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 and 5 maps from 1902 on.
- 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
Settled
1860
166 years ago
Is Holtsville a good place to live?
Holtsville’s rent at the middle of the market 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.
The data
Ordered by what stands out in Holtsville.
Natural hazards
Natural hazards: low risk in Holtsville, mostly inland flooding
22risk score of 100
For Holtsville, the natural-hazard score from FEMA is 22 of 100. The national flood insurance program has paid 6 claims locally since 1979. FEMA puts 71% of the town’s expected hazard losses down to inland flooding, and 11% to hurricanes.
FEMA risk score
Inland floodingHurricanesEarthquakes
6
paid flood claims since 1979
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Housing
The typical home in Holtsville: about $657K
$657KZillow home value
A home in Holtsville typically sold within 28 days of listing. In the year to September 2026, typical home values climbed 6.6%. 87% of households live in a home they own locally.
Typical home value
Holtsville$657K
New York$525K
Market temperature
28
days on market
105.4%
sale-to-list price
+6.6%
value change, 1 year
20
homes sold in September
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Climate
Expect four seasons and pleasant summers in Holtsville
32″snow a winter
The July high for Holtsville comes to 83°F.
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 people working in Holtsville commute elsewhere
7%work in town
The top destinations are Brookhaven (28%), Islip (20%) and New York (17%). Most people who work leave Holtsville to do it: just 7% work in town. Since 2013, Holtsville has added 1,204 jobs, to 9,456 in 2023. For Holtsville, the median household income is $134,000.
| 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
38.9median age · NY 39.8
Holtsville’s median age is 38.9 years. Adults 35 to 64 are 44% of residents (39% statewide). Among residents locally, 14% are 65 or older. Here, just over a third of adults 25 and older have a bachelor’s degree, against 40% in New York as a whole.
| 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
For adults in Holtsville, the share who report frequent physical distress is 12%. Two figures for adults locally: 30% have high blood pressure, 29% have obesity.
| 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%conserved
Count the trails in 5 parks and preserves and they come to 3.0 miles. The trail density in Holtsville is 0.4 miles per square mile.
| 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
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.
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.
Holtsville is in here
Say something about Holtsville.
Ask a question, answer one, post a photo or an event. Free, and the parts only a neighbor would know are the parts worth reading.