{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "09",
    "slug": "tochigi",
    "name": "栃木県",
    "region": "関東",
    "center": {
      "lat": 36.56583,
      "lng": 139.88361,
      "zoom": 7
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 8200000,
      "average": 16607169,
      "count": 4844,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 28800,
      "average": 35519,
      "count": 682,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 1933146,
      "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": "栃木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": "09201",
        "municipality": "宇都宮市",
        "median": 67000,
        "average": 65936,
        "count": 154,
        "lat": 36.565067,
        "lng": 139.891927
      },
      {
        "municipalityCode": "09208",
        "municipality": "小山市",
        "median": 37950,
        "average": 41735,
        "count": 52,
        "lat": 36.299551,
        "lng": 139.796452
      },
      {
        "municipalityCode": "09216",
        "municipality": "下野市",
        "median": 37400,
        "average": 41913,
        "count": 30,
        "lat": 36.397999,
        "lng": 139.858428
      },
      {
        "municipalityCode": "09361",
        "municipality": "壬生町",
        "median": 35750,
        "average": 30735,
        "count": 20,
        "lat": 36.45302,
        "lng": 139.813941
      },
      {
        "municipalityCode": "09364",
        "municipality": "野木町",
        "median": 32600,
        "average": 32392,
        "count": 12,
        "lat": 36.228199,
        "lng": 139.726598
      },
      {
        "municipalityCode": "09301",
        "municipality": "上三川町",
        "median": 29650,
        "average": 26843,
        "count": 14,
        "lat": 36.439364,
        "lng": 139.905779
      },
      {
        "municipalityCode": "09204",
        "municipality": "佐野市",
        "median": 28350,
        "average": 25720,
        "count": 64,
        "lat": 36.33761,
        "lng": 139.586748
      },
      {
        "municipalityCode": "09205",
        "municipality": "鹿沼市",
        "median": 27850,
        "average": 26364,
        "count": 42,
        "lat": 36.555572,
        "lng": 139.749024
      },
      {
        "municipalityCode": "09386",
        "municipality": "高根沢町",
        "median": 27800,
        "average": 28442,
        "count": 12,
        "lat": 36.636278,
        "lng": 139.999718
      },
      {
        "municipalityCode": "09210",
        "municipality": "大田原市",
        "median": 25900,
        "average": 25220,
        "count": 10,
        "lat": 36.863789,
        "lng": 140.003146
      },
      {
        "municipalityCode": "09202",
        "municipality": "足利市",
        "median": 24200,
        "average": 26344,
        "count": 66,
        "lat": 36.336981,
        "lng": 139.447984
      },
      {
        "municipalityCode": "09209",
        "municipality": "真岡市",
        "median": 24000,
        "average": 23416,
        "count": 38,
        "lat": 36.429194,
        "lng": 139.994726
      },
      {
        "municipalityCode": "09203",
        "municipality": "栃木市",
        "median": 20800,
        "average": 21842,
        "count": 84,
        "lat": 36.359444,
        "lng": 139.703326
      },
      {
        "municipalityCode": "09206",
        "municipality": "日光市",
        "median": 20800,
        "average": 20150,
        "count": 16,
        "lat": 36.742639,
        "lng": 139.66469
      },
      {
        "municipalityCode": "09213",
        "municipality": "那須塩原市",
        "median": 20350,
        "average": 20313,
        "count": 16,
        "lat": 36.948784,
        "lng": 139.985905
      },
      {
        "municipalityCode": "09211",
        "municipality": "矢板市",
        "median": 20100,
        "average": 19833,
        "count": 6,
        "lat": 36.809433,
        "lng": 139.932666
      },
      {
        "municipalityCode": "09345",
        "municipality": "芳賀町",
        "median": 19900,
        "average": 17900,
        "count": 6,
        "lat": 36.555426,
        "lng": 140.045143
      },
      {
        "municipalityCode": "09214",
        "municipality": "さくら市",
        "median": 18200,
        "average": 19950,
        "count": 8,
        "lat": 36.701722,
        "lng": 139.998668
      },
      {
        "municipalityCode": "09342",
        "municipality": "益子町",
        "median": 17050,
        "average": 17050,
        "count": 4,
        "lat": 36.47053,
        "lng": 140.085282
      },
      {
        "municipalityCode": "09344",
        "municipality": "市貝町",
        "median": 17050,
        "average": 17050,
        "count": 4,
        "lat": 36.523569,
        "lng": 140.080986
      }
    ],
    "points": [
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 151000,
        "lat": 36.55419667,
        "lng": 139.90479389,
        "address": "宿郷５－９－１２"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 151000,
        "lat": 36.55419667,
        "lng": 139.90479389,
        "address": "宿郷５－９－１２"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 145000,
        "lat": 36.56732833,
        "lng": 139.90480306,
        "address": "中今泉２－１１－１２"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 145000,
        "lat": 36.56732833,
        "lng": 139.90480306,
        "address": "中今泉２－１１－１２"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 140000,
        "lat": 36.56523694,
        "lng": 139.90218694,
        "address": "元今泉２－２９－１１"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 140000,
        "lat": 36.56523694,
        "lng": 139.90218694,
        "address": "元今泉２－２９－１１"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 134000,
        "lat": 36.56865389,
        "lng": 139.912865,
        "address": "中今泉４－２７－９"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 134000,
        "lat": 36.56865389,
        "lng": 139.912865,
        "address": "中今泉４－２７－９"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 115000,
        "lat": 36.56683333,
        "lng": 139.87891667,
        "address": "昭和２－５－２４"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 115000,
        "lat": 36.56683333,
        "lng": 139.87891667,
        "address": "昭和２－５－２４"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 105000,
        "lat": 36.56106,
        "lng": 139.91790333,
        "address": "泉が丘２－９－５"
      },
      {
        "municipalityCode": "09216",
        "municipality": "下野市",
        "pricePerSquareMeter": 105000,
        "lat": 36.39043806,
        "lng": 139.862645,
        "address": "祇園５丁目６番２"
      },
      {
        "municipalityCode": "09216",
        "municipality": "下野市",
        "pricePerSquareMeter": 105000,
        "lat": 36.39043806,
        "lng": 139.862645,
        "address": "祇園５丁目６番２"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 104000,
        "lat": 36.56106,
        "lng": 139.91790333,
        "address": "泉が丘２－９－５"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 103000,
        "lat": 36.54341667,
        "lng": 139.90963889,
        "address": "平松本町３５７番８外"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 102000,
        "lat": 36.54341667,
        "lng": 139.90963889,
        "address": "平松本町３５７番８外"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 99600,
        "lat": 36.55238194,
        "lng": 139.87669333,
        "address": "一条４－３－２６"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 99500,
        "lat": 36.55238194,
        "lng": 139.87669333,
        "address": "一条４－３－２６"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 98700,
        "lat": 36.54321472,
        "lng": 139.91862361,
        "address": "東峰１－８－４"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 98500,
        "lat": 36.54321472,
        "lng": 139.91862361,
        "address": "東峰１－８－４"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 98000,
        "lat": 36.55861111,
        "lng": 139.86983333,
        "address": "操町４－１８"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 97900,
        "lat": 36.55861111,
        "lng": 139.86983333,
        "address": "操町４－１８"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 97500,
        "lat": 36.56652778,
        "lng": 139.87258333,
        "address": "清住３－４－１７"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 97500,
        "lat": 36.56652778,
        "lng": 139.87258333,
        "address": "清住３－４－１７"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 97500,
        "lat": 36.56777778,
        "lng": 139.89708333,
        "address": "今泉町字向河原８５５番１５"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 97200,
        "lat": 36.56777778,
        "lng": 139.89708333,
        "address": "今泉町字向河原８５５番１５"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 93000,
        "lat": 36.53691972,
        "lng": 139.907825,
        "address": "下栗町２９１１番７"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 92800,
        "lat": 36.53691972,
        "lng": 139.907825,
        "address": "下栗町２９１１番７"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 92700,
        "lat": 36.5815,
        "lng": 139.87844444,
        "address": "戸祭台２９番４"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 92700,
        "lat": 36.5815,
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        "address": "戸祭台２９番４"
      },
      {
        "municipalityCode": "09216",
        "municipality": "下野市",
        "pricePerSquareMeter": 92000,
        "lat": 36.38543611,
        "lng": 139.85876,
        "address": "緑５丁目１３番４"
      },
      {
        "municipalityCode": "09216",
        "municipality": "下野市",
        "pricePerSquareMeter": 92000,
        "lat": 36.38543611,
        "lng": 139.85876,
        "address": "緑５丁目１３番４"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 90000,
        "lat": 36.56892222,
        "lng": 139.89172167,
        "address": "大曽４－５－２３"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 89600,
        "lat": 36.56892222,
        "lng": 139.89172167,
        "address": "大曽４－５－２３"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 89000,
        "lat": 36.55430917,
        "lng": 139.93442194,
        "address": "陽東８－８－８"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 88600,
        "lat": 36.55430917,
        "lng": 139.93442194,
        "address": "陽東８－８－８"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 88400,
        "lat": 36.56511111,
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      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 88400,
        "lat": 36.56511111,
        "lng": 139.92058333,
        "address": "泉が丘７－５－１９"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 86700,
        "lat": 36.57217639,
        "lng": 139.86460444,
        "address": "戸祭２－８－１５"
      },
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "pricePerSquareMeter": 86600,
        "lat": 36.57217639,
        "lng": 139.86460444,
        "address": "戸祭２－８－１５"
      }
    ],
    "percentiles": {
      "p25": 18200,
      "p50": 28800,
      "p75": 42400
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  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 2654
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 936
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 557
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 465
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 154
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 78
      }
    ],
    "municipalitySummary": [
      {
        "municipalityCode": "09201",
        "municipality": "宇都宮市",
        "median": 18000000,
        "average": 27516037,
        "count": 1133,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09208",
        "municipality": "小山市",
        "median": 13000000,
        "average": 20257189,
        "count": 472,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09216",
        "municipality": "下野市",
        "median": 11000000,
        "average": 23208514,
        "count": 175,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09301",
        "municipality": "河内郡上三川町",
        "median": 11000000,
        "average": 14785820,
        "count": 50,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09214",
        "municipality": "さくら市",
        "median": 9200000,
        "average": 16561111,
        "count": 144,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09386",
        "municipality": "塩谷郡高根沢町",
        "median": 8950000,
        "average": 11173711,
        "count": 76,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09209",
        "municipality": "真岡市",
        "median": 7900000,
        "average": 12788994,
        "count": 168,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09204",
        "municipality": "佐野市",
        "median": 7500000,
        "average": 13277491,
        "count": 287,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09203",
        "municipality": "栃木市",
        "median": 7050000,
        "average": 12211259,
        "count": 294,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09205",
        "municipality": "鹿沼市",
        "median": 6900000,
        "average": 13080291,
        "count": 179,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09202",
        "municipality": "足利市",
        "median": 6500000,
        "average": 10702291,
        "count": 302,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09364",
        "municipality": "下都賀郡野木町",
        "median": 5350000,
        "average": 8163891,
        "count": 92,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09213",
        "municipality": "那須塩原市",
        "median": 5000000,
        "average": 13690710,
        "count": 441,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09345",
        "municipality": "芳賀郡芳賀町",
        "median": 4850000,
        "average": 6704615,
        "count": 26,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09361",
        "municipality": "下都賀郡壬生町",
        "median": 4250000,
        "average": 14944561,
        "count": 114,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09210",
        "municipality": "大田原市",
        "median": 4000000,
        "average": 9064305,
        "count": 167,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09211",
        "municipality": "矢板市",
        "median": 3350000,
        "average": 7832403,
        "count": 62,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09342",
        "municipality": "芳賀郡益子町",
        "median": 3300000,
        "average": 5093871,
        "count": 31,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09206",
        "municipality": "日光市",
        "median": 2600000,
        "average": 15199280,
        "count": 187,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "09344",
        "municipality": "芳賀郡市貝町",
        "median": 2500000,
        "average": 9459231,
        "count": 13,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 4844,
    "percentiles": {
      "p25": 2100000,
      "p50": 8200000,
      "p75": 20000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 1933146,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "栃木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": 38,
    "transactionRank": 21,
    "populationRank": 19
  }
}