{
  "name": "Hampton Bays, New York",
  "url": "https://longislandtraffic.com/towns/suffolk/hampton-bays/",
  "updated": "2026-09-17",
  "publisher": "Long Island Traffic (https://longislandtraffic.com)",
  "methodology": "https://longislandtraffic.com/towns/methodology/",
  "reuse": "Quote with credit and a link to the page URL above. Underlying federal and state datasets are public records.",
  "geography": {
    "slug": "hampton-bays",
    "county": "suffolk",
    "censusName": "Hampton Bays CDP",
    "geoType": "census-designated place",
    "legalStatus": "hamlet (unincorporated)",
    "geoid": "3631896",
    "gnisId": "2389893",
    "pop2020": 15228,
    "housingUnits2020": 7879,
    "landSqMi": 12.94,
    "waterSqMi": 7.57,
    "densityPerSqMi": 1177,
    "internalPoint": [
      40.86465,
      -72.5181
    ],
    "parentTown": "Southampton town",
    "parentTownGeoid": "3610368473",
    "townShares": [
      {
        "name": "Southampton town",
        "share": 1
      }
    ]
  },
  "fatalCrashes2010to2024": {
    "period": "2010–2024",
    "crashes": 16,
    "deaths": 16,
    "pedestrianDeaths": 7,
    "bicyclistDeaths": 0,
    "motorcyclistDeaths": 2,
    "crashesWithDriverBac08": 2,
    "multiFatalityCrashes": 0,
    "onLimitedAccessHighways": {
      "crashes": 0,
      "deaths": 0
    },
    "deathsPer100kResidentsPerYear": 7,
    "byYear": [
      {
        "year": 2010,
        "crashes": 0,
        "deaths": 0
      },
      {
        "year": 2011,
        "crashes": 0,
        "deaths": 0
      },
      {
        "year": 2012,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2013,
        "crashes": 0,
        "deaths": 0
      },
      {
        "year": 2014,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2015,
        "crashes": 0,
        "deaths": 0
      },
      {
        "year": 2016,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2017,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2018,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2019,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2020,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2021,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2022,
        "crashes": 2,
        "deaths": 2
      },
      {
        "year": 2023,
        "crashes": 1,
        "deaths": 1
      },
      {
        "year": 2024,
        "crashes": 3,
        "deaths": 3
      }
    ],
    "byTimeOfDay": {
      "known": 16,
      "morning6to10": 2,
      "midday10to16": 2,
      "evening16to20": 7,
      "night20to6": 5
    },
    "darkShare": 0.438,
    "topRoads": [
      {
        "name": "Montauk Highway (NY 27A / CR 80 / CR 85)",
        "slug": "montauk-highway",
        "crashes": 4,
        "deaths": 4
      },
      {
        "name": "Sunrise Highway (NY 27)",
        "slug": "sunrise-highway",
        "crashes": 4,
        "deaths": 4
      },
      {
        "name": "Springville Rd",
        "slug": null,
        "crashes": 2,
        "deaths": 2
      },
      {
        "name": "North Rd",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Good Ground Rd",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Bellows Pond Rd",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Flanders Road / Riverleigh Avenue (NY 24)",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      },
      {
        "name": "Fanning Ave",
        "slug": null,
        "crashes": 1,
        "deaths": 1
      }
    ],
    "roadOwnership": {
      "period": "2015–2024",
      "crashes": 14,
      "owners": [
        {
          "owner": "Town or Township Highway Agency",
          "crashes": 7
        },
        {
          "owner": "State Highway Agency",
          "crashes": 5
        },
        {
          "owner": "County Highway Agency",
          "crashes": 2
        }
      ]
    }
  },
  "allReportedCrashes": {
    "years": [
      "2021",
      "2022",
      "2023",
      "2024"
    ],
    "scope": "parent-town",
    "municipalityCode": "SOUTHAMPTON",
    "label": "Town of Southampton",
    "total": 9585,
    "fatal": 31,
    "injury": 2049,
    "propertyDamageOnly": 7505,
    "byYear": {
      "2021": 2240,
      "2022": 2292,
      "2023": 2458,
      "2024": 2595
    },
    "pedestrian": 84,
    "bicyclist": 90,
    "deer": 526,
    "otherAnimal": 213
  },
  "commute": {
    "workers16plus": 7564,
    "commutersNotWorkingFromHome": 6844,
    "meanTravelMinutes": {
      "value": 34.2,
      "moe": 6.4,
      "lowReliability": false
    },
    "pct60MinPlus": {
      "value": 17.5,
      "moe": 3.1,
      "lowReliability": false
    },
    "pct90MinPlus": {
      "value": 5.8,
      "moe": 2,
      "lowReliability": false
    },
    "pctUnder15Min": {
      "value": 19.9,
      "moe": 4.7,
      "lowReliability": false
    },
    "pctDroveAlone": {
      "value": 70.1,
      "moe": 6,
      "lowReliability": false
    },
    "pctCarpooled": {
      "value": 10.3,
      "moe": 4.5,
      "lowReliability": false
    },
    "pctPublicTransit": {
      "value": 5.9,
      "moe": 1.8,
      "lowReliability": false
    },
    "pctCommuterRail": {
      "value": 1.1,
      "moe": 1.1,
      "lowReliability": true
    },
    "pctBus": {
      "value": 3,
      "moe": 1.4,
      "lowReliability": false
    },
    "pctWalked": {
      "value": 3.8,
      "moe": 2,
      "lowReliability": true
    },
    "pctBicycle": {
      "value": 0.1,
      "moe": 0.2,
      "lowReliability": true
    },
    "pctWorkedFromHome": {
      "value": 9.5,
      "moe": 3.1,
      "lowReliability": false
    },
    "pctLeaveBefore6am": {
      "value": 13.5,
      "moe": 4.5,
      "lowReliability": false
    },
    "pctLeaveBefore7am": {
      "value": 31.3,
      "moe": 4.7,
      "lowReliability": false
    },
    "households": 6050,
    "pctNoVehicle": {
      "value": 4.1,
      "moe": 1.8,
      "lowReliability": false
    },
    "pctThreePlusVehicles": {
      "value": 30.8,
      "moe": 6.7,
      "lowReliability": false
    },
    "medianHouseholdIncome": {
      "value": 134216,
      "moe": 17646
    },
    "medianAge": {
      "value": 44.2,
      "moe": 3.2
    }
  },
  "benchmarks": {
    "county": {
      "workers16plus": 766432,
      "commutersNotWorkingFromHome": 674118,
      "meanTravelMinutes": {
        "value": 31.1,
        "moe": 0.4,
        "lowReliability": false
      },
      "pct60MinPlus": {
        "value": 14.1,
        "moe": 0.4,
        "lowReliability": false
      },
      "pct90MinPlus": {
        "value": 6.5,
        "moe": 0.3,
        "lowReliability": false
      },
      "pctUnder15Min": {
        "value": 22.8,
        "moe": 0.6,
        "lowReliability": false
      },
      "pctDroveAlone": {
        "value": 72.1,
        "moe": 0.4,
        "lowReliability": false
      },
      "pctCarpooled": {
        "value": 7.5,
        "moe": 0.3,
        "lowReliability": false
      },
      "pctPublicTransit": {
        "value": 4.8,
        "moe": 0.2,
        "lowReliability": false
      },
      "pctCommuterRail": {
        "value": 3.2,
        "moe": 0.2,
        "lowReliability": false
      },
      "pctBus": {
        "value": 0.6,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctWalked": {
        "value": 1.4,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctBicycle": {
        "value": 0.2,
        "moe": 0,
        "lowReliability": false
      },
      "pctWorkedFromHome": {
        "value": 12,
        "moe": 0.3,
        "lowReliability": false
      },
      "pctLeaveBefore6am": {
        "value": 12,
        "moe": 0.4,
        "lowReliability": false
      },
      "pctLeaveBefore7am": {
        "value": 30.2,
        "moe": 0.6,
        "lowReliability": false
      },
      "households": 512565,
      "pctNoVehicle": {
        "value": 5.1,
        "moe": 0.2,
        "lowReliability": false
      },
      "pctThreePlusVehicles": {
        "value": 28.8,
        "moe": 0.5,
        "lowReliability": false
      },
      "medianHouseholdIncome": {
        "value": 130686,
        "moe": 1707
      },
      "medianAge": {
        "value": 41.7,
        "moe": 0.2
      }
    },
    "state": {
      "workers16plus": 9306567,
      "commutersNotWorkingFromHome": 7916632,
      "meanTravelMinutes": {
        "value": 32.6,
        "moe": 0.1,
        "lowReliability": false
      },
      "pct60MinPlus": {
        "value": 16.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "pct90MinPlus": {
        "value": 5.3,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctUnder15Min": {
        "value": 20.5,
        "moe": 0.2,
        "lowReliability": false
      },
      "pctDroveAlone": {
        "value": 48.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctCarpooled": {
        "value": 6.3,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctPublicTransit": {
        "value": 21.6,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctCommuterRail": {
        "value": 1.8,
        "moe": 0,
        "lowReliability": false
      },
      "pctBus": {
        "value": 5.1,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctWalked": {
        "value": 5.6,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctBicycle": {
        "value": 0.8,
        "moe": 0,
        "lowReliability": false
      },
      "pctWorkedFromHome": {
        "value": 14.9,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctLeaveBefore6am": {
        "value": 10.6,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctLeaveBefore7am": {
        "value": 26.3,
        "moe": 0.2,
        "lowReliability": false
      },
      "households": 7722646,
      "pctNoVehicle": {
        "value": 29.2,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctThreePlusVehicles": {
        "value": 11.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "medianHouseholdIncome": {
        "value": 85974,
        "moe": 402
      },
      "medianAge": {
        "value": 39.8,
        "moe": 0.1
      }
    },
    "nation": {
      "workers16plus": 159114094,
      "commutersNotWorkingFromHome": 135071605,
      "meanTravelMinutes": {
        "value": 26.4,
        "moe": 0,
        "lowReliability": false
      },
      "pct60MinPlus": {
        "value": 8.6,
        "moe": 0,
        "lowReliability": false
      },
      "pct90MinPlus": {
        "value": 2.7,
        "moe": 0,
        "lowReliability": false
      },
      "pctUnder15Min": {
        "value": 26,
        "moe": 0,
        "lowReliability": false
      },
      "pctDroveAlone": {
        "value": 68.8,
        "moe": 0.1,
        "lowReliability": false
      },
      "pctCarpooled": {
        "value": 8.5,
        "moe": 0,
        "lowReliability": false
      },
      "pctPublicTransit": {
        "value": 3.2,
        "moe": 0,
        "lowReliability": false
      },
      "pctCommuterRail": {
        "value": 0.3,
        "moe": 0,
        "lowReliability": false
      },
      "pctBus": {
        "value": 1.5,
        "moe": 0,
        "lowReliability": false
      },
      "pctWalked": {
        "value": 2.4,
        "moe": 0,
        "lowReliability": false
      },
      "pctBicycle": {
        "value": 0.4,
        "moe": 0,
        "lowReliability": false
      },
      "pctWorkedFromHome": {
        "value": 15.1,
        "moe": 0,
        "lowReliability": false
      },
      "pctLeaveBefore6am": {
        "value": 14.4,
        "moe": 0,
        "lowReliability": false
      },
      "pctLeaveBefore7am": {
        "value": 32.5,
        "moe": 0,
        "lowReliability": false
      },
      "households": 129227496,
      "pctNoVehicle": {
        "value": 8.4,
        "moe": 0,
        "lowReliability": false
      },
      "pctThreePlusVehicles": {
        "value": 21.9,
        "moe": 0,
        "lowReliability": false
      },
      "medianHouseholdIncome": {
        "value": 80734,
        "moe": 166
      },
      "medianAge": {
        "value": 38.9,
        "moe": 0.1
      }
    }
  },
  "research": {
    "researchedAt": "2026-09-17",
    "identity": {
      "officialName": "Hampton Bays",
      "placeType": "hamlet and census-designated place",
      "parentTown": "Town of Southampton",
      "alsoIn": [],
      "formerNames": [
        {
          "name": "Good Ground",
          "note": "earlier name of the community; the Southampton History Museum's own history blog refers to a 19th-century resident as being \"of Good Ground (Hampton Bays)\"",
          "src": [
            1
          ]
        }
      ],
      "nameOrigin": null,
      "founded": null,
      "incorporated": null,
      "gnisId": null,
      "wikidataId": null
    },
    "quickFacts": [
      {
        "label": "Legal status",
        "value": "Unincorporated hamlet of the Town of Southampton; tabulated by the Census Bureau as the Hampton Bays CDP",
        "src": [
          2
        ]
      },
      {
        "label": "Former name",
        "value": "Good Ground",
        "src": [
          1
        ]
      },
      {
        "label": "Town Police headquarters",
        "value": "The Town of Southampton Police Department's headquarters, though it is a town-wide agency, is physically located at 110 Old Riverhead Road, Hampton Bays",
        "src": [
          2
        ]
      },
      {
        "label": "Town Justice Court",
        "value": "The Town of Southampton Justice Court's clerk's window and courthouse are physically located at 32 Jackson Ave., Hampton Bays",
        "src": [
          3
        ]
      },
      {
        "label": "Main roads",
        "value": "NY 24 (Hempstead Turnpike) terminates in Hampton Bays at County Road 80; NY 27 (Sunrise Highway) runs through",
        "src": [
          5,
          6
        ]
      },
      {
        "label": "Hospital",
        "value": "Stony Brook Southampton Hospital, 240 Meeting House Lane, Southampton",
        "src": [
          7
        ]
      }
    ],
    "timeline": [
      {
        "date": "1951-07-01",
        "label": "Southampton Town Police founded",
        "text": "The Town of Southampton Police Department, whose headquarters today sit in Hampton Bays, was founded with 9 officers.",
        "src": [
          2
        ]
      }
    ],
    "sections": [
      {
        "id": "history",
        "heading": "History",
        "paragraphs": [
          "Hampton Bays was formerly known as Good Ground; the Southampton History Museum's own history blog, in an account of a Civil War soldier, describes him as being \"of Good Ground (Hampton Bays),\" confirming the earlier name without independently dating the change to the current one.[1]",
          "As an unincorporated hamlet, Hampton Bays has no government, school board or police force of its own; it is administered as part of the Town of Southampton.[2] Two of the Town's own government functions are, however, physically headquartered within Hampton Bays: the Southampton Town Police Department's headquarters is at 110 Old Riverhead Road, and the Town's Justice Court clerk's window and courthouse are at 32 Jackson Ave.[2][3]"
        ]
      },
      {
        "id": "roads",
        "heading": "How the roads got here",
        "paragraphs": [
          "New York State Route 24 (Hempstead Turnpike) is, per NYSDOT's own touring-route description, one of the roads that ends in Hampton Bays: the route runs \"east on Hempstead Turnpike to East Meadow, Levittown, Farmingdale, East Farmingdale (NY 110), (NY 495) Exit 71, Riverhead, Hampton Bays (CR 80)\" before terminating at County Road 80.[5]"
        ]
      },
      {
        "id": "law",
        "heading": "Law and legal history",
        "paragraphs": [
          "Hampton Bays is subject to the Town of Southampton's own code of local laws (eCode360 client SO0286), which includes Chapter 287, \"Streets and Sidewalks\" (§287-1 to §287-32) — the chapter under which a prior-written-notice defense to claims over defective town roads and sidewalks would typically be codified.[4]"
        ]
      },
      {
        "id": "government",
        "heading": "Government, courts and policing",
        "paragraphs": [
          "Policing across the entire Town of Southampton, including Hampton Bays, is provided by the Southampton Town Police Department, whose own site states: \"Since its founding on July 1, 1951, the Southampton Town Police Department has grown from just 9 officers to 113 sworn officers.\"[2] The department's headquarters building is in Hampton Bays, at 110 Old Riverhead Road.[2] All criminal, civil, traffic and parking matters arising anywhere in the Town of Southampton, not only Hampton Bays, are processed at the Southampton Town Justice Court, whose clerk's window is at 32 Jackson Ave. in Hampton Bays; the court's own site describes it as \"a multi-faceted Court, processing all criminal, civil, traffic, and parking summonses issued within the Town of Southampton,\" handling complaints from agencies including the Town Police, Suffolk County Police, the Suffolk County Sheriff, State Police, Bay Constables, Building and Zoning, Environmental Conservation, Fire Marshal and Park Rangers.[3] In 2026 the court's four elected town justices were Patrick J. Gunn, Gary J. Weber, Karen M. Sartain and Adam Grossman.[3]"
        ]
      }
    ],
    "legalCases": [],
    "landmarks": [],
    "notableFacts": [
      {
        "text": "Hampton Bays was formerly known as Good Ground, per the Southampton History Museum's own account of a Civil War-era resident described as being \"of Good Ground (Hampton Bays).\"",
        "src": [
          1
        ]
      },
      {
        "text": "The Southampton Town Police Department, a town-wide agency founded July 1, 1951 with 9 officers and grown to 113 sworn officers, is headquartered in Hampton Bays.",
        "src": [
          2
        ]
      },
      {
        "text": "The Town of Southampton's own Justice Court — which handles criminal, civil, traffic and parking cases from the entire Town, not just Hampton Bays — sits at 32 Jackson Ave. in Hampton Bays.",
        "src": [
          3
        ]
      },
      {
        "text": "NYSDOT's own touring-route description places the eastern end of NY 24 (Hempstead Turnpike) at County Road 80 in Hampton Bays.",
        "src": [
          5
        ]
      }
    ],
    "sources": [
      {
        "id": 1,
        "title": "Alonzo Foster: A Civil War Hero from Good Ground",
        "publisher": "Southampton History Museum",
        "url": "https://www.southamptonhistory.org/post/alonzo-foster-a-civil-war-hero-from-good-ground",
        "year": "2026",
        "type": "historical-society"
      },
      {
        "id": 2,
        "title": "Police",
        "publisher": "Town of Southampton",
        "url": "https://www.southamptontownny.gov/1487/Police",
        "year": "2026",
        "type": "government"
      },
      {
        "id": 3,
        "title": "Justice Court",
        "publisher": "Town of Southampton",
        "url": "https://www.southamptontownny.gov/252/justice-court",
        "year": "2026",
        "type": "government"
      },
      {
        "id": 4,
        "title": "Town of Southampton Code, Table of Contents",
        "publisher": "Town of Southampton / General Code (eCode360)",
        "url": "https://ecode360.com/SO0286",
        "year": "2026",
        "type": "government"
      },
      {
        "id": 5,
        "title": "Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State",
        "publisher": "New York State Department of Transportation, Office of Traffic Safety & Mobility",
        "url": "https://www.dot.ny.gov/divisions/operating/oom/transportation-systems/repository/2017%20tour-bk.pdf",
        "year": "2017",
        "type": "government"
      },
      {
        "id": 6,
        "title": "Official Description of Highway Touring Routes... (POW-MIA Memorial Highway designation)",
        "publisher": "New York State Department of Transportation, Office of Traffic Safety & Mobility",
        "url": "https://www.dot.ny.gov/divisions/operating/oom/transportation-systems/repository/2017%20tour-bk.pdf",
        "year": "2017",
        "type": "government"
      },
      {
        "id": 7,
        "title": "Stony Brook Southampton Hospital (home page)",
        "publisher": "Stony Brook Medicine",
        "url": "https://southampton.stonybrookmedicine.edu/",
        "year": "2026",
        "type": "academic"
      }
    ]
  },
  "dataSources": {
    "census2020": {
      "name": "U.S. Census Bureau, TIGERweb — 2020 Census tabulation geography (POP100, HU100, AREALAND)",
      "url": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_Census2020/MapServer",
      "retrieved": "2026-09-17"
    },
    "acs": {
      "name": "U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates, tables B08303, B08013, B08301, B08302, B08201, B19013, B01002",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/",
      "period": "2020–2024",
      "retrieved": "2026-09-17",
      "note": "Survey estimates with 90% margins of error. lowReliability = coefficient of variation above 30%."
    },
    "fars": {
      "name": "National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), 2010–2024 national files",
      "url": "https://www.nhtsa.gov/file-downloads?p=nhtsa/downloads/FARS/",
      "retrieved": "2026-09-17",
      "preliminaryYears": [
        2024
      ],
      "note": "Crashes on public trafficways in which a person died within 30 days. No personal identifiers. Placed by reported coordinates into 2020 Census boundaries."
    },
    "nys": {
      "name": "New York State Department of Motor Vehicles, Motor Vehicle Crashes — Case Information: Four Year Window",
      "url": "https://data.ny.gov/Transportation/Motor-Vehicle-Crashes-Case-Information-Four-Year-W/e8ky-4vqe",
      "period": "2021–2024",
      "retrieved": "2026-09-17",
      "note": "Police-reported crashes coded to a town, city or village by the reporting agency. Hamlets are not coded; hamlet pages show the parent town."
    }
  }
}
