I-495 Exit 62N Attraction Sign, 2000
Holtsville’s story
166 years in pictures
The archive holds 6 old photos and papers going back to 2000.
- 1860Holtsville is settled
HoltsvilleNY
7 bordering townsMap →
Photo: DanTD · CC BY-SA 4.0
Population
19,344
Census survey, 2020–24
Typical home
$657K
+6.6% in a year
Household income
$134K
median
Median age
38.9
years
Jobs based here
9,456
Balanced
Is Holtsville a good place to live?
Holtsville’s median rent is $2,342 a month, above both New York’s towns ($1,101 a month) and U.S. towns ($1,185 a month). Brookhaven Wildlife & Ecology Center, at 132 acres with 1.4 miles of trail, is the biggest park or preserve. We don’t grade Holtsville yet; the figures below are still real.
What makes Holtsville stand out
Where Holtsville beats most towns.
Nearby attractions
All 533 attractions →Nassau Veterans Memorial Coliseum and 82 more within 40 miles
Museums, parks, gardens and other places to visit around Holtsville. Close and well known come first.
29 mi Stadium & arenaNassau Veterans Memorial Coliseum
24 mi National Historic SiteSagamore Hill National Historic Site122K visitors a year
35 mi Stadium & arenaYale Bowl
29 mi State parkJones Beach State Park
34 mi MuseumGlass House
37 mi LandmarkOhelSources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits
Nassau Veterans Memorial Coliseum: iMatthew // talk //, Public domain · Sagamore Hill National Historic Site: Unknown, Public domain · Yale Bowl: Kenneth Zirkel, CC BY-SA 4.0 · Jones Beach State Park: Bjoertvedt, CC BY-SA 3.0 · Glass House: Carol M. Highsmith, Public domain · Ohel: משתמש:אבגד, CC BY-SA 2.5
Getting set up
Moving to Holtsville: who provides what
Holtsville is unincorporated, so Suffolk County and regional agencies provide most services.
PowerPSEG Long Island26.2¢/kWh · EIA 2025HIFLD · EIA
WaterSuffolk County Water AuthorityNo health-based violations in 5 years · EPAEPA
Internet3 providers99% of addresses get 100/20 MbpsFCC
Trash & county servicesSuffolk CountySuffolk County provides services here
Register to voteOnlineIn New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before).vote.govWho runs elections hereSuffolk County Board of ElectionsSuffolk County; contacts on the Handbook page.FVAP, Sep 2024
ZIP codes11742, 11741, 11779, 1176311742 67% · 11741 10% · 11779 9% · 11763 7%Census 2020
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
The data
Ordered by what stands out in Holtsville.
Natural hazards
Inland flooding leads a low hazard risk in Holtsville
Expected storm and flood damage is lower than in 78% of U.S. communities. Since 1979, 6 flood insurance claims have been paid out in Holtsville.
22risk score of 100
FEMA risk score
Inland floodingHurricanesEarthquakes
6
paid flood claims since 1979
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Housing
Homes in Holtsville are worth about $657K, by Zillow’s estimate
The typical Holtsville home is worth about $657,000, up 6.6% in a year, 25% above the New York typical home. 87% of households own their home in Holtsville, above both the New York town median (75%) and the median of U.S. towns (73%).
$657KZillow home value
Typical home value
Holtsville$657K
New York$525K
Market temperature
23
days on market
102.6%
sale-to-list price
+6.6%
value change, 1 year
14
homes sold in May
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Climate
Four seasons and pleasant summers in Holtsville
Holtsville has chilly, snowy winters and pleasant summers. July afternoons reach 83°, January nights drop to 23° and about 32 inches of snow falls in a winter.
32″snow a winter
Typical low → high °F
Winter26–42°
Spring40–59°
Summer63–81°
Fall46–65°
Nov 2
typical first frost
Apr 10
typical last frost
+2.3°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Work & commute
Most working residents commute out of Holtsville
Most working residents leave Holtsville for work: only 7% work in town. Holtsville’s median household income is $134,000. Since 2013, Holtsville has added 1,204 jobs, to 9,456 in 2023.
7%work in town
| Holtsville | New York towns | U.S. towns | |
|---|---|---|---|
| Median household income | $134,000 | $82,000 | $80,000 |
| Average trip to work | 33 minutes | 25 minutes | 25 minutes |
| Below the poverty line | 4.1% | 9.5% | 9.6% |
| Work from home | 9.1% | 12% | 11% |
Where working residents work
In Holtsville7%
Brookhaven28%
Islip20%
New York17%
Smithtown7%
12 mi
median commute distance
9,456
jobs based in Holtsville
Balanced
jobs vs. working residents
Census LEHD 2023 · ACS
Who lives here
More middle-aged adults than New York overall
Adults 35 to 64 are 44% of residents (39% statewide). 14% of Holtsville residents are 65 or older. 35% of adults 25 and older have a bachelor’s degree or more, vs 40% across New York.
38.9median age · NY 39.8
| Holtsville | New York towns | U.S. towns | |
|---|---|---|---|
| Aged 65 or older | 14% | 20% | 18% |
| Median age | 38.9 years | 43 years | 40.5 years |
| Bachelor’s degree or more, 25+ | 35% | 32% | 29% |
| Under 18 | 21% | 20% | 22% |
HoltsvilleNew YorkUnited States
Ages · share of residents
16%
Education · adults 25 and older
No diploma11%
High school27%
Some college17%
Associate’s11%
Bachelor’s19%
Graduate16%
Women and men · all residents
50% women, 50% men
That’s an even split within the survey’s margin of ±1 point. Across New York, 51.2% of residents are women. Among residents 65 to 74, 57% are men (NY 47%). Median age: women 39.4, men 38.6.
| Holtsville | NY | U.S. | |
|---|---|---|---|
| Under 10 | 11.8% | 11% | 11.6% |
| 10 to 17 | 9.5% | 9.5% | 10.3% |
| 18 to 24 | 8.6% | 8.9% | 9.1% |
| 25 to 34 | 11.8% | 14.2% | 13.7% |
| 35 to 44 | 15.8% | 13% | 13.2% |
| 45 to 54 | 14.3% | 12.2% | 12.2% |
| 55 to 64 | 13.9% | 13.3% | 12.7% |
| 65 to 74 | 9.4% | 10.3% | 10.2% |
| 75 and older | 5% | 7.6% | 7% |
| No diploma | 10.9% | 12% | 10.4% |
| High school | 26.5% | 24.3% | 26% |
| Some college | 16.6% | 14.6% | 19.1% |
| Associate’s | 11.1% | 8.8% | 8.8% |
| Bachelor’s | 18.8% | 22.4% | 21.6% |
| Graduate | 16% | 17.9% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates
Health
How healthy Holtsville is
Holtsville beats the New York average on 11 of 32 CDC measures and trails it on 0. 17% of adults have been diagnosed with depression in Holtsville.
| Holtsville | New York towns | U.S. towns | |
|---|---|---|---|
| Depression (CDC PLACES) | 17% | 21% | 23% |
| High blood pressure (CDC PLACES) | 30% | 34% | 35% |
| Obesity (CDC PLACES) | 29% | 33% | 35% |
| Smoke cigarettes (CDC PLACES) | 11% | 13% | 14% |
32 measures vs. New York
11 better21 too close to call0 worse
| What stands out | Holtsville | NY |
|---|---|---|
| Fewer adults facing food insecurity | 11.9% | 17.2% |
| Fewer adults facing a utility shut-off | 5.8% | 8.2% |
Long Island Community Hospital
4.1 mi away · emergency room
None
primary care, dental or mental-health shortage
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Outdoors
Holtsville has set aside 3% of its land for conservation
3.0 miles of trail in 5 parks and preserves.
3%conserved
| Holtsville | New York towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 3% | 5.2% | 4.3% |
| Miles of trail per square mile | 0.4 miles per square mile | 0.4 | 0.4 |
3%
conserved · 136 of 4,523 acres
3.0 mi
of trails · 0.4 per sq mi
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Brookhaven Wildlife & Ecology Center | 1.4 mi | 132 |
| 2. Suffolk County Police Athletic League Sport Complex | 0.2 mi | 39 |
| 3. Morris Ave Park | 0.1 mi | 10 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Keep exploring
Everything we know about Holtsville
17pages on Holtsville
The big questions
Out and about
After high school
Colleges nearby
2 within 15 miles of the center of Holtsville
Suffolk County Community CollegeCommunity college · Public · Selden2.6 mi$6,630 in-state tuitionStony Brook UniversityUniversity or college · Public · Stony Brook8.1 mi$10,931 in-state tuition
About 6 of every 100 Holtsville residents are enrolled in college, about the same as New York.
About Holtsville
Hamlet and census-designated place in New York, United States
Holtsville is a hamlet and census-designated place (CDP) in Suffolk County, on Long Island, in New York, United States. As of the 2020 census, Holtsville had a population of 18,937. The hamlet is mainly in the Town of Brookhaven, while the southwestern portion is in the Town of Islip. An IRS Processing Center is located in Holtsville, along with NYPA's Richard M. Flynn Power Plant.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 7.1 sq mi
- Elevation
- 105 ft
- ZIP code
- 00501, 00544, 11742
Holtsville’s neighbors
7 towns share a border with Holtsville.
North PatchogueHolbrookFarmingvilleMedfordCentereachBrookhavenIslipHoltsville
How the neighbors grade
| Town | NY rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Holtsville | — | — | — | — | — | — |
| North Patchogue | — | — | — | — | — | — |
| Holbrook | — | — | — | — | — | — |
| Farmingville | — | — | — | — | — | — |
| Medford | — | — | — | — | — | — |
| Centereach | — | — | — | — | — | — |
| Brookhaven | #295 | B | D− | — | B | A− |
| Islip | #178 | A− | D− | — | A− | A− |
Brookhaven and Islip report no FBI crime data of their own. Holtsville, North Patchogue, Holbrook, Farmingville, Medford and Centereach aren’t graded (fewer than 1,000 residents, or not enough data). Compare Holtsville with a neighbor →
Questions about Holtsville
Short answers, built from the data on this page.
Is Holtsville, NY a good place to live?
We don’t grade Holtsville yet; the figures below are still real.
What is Holtsville, NY known for?
2 notable people were born here, including Justin Bonsignore and Stephen Turnbull.