Hauppauge, NY — Crash Data, Roads, History & Law
Hauppauge is an unincorporated hamlet in the Town of Islip, Suffolk County, New York, with 20,083 residents at the 2020 Census. Federal crash records show 28 fatal crashes that killed 28 people within its boundaries from 2010 through 2024 — 5 of them on foot. Nesconset Highway (NY 347) accounted for more of those deaths (6) than any other road. Residents who commute travel an average of 29.4 minutes each way.
Long Island Town Fact Book · Updated · Sources & method
Hauppauge at a glance
- Status
- Hamlet (unincorporated; census-designated place)
- Towns
- Smithtown (52% of area), Islip (48% of area)
- County
- Suffolk County
- Population (2020 Census)
- 20,083[C]
- Housing units (2020)
- 7,384
- Land area
- 10.21 sq mi
- Density
- 1,968 people per sq mi
- Average commute
- 29.4 minutes[B]
- Traffic deaths, 2010–2024
- 28[A]
- ZIP Code
- 11788
- Legal status
- Unincorporated hamlet tabulated as a single Hauppauge CDP by the Census Bureau (GEOID 3632732); commonly described as straddling the Town of Smithtown and the Town of Islip, though this page could not independently confirm the town-line split[2]
- Police
- Suffolk County Police Department, Fourth Precinct, 727 Veterans Mem. Hwy, Smithtown, NY 11787[4]
- State highways
- NY 454 (Veterans Memorial Highway), running Commack–Hauppauge–west of Patchogue; NY 111 (Hauppauge Road), running to the Smithtown Branch at NY 25/25A[5]
- Census geography
- Hauppauge CDP · GEOID 3632732 · GNIS 2389910
- Coordinates
- 40.8224°N, 73.2108°W
Hamlets in New York have no legal boundary or government of their own. Figures here use the Census Bureau's census-designated place, the standard statistical outline for the community; local usage of the name can be wider or narrower.
Fatal crashes in Hauppauge, 2010–2024
From January 1, 2010 through December 31, 2024, 28 people died in 28 crashes on public roads inside Hauppauge, according to the federal Fatality Analysis Reporting System.[A] Pedestrians account for 5 of those deaths (18%). The deadliest year was 2010, with 4 deaths.
- Fatal crashes
- 28
- People killed
- 28
- Pedestrians
- 5
- Bicyclists
- 0
- Motorcyclists
- 1
- Vehicle occupants
- 22
2024 figures come from NHTSA's Annual Report File and may be revised.
View the chart as a table
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2010 | 4 | 4 |
| 2011 | 3 | 3 |
| 2012 | 4 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
Roads where people died
| Road | Crashes | Deaths |
|---|---|---|
| Nesconset Highway (NY 347) | 6 | 6 |
| Veterans Memorial Highway (NY 454) | 5 | 5 |
| Long Island Expressway service road (Express Drive) | 4 | 4 |
| Motor Pkwy (CR 67) | 3 | 3 |
| Long Island Expressway (I-495) | 2 | 2 |
| Motor Parkway (CR 67) | 1 | 1 |
| Terry Rd | 1 | 1 |
| Route 111 | 1 | 1 |
Road names as recorded by police and normalised to common Long Island names.
When and where
- Of the 28 crashes with a recorded time, 17 happened between 8 p.m. and 6 a.m., 6 between 4 and 8 p.m., 3 between 10 a.m. and 4 p.m., and 2 between 6 and 10 a.m.
- 64% happened in darkness.
- 3 of the 28 deaths were on expressways or parkways; 25 were on arterials and local streets.
- In at least 6 crashes, a driver had a reported blood-alcohol concentration of .08 or higher. This counts known test results only; NHTSA's official alcohol estimates, which impute untested drivers, are higher.
Who owns the roads where they happened (2015–2024)
FARS has recorded the owner of the roadway since 2015. Of the 13 fatal crashes in Hauppauge since then:
- State highways 8 (62%)
- Town roads 3 (23%)
- County roads 1 (8%)
- City or village streets 1 (8%)
Ownership matters in New York because claims against a county, town, city or village generally require a notice of claim within 90 days (General Municipal Law § 50-e), while claims against the State are brought in the Court of Claims under Court of Claims Act § 10. This is general information, not legal advice.
Rate: 9.3 traffic deaths per 100,000 residents per year, against 9.1 for Suffolk County. This is a resident-based rate, not a measure of how risky the roads are to drive: crashes are counted where they happen, not where the people involved live, so a small community crossed by a major highway shows a high rate.
The 15 most recent fatal crashes
| Date | Time | Road | Deaths | Who died | Light |
|---|---|---|---|---|---|
| 8 a.m. | Long Island Expressway service road (Express Drive) at Motor Pkwy (CR 67) | 1 | Vehicle occupant | daylight | |
| 3 a.m. | Long Island Expressway (I-495) | 1 | Vehicle occupant | dark | |
| 5 a.m. | Motor Parkway (CR 67) at Wheeler Rd (CR 17) | 1 | Vehicle occupant | dawn | |
| 1 a.m. | Nesconset Highway (NY 347) at Brooksite Dr | 1 | Vehicle occupant | dark | |
| 2 p.m. | Terry Rd at Hauppauge Rd | 1 | Vehicle occupant | daylight | |
| 4 a.m. | Route 111 | 1 | Vehicle occupant | dark | |
| 12 p.m. | Nesconset Highway (NY 347) at Route 111 | 1 | Vehicle occupant | daylight | |
| 3 a.m. | Long Island Expressway service road (Express Drive) at Route 111 | 1 | Vehicle occupant | dark | |
| 6 p.m. | Motor Pkwy (CR 67) | 1 | Vehicle occupant | dark | |
| 9 p.m. | Nesconset Highway (NY 347) at Route 111 | 1 | Vehicle occupant | dark | |
| 11 p.m. | Motor Pkwy (CR 67) at Valray Blvd | 1 | Vehicle occupant | dark | |
| 9 p.m. | Veterans Memorial Highway (NY 454) | 1 | Pedestrian | dark | |
| 4 p.m. | Long Island Expressway (I-495) | 1 | Vehicle occupant | daylight | |
| 8 p.m. | Veterans Memorial Highway (NY 454) at Route 111 | 1 | Vehicle occupant | dark | |
| 2 a.m. | Nesconset Highway (NY 347) at Route 111 | 1 | Vehicle occupant | dark |
FARS contains no names or personal identifiers. * 2024 records are preliminary. Download all 28 records (CSV) · How this was compiled
Recent Hauppauge Incident Reports
Serious Crash Shuts All Westbound Lanes of Route 347 in Hauppauge
Serious Crash Shuts All Westbound Lanes of Route 347 in Hauppauge. September 17, 2026.
Brentwood Driver Charged After Illegal Turn Triggers 3-Car Crash on Route 347 in Hauppauge
Brentwood Driver Charged After Illegal Turn Triggers 3-Car Crash on Route 347. September 6, 2026.
68-Year-Old Lake Grove Woman Seriously Hurt in Hauppauge Route 347 Crash
68-Year-Old Lake Grove Woman Seriously Hurt in Hauppauge Route 347 Crash. September 5, 2026.
Marta Pineda of Hauppauge Causes Three-Car Crash on Route 347 at Route 111, Injuring Woman Seriously
Multi-Vehicle Crash Shuts Down Route 347 at Route 111 in Hauppauge Saturday Morning
Hauppauge Man Charged in Bottle Attack on 73-Year-Old at Route 111 Bolla Market
Updated continuously from 511NY, NYSP, NCPD, and SCPD feeds — all Long Island reports.
All reported crashes in the Town of Islip, 2021–2024
New York's crash file codes each crash to a town, city or village — never to a hamlet — so the finest official count that covers Hauppauge is for the Town of Islip, which contains it. Police reported 35,004 crashes there from 2021 through 2024 — about 24 a day. 10,222 (29.2%) injured someone and 128 were fatal. [D]
| 2021 | 2022 | 2023 | 2024 | Total |
|---|---|---|---|---|
| 8,654 | 8,292 | 8,881 | 9,177 | 35,004 |
- Injury crashes
- 10,222
- Fatal crashes
- 128
- Struck a pedestrian
- 422
- Struck a bicyclist
- 335
- Struck a deer
- 91
Counts are crashes, not people. The municipality is entered by the reporting police agency, and coding is less consistent for small villages, so compare places with care.
How Hauppauge gets to work
Hauppauge commuters travel an average of 29.4 minutes each way, 1.7 minutes shorter than the Suffolk County average (the national average is 26.4 minutes). About 74.9% of workers drive alone, and 4% ride the railroad. [B]
| Measure | Hauppauge | Suffolk County | New York State | United States |
|---|---|---|---|---|
| Average one-way commute | 29.4 min ±3.3 | 31.1 min | 32.6 min | 26.4 min |
| Commute 60 minutes or longer | 13.3% ±2.2 | 14.1% | 16.8% | 8.6% |
| Commute under 15 minutes | 24.1% ±4 | 22.8% | 20.5% | 26% |
| Drive alone | 74.9% ±3 | 72.1% | 48.8% | 68.8% |
| Carpool | 5.6% ±1.5 | 7.5% | 6.3% | 8.5% |
| Commuter rail (LIRR) | 4% ±1.1 | 3.2% | 1.8% | 0.3% |
| Bus | 0.5% ±0.4 † | 0.6% | 5.1% | 1.5% |
| Walk | 0.2% ±0.2 † | 1.4% | 5.6% | 2.4% |
| Work from home | 13.2% ±2.4 | 12% | 14.9% | 15.1% |
| Leave home before 6 a.m. | 8% ±2 | 12% | 10.6% | 14.4% |
| Households with no vehicle | 2.1% ±0.9 | 5.1% | 29.2% | 8.4% |
| Households with three or more vehicles | 28.9% ±3.6 | 28.8% | 11.8% | 21.9% |
Survey estimates for 10,685 workers aged 16 and over; ± values are 90% margins of error. † Small sample — the margin of error is large relative to the estimate, so treat the figure as indicative only. Travel-time rows exclude people who work from home.
Notable facts about Hauppauge
- The Suffolk County Police Department's Fourth Precinct, commonly cited at a Hauppauge address, is actually addressed 727 Veterans Mem. Hwy, Smithtown, NY 11787.[4]
- NY 454, Veterans Memorial Highway, is described by New York State's own touring-route list as running from NY 25 through Commack and Hauppauge to west of Patchogue at NY 27.[5]
- The Long Island Motor Parkway, the private toll road William K. Vanderbilt II built after a fatal 1906 race, was, per a 1998 Newsday retrospective, "the first highway designed exclusively for automobiles" in the country.[7]
History
The hamlet is tabulated by the Census Bureau as a single Hauppauge census-designated place covering 10.206 square miles of land, and is commonly described as straddling the Town of Smithtown and the Town of Islip, though this page could not independently confirm the town-line split with a mapped source.[2]
Hauppauge is the seat of much of Suffolk County's day-to-day government: the H. Lee Dennison Building, the county's main office building, stands at 100 Veterans Memorial Hwy, Hauppauge, NY 11788, alongside a separate Riverhead County Center listed on the same county website.[3]
How the roads got here
NY 454, known locally as Veterans Memorial Highway, is described in NYSDOT's own touring-route list as running "(NY 25) Commack, Hauppauge, west of Patchogue (NY 27) – Suffolk County," placing Hauppauge directly on its route.[5]
The Long Island Motor Parkway, built by William K. Vanderbilt II after a spectator was killed at the 1906 Vanderbilt Cup Race forced the races off public roads, opened as what a 1998 Newsday retrospective calls "the first concrete highway in the United States" and "the first highway designed exclusively for automobiles," using overpasses and bridges to eliminate grade crossings.[7]
Government, courts and policing
The Suffolk County Police Department's Fourth Precinct is located at 727 Veterans Mem. Hwy, Smithtown, NY 11787, per the department's own contact listing — an address in Smithtown proper, not the 158 Veterans Memorial Hwy, Hauppauge address commonly repeated for it.[4]
Suffolk County's own government center — the H. Lee Dennison Building at 100 Veterans Memorial Hwy — sits in Hauppauge, though the county's website also lists a Riverhead County Center, so Hauppauge functions as a major seat of county administration alongside, rather than instead of, Riverhead.[3]
Landmarks and listed places
- H. Lee Dennison Building — Suffolk County's main county office building; no historic-register listing verified[3]
Hauppauge timeline
- Long Island Motor Parkway opens. The Long Island Motor Parkway — built after a spectator was killed at the 1906 Vanderbilt Cup race forced William K. Vanderbilt II to establish a private road — opened as, in Newsday's words, "the first concrete highway in the United States" and "the first highway designed exclusively for automobiles."[7]
Major roads in Hauppauge
| Road | Route | Maintained by | In Hauppauge |
|---|---|---|---|
| Veterans Memorial Highway [5] | NY 454 | New York State | runs through |
Emergency Resources
Hospitals
- St. Catherine of Siena Medical Center — 50 Route 25A, Smithtown, NY 11787 — (631) 862-3000
Police
- SCPD 4th Precinct — 158 Veterans Memorial Hwy, Hauppauge, NY 11788 | (631) 854-8400
Courts
- Suffolk County District Court — 400 Carleton Ave, Central Islip, NY 11722 | (631) 853-7500
- Smithtown Town Justice Court — 80 Main St, Smithtown, NY 11787 | (631) 360-7595
- Suffolk County Supreme Court — 1 Court St, Riverhead, NY 11901 | (631) 852-2332
Local Driver Services in Hauppauge
Practical resources for Hauppauge drivers — tire shops, gas prices, and live traffic conditions.
Safety Resources
Frequently Asked Questions
What should I do after a car accident in Hauppauge, NY?
Call 911 immediately. SCPD's 4th Precinct, which is headquartered in Hauppauge, will respond. Document the scene with photos, exchange insurance information, and gather witness details. File a police report and notify your insurer promptly under New York's no-fault law.
Which roads are most dangerous in Hauppauge?
The LIE through Hauppauge at Exit 55 (Motor Parkway) and Exit 57 (Veterans Memorial Highway) sees frequent collisions. Veterans Memorial Highway carries heavy commercial traffic from the Hauppauge Industrial Park and has multiple high-crash intersections. Route 111 (Hauppauge Road) handles significant north-south commuter volumes.
Where is the nearest hospital to Hauppauge?
St. Catherine of Siena Medical Center in Smithtown is the closest emergency facility, approximately ten minutes north via Route 111. Stony Brook University Hospital, a Level I trauma center, is accessible via the LIE and provides the region's most advanced emergency and trauma services.
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Data: machine-readable fact sheet (JSON) · fatal-crash records (CSV) · methodology and limits
References
Datasets
- [A] National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), 2010–2024 national files. Retrieved September 17, 2026.Crashes on public trafficways in which a person died within 30 days. No personal identifiers. Placed by reported coordinates into 2020 Census boundaries.
- [B] U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates, tables B08303, B08013, B08301, B08302, B08201, B19013, B01002. Retrieved September 17, 2026.Survey estimates with 90% margins of error. lowReliability = coefficient of variation above 30%.
- [C] U.S. Census Bureau, TIGERweb — 2020 Census tabulation geography (POP100, HU100, AREALAND). Retrieved September 17, 2026.
- [D] New York State Department of Motor Vehicles, Motor Vehicle Crashes — Case Information: Four Year Window. Retrieved September 17, 2026.Police-reported crashes coded to a town, city or village by the reporting agency. Hamlets are not coded; hamlet pages show the parent town.
Sources for history, roads and law
- [2] U.S. Census Bureau. 2020 U.S. Gazetteer Files: Places, New York (2020_gaz_place_36.txt) (2020). Government record.
- [3] Suffolk County Government. Suffolk County Government (homepage / contact) (2026). Government record.
- [4] Suffolk County Police Department. Contact Us (2026). Government record.
- [5] New York State Department of Transportation. Official Description of Highway Touring Routes ... in New York State (NY 454 entry) (2017). Government record.
- [7] Newsday (lihistory.com retrospective series). The Age of the Auto: Sportsman William K. Vanderbilt II's cup race paves the way (1998). News report.
- [11] Catholic Health Long Island. Locations across Long Island (location listing including Siena Women's Health Outpatient Diagnostic Pavilion, 50 Route 25A, Smithtown) (2026). Institution.
Sources opened and checked September 17, 2026.