2026",
      "notes": "地価公示の住宅地データを取得し、1㎡当たり価格を集計しています。"
    },
    {
      "id": "estat-population",
      "name": "e-Stat 国勢調査 人口",
      "url": "https://www.e-stat.go.jp/api/api-info/e-stat-manual3-0",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "2020",
      "notes": "getStatsList/getMetaInfoで統計表と次元を確認し、getStatsDataで都道府県別総人口を取得しています。"
    },
    {
      "id": "ksj-hazard",
      "name": "国土数値情報",
      "url": "https://nlftp.mlit.go.jp/ksj/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "dataset-specific",
      "notes": "Phase 1では巨大GeoJSONを同梱せず、公式災害・地理空間データの確認導線と地域確認注意を掲載しています。"
    },
    {
      "id": "gsi-tiles",
      "name": "国土地理院 地理院タイル",
      "url": "https://maps.gsi.go.jp/development/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "current",
      "notes": "MapLibre GL JSの背景地図として標準地図タイルを利用します。"
    }
  ],
  "quality": {
    "missingReasons": [
      "2020年国勢調査の都道府県別総人口を掲載。5年増減率は同一表内で算出できる過去年が未確認のため未掲載です。",
      "国土数値情報の災害データは住所単位の確認が必要なため、県別の単一スコアには集約していません。"
    ],
    "warnings": [
      "取引価格は2024年の不動産取引価格情報を集計しており、個別物件の査定額ではありません。",
      "地価公示は住宅地division=00の1㎡当たり価格を集計しています。",
      "災害リスクは住所単位で変わるため、自治体ハザードマップで必ず確認してください。"
    ]
  },
  "ranking": {
    "landPriceRank": 43,
    "transactionRank": 42,
    "populationRank": 36
  }
}