Everything You Should Know Before Moving to Knollwood Beach, NY
Considering a move to Knollwood Beach, NY? This charming waterside community has around 1,200 residents, offering a peaceful, tight-knit atmosphere with a high median home price of $735,000 and average rents near $2,400. Residents enjoy a low violent crime rate (56 per 100K), good schools, and a highly educated population—over 58% hold bachelor’s degrees or higher. With beautiful Long Island weather, excellent healthcare nearby, and a commute of about 39 minutes to regional job centers, Knollwood Beach is ideal for those seeking upscale coastal living.
Demographics - Knollwood Beach, NY
Demographics - Knollwood Beach, NY
Knollwood Beach is a close-knit community of about 1,200 residents, with a median age of 46 and a population density of 1,500 per square mile. The area is predominantly White, with nearly 11% speaking a language other than English at home, offering a peaceful and established atmosphere for new arrivals.
Population:
1,200
Density:
1,500 per sq mi
Median Age:
46.2
Gender Ratio:
97 males per 100 females
Non-English Speakers Percentage:
10.8%

Ethnic Composition
White:
88.0%
Black:
2.5%
Asian:
3.0%
Others:
6.5%
Cost Of Living
What is the average cost of living in Knollwood Beach, NY?
Living in Knollwood Beach comes at a premium, with a median house value of $735,000 and rents averaging $2,400 per month. The cost of living index stands at 158, reflecting higher-than-average expenses for housing, groceries, and utilities compared to national averages.
Median House Value:
$735,000
Gross Rent:
$2,400
Monthly Electricity Charges:
$170
Auto Insurance:
$2,050
House Owner Cost With Mortgage:
$3,350
House Owner Cost Without Mortgage:
$1,150
State Taxes:
Low:
4.0%
|
High:
10.9%
Cost Of Living Index:
158
Grocery:
142
Housing:
190
Utilities:
125
Transportation:
135
Health Care:
118
Miscellaneous:
115
Crime
Is Knollwood Beach, NY a safe place to live?
Knollwood Beach boasts a very low violent crime rate of only 56 incidents per 100,000 people, making it a safe place to live. Property crime is also relatively rare, with residents facing a 1 in 1,785 chance of violent crime annually.
Violent Crimes Per 100k:
56
Property Crimes Per 100k:
850
Crime Index:
906
Chance Of Violent Crime:
1 in 1,785
Chance Of Property Crime:
1 in 141
Weather
What is the weather like in Knollwood Beach, NY year-round?
Residents enjoy classic Long Island seasons, with summer highs reaching 83°F and winter lows dipping to 26°F. The area receives about 47 inches of rainfall annually and sees sunshine 54% of the year, providing a comfortable climate for outdoor activities.

Winter
Min:
26°F
Max:
38°F

Spring
Min:
44°F
Max:
65°F

Summer
Min:
64°F
Max:
83°F

Fall
Min:
48°F
Max:
68°F
Average Rainfall Inches:
47 inches
Sunny Days Percentage:
54%
Neighbors
The community is affluent and well-educated, with a median household income of $132,500 and nearly 97% of adults holding a high school diploma or higher. The poverty rate is low at 4%, and the average commute to work is about 39 minutes, reflecting a stable and prosperous local population.
Median Income:
$58,000
Household Income:
$132,500
Family Income:
$150,000
Per Capita Income:
$62,000
Income Male:
$72,000
Income Female:
$52,000
Poverty Rate:
4.0%
Non English Speakers:
10.8%
Rent:
$2,400
Unemployment Rate:
3.3%
Public Transport Usage:
5.5%
Commute Time:
39 minutes

Education
High School or Higher:
96.8%
Bachelors or More:
58.4%
Education
How are the schools in Knollwood Beach, NY?
Knollwood Beach is served by highly regarded public and private schools with low student-teacher ratios, supporting personalized attention for students. Nearby higher education institutions like LIU Post and SUNY Old Westbury are within easy driving distance, making lifelong learning accessible.

Public Schools
Name:
Bayville Intermediate School
Street:
50 Mountain Ave
Phone:
516-277-5400
Students:
380
Student Teacher Ratio:
11.5
Name:
Locust Valley High School
Street:
99 Horse Hollow Rd
Phone:
516-277-5100
Students:
650
Student Teacher Ratio:
10.8

Private Schools
Name:
East Woods School
Street:
31 Yellow Cote Rd, Oyster Bay
Phone:
516-922-4400
Students:
230

Colleges
Name:
LIU Post
City:
Brookville
State:
NY
Distance:
10 miles
Students:
5,200
Name:
SUNY Old Westbury
City:
Old Westbury
State:
NY
Distance:
14 miles
Students:
4,500
Healthcare
Knollwood Beach residents benefit from proximity to major healthcare facilities like Stony Brook University Hospital and Mather Hospital, both offering comprehensive services with emergency care. Health insurance coverage is high at 95%, and there are about 3.1 physicians per 1,000 residents, ensuring good access to medical care.

Major Hospitals
Name:
Stony Brook University Hospital
Address:
101 Nicolls Rd, Stony Brook, NY 11794
Phone:
(631) 444-4000
Type:
General & Surgical
Emergency Services:
Yes
Name:
Mather Hospital
Address:
75 N Country Rd, Port Jefferson, NY 11777
Phone:
(631) 473-1320
Type:
General & Surgical
Emergency Services:
Yes
Physicians Per 1000:
3.1
Health Insurance Coverage:
95.4%
Health Care Index:
78.2
Housing Market
What is the housing market like in Knollwood Beach, NY?
The local housing market is characterized by strong demand, with a median home price of $735,000 and an 82.5% owner-occupied rate. Home values have appreciated by over 6% in the past year, and rental vacancies remain low at 4%.
Median Home Price:
$735,000
Average Rent For 2 Bedroom:
$2,400
Owner Occupied Rate:
82.5%
Rental Vacancy Rate:
4.0%
Home Appreciation Rate (1yr):
6.3%
New Construction Rate:
1.1%
Foreclosure Rate:
0.3%
DMV Information
For vehicle registration and licensing, residents are served by the New York State Department of Motor Vehicles office in Commack, which offers comprehensive DMV services both in-person and online.
State:
New York
Department:
New York State Department of Motor Vehicles
Address:
250 Veterans Memorial Hwy, Commack, NY 11725
Phone:
1-718-477-4820
Website:
Disclaimer: The information provided on this page is based on publicly available sources including AccuWeather, U.S. Census Bureau, local government data, and third-party partners such as Neustar. While we strive to ensure accuracy, all data is provided “as is” and should be independently verified before making any decisions. Movers.com makes no guarantees regarding the completeness or reliability of the information.