{ "name": "Seaford, New York", "url": "https://longislandtraffic.com/towns/nassau/seaford/", "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": "seaford", "county": "nassau", "censusName": "Seaford CDP", "geoType": "census-designated place", "legalStatus": "hamlet (unincorporated)", "geoid": "3666058", "gnisId": "2390268", "pop2020": 15251, "housingUnits2020": 5475, "landSqMi": 2.61, "waterSqMi": 0.06, "densityPerSqMi": 5844, "internalPoint": [ 40.66624, -73.49264 ], "parentTown": "Hempstead town", "parentTownGeoid": "3605934000", "townShares": [ { "name": "Hempstead town", "share": 1 } ] }, "fatalCrashes2010to2024": { "period": "2010–2024", "crashes": 8, "deaths": 8, "pedestrianDeaths": 4, "bicyclistDeaths": 0, "motorcyclistDeaths": 0, "crashesWithDriverBac08": 1, "multiFatalityCrashes": 0, "onLimitedAccessHighways": { "crashes": 1, "deaths": 1 }, "deathsPer100kResidentsPerYear": 3.5, "byYear": [ { "year": 2010, "crashes": 0, "deaths": 0 }, { "year": 2011, "crashes": 1, "deaths": 1 }, { "year": 2012, "crashes": 0, "deaths": 0 }, { "year": 2013, "crashes": 2, "deaths": 2 }, { "year": 2014, "crashes": 0, "deaths": 0 }, { "year": 2015, "crashes": 0, "deaths": 0 }, { "year": 2016, "crashes": 0, "deaths": 0 }, { "year": 2017, "crashes": 1, "deaths": 1 }, { "year": 2018, "crashes": 3, "deaths": 3 }, { "year": 2019, "crashes": 0, "deaths": 0 }, { "year": 2020, "crashes": 0, "deaths": 0 }, { "year": 2021, "crashes": 0, "deaths": 0 }, { "year": 2022, "crashes": 1, "deaths": 1 }, { "year": 2023, "crashes": 0, "deaths": 0 }, { "year": 2024, "crashes": 0, "deaths": 0 } ], "byTimeOfDay": { "known": 8, "morning6to10": 1, "midday10to16": 2, "evening16to20": 4, "night20to6": 1 }, "darkShare": 0.625, "topRoads": [ { "name": "Sunrise Highway (NY 27)", "slug": "sunrise-highway", "crashes": 3, "deaths": 3 }, { "name": "Seaford–Oyster Bay Expressway (NY 135)", "slug": "seaford-oyster-bay-expressway", "crashes": 1, "deaths": 1 }, { "name": "County Route 27", "slug": null, "crashes": 1, "deaths": 1 }, { "name": "Alder Ct", "slug": null, "crashes": 1, "deaths": 1 }, { "name": "Merrick Road", "slug": null, "crashes": 1, "deaths": 1 }, { "name": "Washington Ave", "slug": null, "crashes": 1, "deaths": 1 } ], "roadOwnership": { "period": "2015–2024", "crashes": 5, "owners": [ { "owner": "State Highway Agency", "crashes": 3 }, { "owner": "County Highway Agency", "crashes": 1 }, { "owner": "Town or Township Highway Agency", "crashes": 1 } ] } }, "allReportedCrashes": { "years": [ "2021", "2022", "2023", "2024" ], "scope": "parent-town", "municipalityCode": "HEMPSTEAD", "label": "Town of Hempstead", "total": 68511, "fatal": 142, "injury": 18712, "propertyDamageOnly": 49657, "byYear": { "2021": 15884, "2022": 17747, "2023": 17500, "2024": 17380 }, "pedestrian": 1410, "bicyclist": 742, "deer": 5, "otherAnimal": 37 }, "commute": { "workers16plus": 8188, "commutersNotWorkingFromHome": 7120, "meanTravelMinutes": { "value": 38.4, "moe": 6.7, "lowReliability": false }, "pct60MinPlus": { "value": 26.9, "moe": 6, "lowReliability": false }, "pct90MinPlus": { "value": 8.8, "moe": 3.4, "lowReliability": false }, "pctUnder15Min": { "value": 17.3, "moe": 3.8, "lowReliability": false }, "pctDroveAlone": { "value": 63.3, "moe": 8.6, "lowReliability": false }, "pctCarpooled": { "value": 7, "moe": 3, "lowReliability": false }, "pctPublicTransit": { "value": 15.1, "moe": 5, "lowReliability": false }, "pctCommuterRail": { "value": 10.6, "moe": 4.4, "lowReliability": false }, "pctBus": { "value": 0.2, "moe": 0.3, "lowReliability": true }, "pctWalked": { "value": 1.1, "moe": 0.9, "lowReliability": true }, "pctBicycle": { "value": 0, "moe": 0.3, "lowReliability": true }, "pctWorkedFromHome": { "value": 13, "moe": 3.7, "lowReliability": false }, "pctLeaveBefore6am": { "value": 18.3, "moe": 4.4, "lowReliability": false }, "pctLeaveBefore7am": { "value": 33.5, "moe": 4.7, "lowReliability": false }, "households": 5227, "pctNoVehicle": { "value": 1.4, "moe": 1.1, "lowReliability": true }, "pctThreePlusVehicles": { "value": 29.1, "moe": 5.8, "lowReliability": false }, "medianHouseholdIncome": { "value": 172557, "moe": 19177 }, "medianAge": { "value": 40.3, "moe": 2.5 } }, "benchmarks": { "county": { "workers16plus": 679059, "commutersNotWorkingFromHome": 573233, "meanTravelMinutes": { "value": 36, "moe": 0.5, "lowReliability": false }, "pct60MinPlus": { "value": 22.3, "moe": 0.5, "lowReliability": false }, "pct90MinPlus": { "value": 7.6, "moe": 0.3, "lowReliability": false }, "pctUnder15Min": { "value": 17.9, "moe": 0.5, "lowReliability": false }, "pctDroveAlone": { "value": 60.7, "moe": 0.5, "lowReliability": false }, "pctCarpooled": { "value": 7.3, "moe": 0.3, "lowReliability": false }, "pctPublicTransit": { "value": 12.5, "moe": 0.4, "lowReliability": false }, "pctCommuterRail": { "value": 7.1, "moe": 0.3, "lowReliability": false }, "pctBus": { "value": 2.2, "moe": 0.2, "lowReliability": false }, "pctWalked": { "value": 2, "moe": 0.2, "lowReliability": false }, "pctBicycle": { "value": 0.2, "moe": 0.1, "lowReliability": false }, "pctWorkedFromHome": { "value": 15.6, "moe": 0.4, "lowReliability": false }, "pctLeaveBefore6am": { "value": 10.8, "moe": 0.4, "lowReliability": false }, "pctLeaveBefore7am": { "value": 26.6, "moe": 0.6, "lowReliability": false }, "households": 458166, "pctNoVehicle": { "value": 6.8, "moe": 0.3, "lowReliability": false }, "pctThreePlusVehicles": { "value": 23.3, "moe": 0.5, "lowReliability": false }, "medianHouseholdIncome": { "value": 146202, "moe": 1472 }, "medianAge": { "value": 42, "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": "Seaford", "placeType": "unincorporated hamlet and census-designated place", "parentTown": "Town of Hempstead", "alsoIn": [], "formerNames": [], "founded": null, "incorporated": null, "gnisId": null, "wikidataId": null, "nameOrigin": null }, "quickFacts": [ { "label": "Legal status", "value": "Unincorporated hamlet in the Town of Hempstead, Nassau County", "src": [ 1 ] }, { "label": "Police", "value": "Nassau County Police Department, Seventh Precinct, headquartered in Seaford", "src": [ 3, 4 ] }, { "label": "Main roads", "value": "Sunrise Highway (NY 27); Seaford-Oyster Bay Expressway (NY 135 / Ralph J. Marino Expressway)", "src": [ 2 ] } ], "timeline": [ { "date": "1643-12-13", "label": "Hempstead deed", "text": "Robert Fordham and John Carman negotiated the founding land deed for the Town of Hempstead, confirmed only in 1657.", "src": [ 1 ] }, { "date": "2003", "label": "Cell tower proposed", "text": "The state Department of Transportation notified the Town of Hempstead of plans for a cellular tower on state land near the Seaford-Oyster Bay Expressway/Sunrise Highway intersection.", "src": [ 6 ] }, { "date": "2004-11", "label": "Tower built", "text": "Crown Communication erected a 120-foot cellular tower on the site.", "src": [ 6 ] }, { "date": "2007-07-24", "label": "Town of Hempstead v. State", "text": "The Appellate Division held the state-owned tower immune from the town's local zoning law.", "src": [ 6 ] } ], "sections": [ { "id": "history", "heading": "History", "paragraphs": [ "Seaford lies within the Town of Hempstead, whose founding deed was negotiated on December 13, 1643 between English emissaries Robert Fordham and John Carman and Native representatives the town's own archives name as the Reuckowacky, the Merockes, Matinecock and Massapequas; the deed set no boundaries or compensation, a Dutch patent followed in November 1644, and the deed itself was not confirmed until July 4, 1657.[1]" ] }, { "id": "roads", "heading": "How the roads got here", "paragraphs": [ "Sunrise Highway, signed as New York State Route 27, runs through Seaford's commercial core as part of NYSDOT's continuous South Shore touring route \"to Valley Stream, Lynbrook, Rockville Centre, Freeport, Massapequa Park.\"[2] The Seaford-Oyster Bay Expressway begins in Seaford: NYSDOT's official description reads \"NY 135 (Merrick Road) Seaford, Bethpage, Syosset (NY 25) – Nassau County,\" meaning the state's own route description ties the road's southern end to Merrick Road in Seaford.[2] The state separately designates this road \"the Ralph J. Marino Expressway,\" describing it as \"NY 135 (Seaford-Oyster Bay Expressway): Seaford, Oyster Bay – Nassau County.\"[2]", "State ownership of land near the expressway's Sunrise Highway interchange became the subject of litigation in the 2000s over a cellular tower (see Law and legal history).[6]" ] }, { "id": "law", "heading": "Law and legal history", "paragraphs": [ "In Town of Hempstead v. State of New York, 42 A.D.3d 527, decided July 24, 2007, the Appellate Division considered a challenge to a cellular tower Crown Communication erected in November 2004 on \"State-owned property located within the Town near the intersection of the Seaford-Oyster Bay Expressway and the Sunrise Highway\" — that is, in Seaford.[6] The state Department of Transportation had notified the town of the plan in 2003 and issued a negative environmental declaration; neighbors objected that the 120-foot tower stood about 250 feet from residential homes.[6] The majority held the tower \"immune from local zoning laws\" under the balancing test of Matter of County of Monroe, reasoning that the public benefit of expanded cellular coverage in the area outweighed the local zoning interest; a dissent argued the tower should have been sited more than 500 feet from homes elsewhere on the same state parcel.[6]", "As elsewhere in the Town of Hempstead's unincorporated area, claims over defects in town-maintained streets and sidewalks in Seaford require prior written notice under section 6-1 or 6-3 of the Code of the Town of Hempstead, while Nassau County roads carry a parallel notice requirement under section 12-4.0(e) of the Nassau County Administrative Code.[7][8]" ] }, { "id": "government", "heading": "Government, courts and policing", "paragraphs": [ "Seaford is unincorporated and has no village government, but it is the physical headquarters of its own police precinct: the Nassau County Police Department's Seventh Precinct sits at 3636 Merrick Road in Seaford and states that it \"serves the communities of Merrick, Bellmore, Wantagh, North Wantagh, Seaford, Massapequa, North Massapequa, Massapequa Park and East Massapequa.\"[3][4]", "Misdemeanors, lesser offenses, felony arraignments and civil claims up to $15,000 from Seaford go to the Nassau County District Court at 99 Main Street, Hempstead; larger civil matters go to Nassau County Supreme Court in Mineola; non-criminal traffic and parking tickets go to the county's Traffic & Parking Violations Agency in Garden City.[9][10][11]" ] } ], "legalCases": [ { "name": "Town of Hempstead v. State of New York", "citation": "42 A.D.3d 527 (2007)", "court": "Appellate Division of the Supreme Court of the State of New York, Second Department", "year": 2007, "connection": "Concerned a 120-foot cellular tower built on state land in Seaford, at the Seaford-Oyster Bay Expressway/Sunrise Highway interchange.", "holding": "The court held the state-owned telecommunications tower immune from local zoning regulation under the governmental-immunity balancing test, finding the public benefit of expanded cellular coverage outweighed the town's zoning interest; a dissent would have required relocating the tower farther from nearby homes.", "src": [ 6 ] } ], "landmarks": [ { "name": "Washington Avenue Park", "designation": "Nassau County park at Jerusalem and Washington avenues, Seaford", "src": [ 12 ] } ], "notableFacts": [ { "text": "New York State's own touring-route description ties the southern end of the Seaford-Oyster Bay Expressway (NY 135) to Merrick Road in Seaford.", "src": [ 2 ] }, { "text": "The Seaford-Oyster Bay Expressway carries a second official name, the Ralph J. Marino Expressway.", "src": [ 2 ] }, { "text": "Nassau County's Seventh Precinct police station is physically located in Seaford, at 3636 Merrick Road, even though it also covers Merrick, Bellmore and Wantagh.", "src": [ 3, 4 ] }, { "text": "A 120-foot cellular tower built on state land in Seaford in 2004 was held immune from the Town of Hempstead's zoning law in a 2007 Appellate Division ruling.", "src": [ 6 ] } ], "sources": [ { "id": 1, "title": "History of the Town", "publisher": "Town of Hempstead (Town Clerk Archives)", "url": "https://hempsteadny.gov/475/History-of-the-Town", "year": "n.d.", "type": "government" }, { "id": 2, "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": 3, "title": "About Precinct (Seventh Precinct)", "publisher": "Nassau County Police Department", "url": "https://www.pdcn.org/282/About-Precinct", "year": "n.d.", "type": "government" }, { "id": 4, "title": "Nassau County Police Department Precincts (addresses and telephone numbers)", "publisher": "Nassau County Police Department", "url": "https://www.pdcn.org/383/NCPD-Precincts", "year": "n.d.", "type": "government" }, { "id": 5, "title": "Good Samaritan University Hospital", "publisher": "Catholic Health", "url": "https://www.catholichealthli.org/good-samaritan-university-hospital", "year": "n.d.", "type": "institution" }, { "id": 6, "title": "Town of Hempstead v. State of New York, 42 A.D.3d 527 (2007)", "publisher": "Caselaw Access Project, Harvard Law School Library", "url": "https://static.case.law/ad3d/42/html/0527-01.html", "year": "2007", "type": "court" }, { "id": 7, "title": "Cuzzo v. Town of Hempstead, 61 A.D.3d 921 (2009)", "publisher": "Caselaw Access Project, Harvard Law School Library", "url": "https://static.case.law/ad3d/61/html/0921-01.html", "year": "2009", "type": "court" }, { "id": 8, "title": "Cimino v. County of Nassau, 105 A.D.3d 883 (2013)", "publisher": "Caselaw Access Project, Harvard Law School Library", "url": "https://static.case.law/ad3d/105/html/0883-01.html", "year": "2013", "type": "court" }, { "id": 9, "title": "Nassau County District Court", "publisher": "New York State Unified Court System", "url": "https://www.nycourts.gov/courts/10th-jd-nassau/nassau-county-district-court", "year": "2026", "type": "court" }, { "id": 10, "title": "Nassau County Supreme Court", "publisher": "New York State Unified Court System", "url": "https://www.nycourts.gov/courts/10th-jd-nassau/nassau-county-supreme-court", "year": "2026", "type": "court" }, { "id": 11, "title": "Traffic & Parking Violations Agency", "publisher": "Nassau County", "url": "https://www.nassaucountyny.gov/1928/Traffic-Parking-Violations-Agency", "year": "2026", "type": "government" }, { "id": 12, "title": "Facility Details: Washington Avenue Park", "publisher": "Nassau County", "url": "https://www.nassaucountyny.gov/Facilities/Facility/Details/Washington-Avenue-Park-31", "year": "n.d.", "type": "government" }, { "id": 13, "title": "Mount Sinai South Nassau", "publisher": "Mount Sinai Health System", "url": "https://www.mountsinai.org/locations/south-nassau", "year": "n.d.", "type": "institution" }, { "id": 14, "title": "New York State Trauma Centers", "publisher": "New York State Department of Health", "url": "https://www.health.ny.gov/professionals/ems/state_trauma/trauma2.htm", "year": "n.d.", "type": "government" } ] }, "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." } } }