{
  "year": 2024,
  "period": "2020\u20132024",
  "survey": "American Community Survey 5-year estimates",
  "retrievedAt": "2026-10-03",
  "sources": [
    {
      "table": "B11001",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b11001.dat",
      "extractSha256": "fc92585a08c79a134973a3df1a0e29bdfe2fd8594406424c575c38c673ff54c1"
    },
    {
      "table": "B17017",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b17017.dat",
      "extractSha256": "fce65f04bbf8fa13c4d223125644bba227482240bd153048a5bceab09ffa4c86"
    },
    {
      "table": "B19013",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19013.dat",
      "extractSha256": "22b9d2d511489c636be8397fe2e349aeb09e67058c411938a8919828c46c99df"
    },
    {
      "table": "B25010",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25010.dat",
      "extractSha256": "9f3fecf7918334c59be69dbd1a1f459a33a28bea2debbc303d3d8eba73186cfb"
    }
  ],
  "counties": [
    {
      "county": "Atlantic",
      "fips": "34001",
      "households": 109557,
      "householdsMoe": 883,
      "povertyUniverse": 109557,
      "povertyHouseholds": 13894,
      "povertyHouseholdsMoe": 1113,
      "medianIncome": 78050,
      "medianIncomeMoe": 1834,
      "averageHouseholdSize": 2.47,
      "povertyPct": 12.681982894748852,
      "group": "C"
    },
    {
      "county": "Bergen",
      "fips": "34003",
      "households": 355127,
      "householdsMoe": 1060,
      "povertyUniverse": 355127,
      "povertyHouseholds": 27135,
      "povertyHouseholdsMoe": 1196,
      "medianIncome": 124884,
      "medianIncomeMoe": 1735,
      "averageHouseholdSize": 2.68,
      "povertyPct": 7.640928456580322,
      "group": "A"
    },
    {
      "county": "Burlington",
      "fips": "34005",
      "households": 177222,
      "householdsMoe": 741,
      "povertyUniverse": 177222,
      "povertyHouseholds": 12388,
      "povertyHouseholdsMoe": 971,
      "medianIncome": 108111,
      "medianIncomeMoe": 1600,
      "averageHouseholdSize": 2.58,
      "povertyPct": 6.990102808906343,
      "group": "A"
    },
    {
      "county": "Camden",
      "fips": "34007",
      "households": 202540,
      "householdsMoe": 891,
      "povertyUniverse": 202540,
      "povertyHouseholds": 25761,
      "povertyHouseholdsMoe": 1157,
      "medianIncome": 88755,
      "medianIncomeMoe": 1883,
      "averageHouseholdSize": 2.57,
      "povertyPct": 12.718969092524933,
      "group": "C"
    },
    {
      "county": "Cape May",
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      "povertyUniverse": 44884,
      "povertyHouseholds": 4295,
      "povertyHouseholdsMoe": 692,
      "medianIncome": 91128,
      "medianIncomeMoe": 3274,
      "averageHouseholdSize": 2.08,
      "povertyPct": 9.569111487389716,
      "group": "B"
    },
    {
      "county": "Cumberland",
      "fips": "34011",
      "households": 53781,
      "householdsMoe": 503,
      "povertyUniverse": 53781,
      "povertyHouseholds": 8860,
      "povertyHouseholdsMoe": 805,
      "medianIncome": 67436,
      "medianIncomeMoe": 1985,
      "averageHouseholdSize": 2.68,
      "povertyPct": 16.4742195199048,
      "group": "C"
    },
    {
      "county": "Essex",
      "fips": "34013",
      "households": 319788,
      "householdsMoe": 1015,
      "povertyUniverse": 319788,
      "povertyHouseholds": 51078,
      "povertyHouseholdsMoe": 2298,
      "medianIncome": 80789,
      "medianIncomeMoe": 1638,
      "averageHouseholdSize": 2.63,
      "povertyPct": 15.972456752598596,
      "group": "C"
    },
    {
      "county": "Gloucester",
      "fips": "34015",
      "households": 112545,
      "householdsMoe": 623,
      "povertyUniverse": 112545,
      "povertyHouseholds": 9442,
      "povertyHouseholdsMoe": 610,
      "medianIncome": 105115,
      "medianIncomeMoe": 2579,
      "averageHouseholdSize": 2.67,
      "povertyPct": 8.389533075658626,
      "group": "A"
    },
    {
      "county": "Hudson",
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      "households": 299682,
      "householdsMoe": 1343,
      "povertyUniverse": 299682,
      "povertyHouseholds": 43956,
      "povertyHouseholdsMoe": 1881,
      "medianIncome": 91795,
      "medianIncomeMoe": 1657,
      "averageHouseholdSize": 2.37,
      "povertyPct": 14.667547600456484,
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    },
    {
      "county": "Hunterdon",
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      "povertyUniverse": 50860,
      "povertyHouseholds": 2425,
      "povertyHouseholdsMoe": 372,
      "medianIncome": 141715,
      "medianIncomeMoe": 3618,
      "averageHouseholdSize": 2.51,
      "povertyPct": 4.7679905623279595,
      "group": "A"
    },
    {
      "county": "Mercer",
      "fips": "34021",
      "households": 144114,
      "householdsMoe": 834,
      "povertyUniverse": 144114,
      "povertyHouseholds": 15845,
      "povertyHouseholdsMoe": 1132,
      "medianIncome": 100645,
      "medianIncomeMoe": 2565,
      "averageHouseholdSize": 2.56,
      "povertyPct": 10.994768030864455,
      "group": "C"
    },
    {
      "county": "Middlesex",
      "fips": "34023",
      "households": 307782,
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      "povertyUniverse": 307782,
      "povertyHouseholds": 27245,
      "povertyHouseholdsMoe": 1533,
      "medianIncome": 111549,
      "medianIncomeMoe": 1881,
      "averageHouseholdSize": 2.75,
      "povertyPct": 8.85204462899065,
      "group": "A"
    },
    {
      "county": "Monmouth",
      "fips": "34025",
      "households": 251712,
      "householdsMoe": 1121,
      "povertyUniverse": 251712,
      "povertyHouseholds": 18401,
      "povertyHouseholdsMoe": 1140,
      "medianIncome": 124845,
      "medianIncomeMoe": 2115,
      "averageHouseholdSize": 2.54,
      "povertyPct": 7.310338799898297,
      "group": "A"
    },
    {
      "county": "Morris",
      "fips": "34027",
      "households": 193245,
      "householdsMoe": 705,
      "povertyUniverse": 193245,
      "povertyHouseholds": 11232,
      "povertyHouseholdsMoe": 819,
      "medianIncome": 137326,
      "medianIncomeMoe": 2991,
      "averageHouseholdSize": 2.62,
      "povertyPct": 5.812310797174571,
      "group": "A"
    },
    {
      "county": "Ocean",
      "fips": "34029",
      "households": 243843,
      "householdsMoe": 1514,
      "povertyUniverse": 243843,
      "povertyHouseholds": 22900,
      "povertyHouseholdsMoe": 1329,
      "medianIncome": 89863,
      "medianIncomeMoe": 1555,
      "averageHouseholdSize": 2.65,
      "povertyPct": 9.391288657045722,
      "group": "C"
    },
    {
      "county": "Passaic",
      "fips": "34031",
      "households": 178936,
      "householdsMoe": 778,
      "povertyUniverse": 178936,
      "povertyHouseholds": 24664,
      "povertyHouseholdsMoe": 1440,
      "medianIncome": 87522,
      "medianIncomeMoe": 2333,
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      "group": "C"
    },
    {
      "county": "Salem",
      "fips": "34033",
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      "povertyUniverse": 24846,
      "povertyHouseholds": 3080,
      "povertyHouseholdsMoe": 364,
      "medianIncome": 79960,
      "medianIncomeMoe": 3982,
      "averageHouseholdSize": 2.57,
      "povertyPct": 12.39636158737825,
      "group": "C"
    },
    {
      "county": "Somerset",
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      "povertyHouseholds": 7133,
      "povertyHouseholdsMoe": 883,
      "medianIncome": 140374,
      "medianIncomeMoe": 3294,
      "averageHouseholdSize": 2.64,
      "povertyPct": 5.453280530878732,
      "group": "A"
    },
    {
      "county": "Sussex",
      "fips": "34037",
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      "householdsMoe": 572,
      "povertyUniverse": 57767,
      "povertyHouseholds": 3244,
      "povertyHouseholdsMoe": 417,
      "medianIncome": 116186,
      "medianIncomeMoe": 2466,
      "averageHouseholdSize": 2.5,
      "povertyPct": 5.615662921737324,
      "group": "A"
    },
    {
      "county": "Union",
      "fips": "34039",
      "households": 203277,
      "householdsMoe": 863,
      "povertyUniverse": 203277,
      "povertyHouseholds": 18431,
      "povertyHouseholdsMoe": 891,
      "medianIncome": 103202,
      "medianIncomeMoe": 2659,
      "averageHouseholdSize": 2.82,
      "povertyPct": 9.066938217309385,
      "group": "A"
    },
    {
      "county": "Warren",
      "fips": "34041",
      "households": 45391,
      "householdsMoe": 321,
      "povertyUniverse": 45391,
      "povertyHouseholds": 3883,
      "povertyHouseholdsMoe": 438,
      "medianIncome": 100869,
      "medianIncomeMoe": 3607,
      "averageHouseholdSize": 2.4,
      "povertyPct": 8.554559273864863,
      "group": "B"
    }
  ],
  "grouping": {
    "method": "K-means clustering",
    "k": 3,
    "seed": 42,
    "restarts": 40,
    "inertia": 22.237077312748728,
    "featureMeans": [
      9.862099756950128,
      11.525598112873016,
      2.5785714285714283
    ],
    "featureScales": [
      3.4413379372178032,
      0.2009629046039912,
      0.16295736264684796
    ],
    "standardizedCenters": [
      [
        -0.8346133769489565,
        0.8663658091667739,
        0.3217318357206846
      ],
      [
        0.31043343696838815,
        -0.3448114222958585,
        -1.8117505735406283
      ],
      [
        0.9268541823230523,
        -0.9536529780974962,
        0.27724167042688425
      ]
    ],
    "features": [
      "Household poverty percentage",
      "Log median household income",
      "Average household size"
    ],
    "groups": [
      {
        "id": "A",
        "counties": [
          "Bergen",
          "Burlington",
          "Gloucester",
          "Hunterdon",
          "Middlesex",
          "Monmouth",
          "Morris",
          "Somerset",
          "Sussex",
          "Union"
        ],
        "households": 1840339,
        "povertyPct": 7.448410320055164,
        "meanCountyMedianIncome": 121330.7
      },
      {
        "id": "B",
        "counties": [
          "Cape May",
          "Hudson",
          "Warren"
        ],
        "households": 389957,
        "povertyPct": 13.369166343981515,
        "meanCountyMedianIncome": 94597.33333333333
      },
      {
        "id": "C",
        "counties": [
          "Atlantic",
          "Camden",
          "Cumberland",
          "Essex",
          "Mercer",
          "Ocean",
          "Passaic",
          "Salem"
        ],
        "households": 1277405,
        "povertyPct": 13.001514789749532,
        "meanCountyMedianIncome": 84127.5
      }
    ]
  },
  "notes": [
    "Five-year period estimates, not a count for June 2026. Fixed 2020\u20132024 reference for all county snapshot dates.",
    "SNAP administrative households and ACS households have different definitions; their ratio is approximate.",
    "Other program counts are families/cases, so ratios are units per 100 households, not the percent of households served.",
    "Published household margins of error are 90% confidence margins. They do not include DFD reporting uncertainty.",
    "Grouping uses Census features only, without participation data. Groups are exploratory and are not forecast inputs."
  ]
}