{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "14",
    "slug": "kanagawa",
    "name": "神奈川県",
    "region": "関東",
    "center": {
      "lat": 35.44778,
      "lng": 139.6425,
      "zoom": 8
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 34000000,
      "average": 49949878,
      "count": 19781,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 198000,
      "average": 221019,
      "count": 2618,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 9237337,
      "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": "神奈川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": "14133",
        "municipality": "川崎市中原区",
        "median": 445000,
        "average": 475565,
        "count": 46,
        "lat": 35.574334,
        "lng": 139.650858
      },
      {
        "municipalityCode": "14104",
        "municipality": "横浜市中区",
        "median": 359000,
        "average": 405577,
        "count": 26,
        "lat": 35.427385,
        "lng": 139.650361
      },
      {
        "municipalityCode": "14109",
        "municipality": "横浜市港北区",
        "median": 346000,
        "average": 362295,
        "count": 88,
        "lat": 35.529876,
        "lng": 139.628335
      },
      {
        "municipalityCode": "14132",
        "municipality": "川崎市幸区",
        "median": 343000,
        "average": 371333,
        "count": 24,
        "lat": 35.545315,
        "lng": 139.679913
      },
      {
        "municipalityCode": "14134",
        "municipality": "川崎市高津区",
        "median": 337500,
        "average": 355135,
        "count": 52,
        "lat": 35.591605,
        "lng": 139.613166
      },
      {
        "municipalityCode": "14103",
        "municipality": "横浜市西区",
        "median": 336000,
        "average": 425389,
        "count": 18,
        "lat": 35.455638,
        "lng": 139.614624
      },
      {
        "municipalityCode": "14131",
        "municipality": "川崎市川崎区",
        "median": 331500,
        "average": 329031,
        "count": 32,
        "lat": 35.522405,
        "lng": 139.713041
      },
      {
        "municipalityCode": "14102",
        "municipality": "横浜市神奈川区",
        "median": 329000,
        "average": 332458,
        "count": 48,
        "lat": 35.487074,
        "lng": 139.620895
      },
      {
        "municipalityCode": "14118",
        "municipality": "横浜市都筑区",
        "median": 321500,
        "average": 317620,
        "count": 50,
        "lat": 35.549649,
        "lng": 139.575051
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "median": 307000,
        "average": 334149,
        "count": 94,
        "lat": 35.559347,
        "lng": 139.53006
      },
      {
        "municipalityCode": "14101",
        "municipality": "横浜市鶴見区",
        "median": 298000,
        "average": 309685,
        "count": 54,
        "lat": 35.514924,
        "lng": 139.669684
      },
      {
        "municipalityCode": "14135",
        "municipality": "川崎市多摩区",
        "median": 264000,
        "average": 272000,
        "count": 70,
        "lat": 35.618333,
        "lng": 139.548173
      },
      {
        "municipalityCode": "14136",
        "municipality": "川崎市宮前区",
        "median": 255500,
        "average": 292814,
        "count": 70,
        "lat": 35.583688,
        "lng": 139.581645
      },
      {
        "municipalityCode": "14113",
        "municipality": "横浜市緑区",
        "median": 232500,
        "average": 240860,
        "count": 50,
        "lat": 35.519217,
        "lng": 139.524297
      },
      {
        "municipalityCode": "14105",
        "municipality": "横浜市南区",
        "median": 230000,
        "average": 244737,
        "count": 38,
        "lat": 35.429279,
        "lng": 139.603781
      },
      {
        "municipalityCode": "14153",
        "municipality": "相模原市南区",
        "median": 229000,
        "average": 228520,
        "count": 74,
        "lat": 35.527109,
        "lng": 139.420507
      },
      {
        "municipalityCode": "14116",
        "municipality": "横浜市泉区",
        "median": 223500,
        "average": 222750,
        "count": 52,
        "lat": 35.42106,
        "lng": 139.504086
      },
      {
        "municipalityCode": "14137",
        "municipality": "川崎市麻生区",
        "median": 217500,
        "average": 239235,
        "count": 68,
        "lat": 35.601096,
        "lng": 139.506087
      },
      {
        "municipalityCode": "14207",
        "municipality": "茅ヶ崎市",
        "median": 215500,
        "average": 239421,
        "count": 66,
        "lat": 35.336341,
        "lng": 139.408903
      },
      {
        "municipalityCode": "14208",
        "municipality": "逗子市",
        "median": 214500,
        "average": 215767,
        "count": 30,
        "lat": 35.298644,
        "lng": 139.583139
      }
    ],
    "points": [
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 905000,
        "lat": 35.58040417,
        "lng": 139.6557825,
        "address": "小杉町２丁目２０７番４"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 905000,
        "lat": 35.58040417,
        "lng": 139.6557825,
        "address": "小杉町２丁目２０７番４"
      },
      {
        "municipalityCode": "14104",
        "municipality": "横浜市中区",
        "pricePerSquareMeter": 822000,
        "lat": 35.43786639,
        "lng": 139.64973583,
        "address": "山手町７３番７"
      },
      {
        "municipalityCode": "14104",
        "municipality": "横浜市中区",
        "pricePerSquareMeter": 820000,
        "lat": 35.43786639,
        "lng": 139.64973583,
        "address": "山手町７３番７"
      },
      {
        "municipalityCode": "14103",
        "municipality": "横浜市西区",
        "pricePerSquareMeter": 780000,
        "lat": 35.45640889,
        "lng": 139.61642528,
        "address": "中央１－３６－５"
      },
      {
        "municipalityCode": "14103",
        "municipality": "横浜市西区",
        "pricePerSquareMeter": 778000,
        "lat": 35.45640889,
        "lng": 139.61642528,
        "address": "中央１－３６－５"
      },
      {
        "municipalityCode": "14134",
        "municipality": "川崎市高津区",
        "pricePerSquareMeter": 713000,
        "lat": 35.59715111,
        "lng": 139.61677306,
        "address": "久本３－５－４"
      },
      {
        "municipalityCode": "14134",
        "municipality": "川崎市高津区",
        "pricePerSquareMeter": 712000,
        "lat": 35.59715111,
        "lng": 139.61677306,
        "address": "久本３－５－４"
      },
      {
        "municipalityCode": "14109",
        "municipality": "横浜市港北区",
        "pricePerSquareMeter": 678000,
        "lat": 35.55438306,
        "lng": 139.64446111,
        "address": "日吉本町１－５－１０"
      },
      {
        "municipalityCode": "14109",
        "municipality": "横浜市港北区",
        "pricePerSquareMeter": 674000,
        "lat": 35.55438306,
        "lng": 139.64446111,
        "address": "日吉本町１－５－１０"
      },
      {
        "municipalityCode": "14104",
        "municipality": "横浜市中区",
        "pricePerSquareMeter": 655000,
        "lat": 35.43698889,
        "lng": 139.65648611,
        "address": "山手町２４４番９"
      },
      {
        "municipalityCode": "14104",
        "municipality": "横浜市中区",
        "pricePerSquareMeter": 652000,
        "lat": 35.43698889,
        "lng": 139.65648611,
        "address": "山手町２４４番９"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 644000,
        "lat": 35.57529306,
        "lng": 139.56005111,
        "address": "新石川３丁目１６番７"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 644000,
        "lat": 35.57529306,
        "lng": 139.56005111,
        "address": "新石川３丁目１６番７"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 624000,
        "lat": 35.57742694,
        "lng": 139.55380806,
        "address": "美しが丘５丁目１番２１"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 620000,
        "lat": 35.57742694,
        "lng": 139.55380806,
        "address": "美しが丘５丁目１番２１"
      },
      {
        "municipalityCode": "14103",
        "municipality": "横浜市西区",
        "pricePerSquareMeter": 616000,
        "lat": 35.46216111,
        "lng": 139.61126389,
        "address": "岡野２－１７－１５"
      },
      {
        "municipalityCode": "14103",
        "municipality": "横浜市西区",
        "pricePerSquareMeter": 615000,
        "lat": 35.46216111,
        "lng": 139.61126389,
        "address": "岡野２－１７－１５"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 608000,
        "lat": 35.58324806,
        "lng": 139.55638806,
        "address": "美しが丘２丁目２８番６"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 608000,
        "lat": 35.58324806,
        "lng": 139.55638806,
        "address": "美しが丘２丁目２８番６"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 603000,
        "lat": 35.57171139,
        "lng": 139.65570722,
        "address": "今井南町２０－６"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 602000,
        "lat": 35.57171139,
        "lng": 139.65570722,
        "address": "今井南町２０－６"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 593000,
        "lat": 35.56651944,
        "lng": 139.65297806,
        "address": "木月１－９－１５"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 588000,
        "lat": 35.56651944,
        "lng": 139.65297806,
        "address": "木月１－９－１５"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 584000,
        "lat": 35.57470111,
        "lng": 139.55172444,
        "address": "美しが丘５丁目２３番１７"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 584000,
        "lat": 35.57470111,
        "lng": 139.55172444,
        "address": "美しが丘５丁目２３番１７"
      },
      {
        "municipalityCode": "14109",
        "municipality": "横浜市港北区",
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        "lat": 35.52025194,
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        "address": "大倉山３－３７－５"
      },
      {
        "municipalityCode": "14109",
        "municipality": "横浜市港北区",
        "pricePerSquareMeter": 574000,
        "lat": 35.52025194,
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        "address": "大倉山３－３７－５"
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        "municipalityCode": "14136",
        "municipality": "川崎市宮前区",
        "pricePerSquareMeter": 561000,
        "lat": 35.585405,
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        "address": "土橋４丁目３番６"
      },
      {
        "municipalityCode": "14136",
        "municipality": "川崎市宮前区",
        "pricePerSquareMeter": 561000,
        "lat": 35.585405,
        "lng": 139.57095611,
        "address": "土橋４丁目３番６"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 560000,
        "lat": 35.58262306,
        "lng": 139.65877889,
        "address": "小杉陣屋町１－６－８"
      },
      {
        "municipalityCode": "14204",
        "municipality": "鎌倉市",
        "pricePerSquareMeter": 560000,
        "lat": 35.32097222,
        "lng": 139.54880556,
        "address": "扇ガ谷１－１－５"
      },
      {
        "municipalityCode": "14204",
        "municipality": "鎌倉市",
        "pricePerSquareMeter": 560000,
        "lat": 35.32097222,
        "lng": 139.54880556,
        "address": "扇ガ谷１－１－５"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 559000,
        "lat": 35.57305556,
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        "address": "新石川２丁目１１番１０７"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 559000,
        "lat": 35.58262306,
        "lng": 139.65877889,
        "address": "小杉陣屋町１－６－８"
      },
      {
        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
        "pricePerSquareMeter": 558000,
        "lat": 35.57305556,
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        "address": "新石川２丁目１１番１０７"
      },
      {
        "municipalityCode": "14132",
        "municipality": "川崎市幸区",
        "pricePerSquareMeter": 553000,
        "lat": 35.53604278,
        "lng": 139.69807889,
        "address": "幸町２丁目６９１番２"
      },
      {
        "municipalityCode": "14132",
        "municipality": "川崎市幸区",
        "pricePerSquareMeter": 551000,
        "lat": 35.53604278,
        "lng": 139.69807889,
        "address": "幸町２丁目６９１番２"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 547000,
        "lat": 35.57665722,
        "lng": 139.65129611,
        "address": "今井仲町６－１"
      },
      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "pricePerSquareMeter": 546000,
        "lat": 35.57665722,
        "lng": 139.65129611,
        "address": "今井仲町６－１"
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    ],
    "percentiles": {
      "p25": 143000,
      "p50": 198000,
      "p75": 288000
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  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 2101
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 2741
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 3559
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      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 6005
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      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 4160
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      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 1215
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    ],
    "municipalitySummary": [
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        "municipalityCode": "14117",
        "municipality": "横浜市青葉区",
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        "average": 64929121,
        "count": 546,
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      {
        "municipalityCode": "14118",
        "municipality": "横浜市都筑区",
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        "average": 75516346,
        "count": 312,
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        "lng": null
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      {
        "municipalityCode": "14133",
        "municipality": "川崎市中原区",
        "median": 48000000,
        "average": 66007987,
        "count": 601,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "14109",
        "municipality": "横浜市港北区",
        "median": 46000000,
        "average": 61819509,
        "count": 856,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "14204",
        "municipality": "鎌倉市",
        "median": 46000000,
        "average": 70827523,
        "count": 436,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14134",
        "municipality": "川崎市高津区",
        "median": 45000000,
        "average": 61636691,
        "count": 417,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14132",
        "municipality": "川崎市幸区",
        "median": 44000000,
        "average": 58589209,
        "count": 417,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "14137",
        "municipality": "川崎市麻生区",
        "median": 44000000,
        "average": 45887540,
        "count": 313,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "14205",
        "municipality": "藤沢市",
        "median": 44000000,
        "average": 66073763,
        "count": 954,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14301",
        "municipality": "三浦郡葉山町",
        "median": 44000000,
        "average": 48428571,
        "count": 56,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "14135",
        "municipality": "川崎市多摩区",
        "median": 40000000,
        "average": 58592582,
        "count": 364,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14136",
        "municipality": "川崎市宮前区",
        "median": 40000000,
        "average": 51017544,
        "count": 399,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14207",
        "municipality": "茅ヶ崎市",
        "median": 39000000,
        "average": 50276453,
        "count": 547,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14208",
        "municipality": "逗子市",
        "median": 38500000,
        "average": 47715493,
        "count": 142,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14102",
        "municipality": "横浜市神奈川区",
        "median": 37000000,
        "average": 75531906,
        "count": 724,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14113",
        "municipality": "横浜市緑区",
        "median": 37000000,
        "average": 46675426,
        "count": 317,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14114",
        "municipality": "横浜市瀬谷区",
        "median": 37000000,
        "average": 39309375,
        "count": 224,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14101",
        "municipality": "横浜市鶴見区",
        "median": 36000000,
        "average": 60900015,
        "count": 676,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14116",
        "municipality": "横浜市泉区",
        "median": 35000000,
        "average": 38509236,
        "count": 314,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "14153",
        "municipality": "相模原市南区",
        "median": 35000000,
        "average": 42778330,
        "count": 563,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 19781,
    "percentiles": {
      "p25": 20000000,
      "p50": 34000000,
      "p75": 51000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 9237337,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "神奈川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": 2,
    "transactionRank": 2,
    "populationRank": 2
  }
}